Professor Jagannathan Sankar

Director and PI - NSF/CREST – Center for Advanced Materials and Smart Structures (CAMSS)


Professor of Mechanical Engineering
North Carolina A & T State University, Greensboro, NC 27411

NC Interinstitutional Adjunct Faculty,
Materials Engineering, North Carolina State University, Raleigh, NC.
PH: (336) 334-7620 ext. 319
FAX: (336) 334-7417
e-mail: sankar@ncat.edu

EDUCATION:

Ph.D, Materials Engineering, Lehigh University, 1983
M.S., Materials Engineering, McGill-Concordia Co-op Program, 1978
B.E., Metallurgical Engineering, University of Madras (Distinguished Record), 1976

SPECIALIZATION:

Composite and Ceramic Materials, Novel and Engineered Advanced Materials and Composites, Structure-Property Relationships, Electron Microscopy, Materials Processing, Fracture Mechanics.

NUMBER OF YEARS SERVICE AT NC A&T SU:

Seventeen (18)
Original appointment as Assistant Professor – 1983
Promoted to Associate Professor – 1988
Promoted to Full Professor - 1994
(Graduate Program Co-ordinator of the Mechanical engineering Department 1985- 1998)

OTHER RELATED EXPERIENCE:

Concordia University Teaching Fellowship, Jan/77 - July/78
Research Associate Fellowship from the National Research Council of Canada, April/78- Aug/78.
Pressure Vessel Research Committee/Welding Research Council; Graduate Assistantship; Jan/79-Dec/82.
Lehigh University Teaching Assistant and instructor; Jan/80- May/82.
Consultant to Fusion Energy Program; Oak Ridge National Laboratory; TN; 1983 to1985.
Materials Consultant for Concordia Computer Aided Vehicle Engineering, CONCAVE Research Center, Concordia University, Canada,
Various Product reliability problems (various companies, insurance,etc)

AFFILIATIONS WITH SCIENTIFIC AND PROFESSIONAL SOCIETIES:

Member, The Materials Research Society (MRS)
Member, The American Society for Engineering education (ASEE)
Member, American Society of Mechanical Engineers (ASME).
Member, American Society of Materials International (ASM).
Member, The Metals Society (TMS).
Member, American Ceramic Society (AcerS).
Member, Tau Beta Pi and 
Member, Sigma Xi.
 
PROFESSIONAL ACTIVITIES:

Lead Guest Editor:

Composites Part B Engineering Journal (formerly Journal of Composites Engineering), Elsevier Publication Special Journal issue on "Interdisciplinary Approach to Smart Composites Structures and Materials" Volume 30B Dec. 1999.

Lead Technical Co-Chair and
organizer of Govt. Plenary Workshop( A major one day event)

ICCE/5 Fifth International Conference on Composites Engineering, Las Vegas,
July 5 – 11, 1998
ICCE/6 Sixth International Conference on Composites Engineering, Orlando,
June 27 – July 3, 1999
ICCC/7 Seventh International Conference on Composites Engineering, Denver, July 2nd - 8, 2000.
ICCE/8 Eigth International Conference on Composites Engineering, Tenerife, Spain, Aug4-11, 2001

Conference Chairman:

Science and Technology Alliance/Materials Conference ‘93, Department of Energy Sponsorship, Greensboro, NC, 1993.

Symposium Organizer:

1997 Joint ASME/ASCE/SES Summer Meeting, “Processing, Characterization and Modeling of High Temperature Monolithic and Composite Materials.”


International Advisory Board 


International Composites meeting - Composites in the Transportation Industry – Sydney, Australia, ACUN-2, Feb 14 - 18, 2000
International Composites meeting – Technology Convergence in Composites Applications – Sydney, Australia, ACUN-3, Feb 6 - 9, 2001
ICCE/5 Fifth International Conference on Composites Engineering, Las Vegas, July 5 – 11, 1998
ICCE/6 Sixth International Conference on Composites Engineering, Orlando,
June 27 – July 3, 1999
ICCC/7 Seventh International Conference on Composites Engineering, Denver, July 2nd - 8, 2000.
ICCE/8 Eigth International Conference on Composites Engineering, Tenerife, Spain, Aug4-11, 2001

Organizing Committee:

First Canadian International Composite Conference and Exhibition, Canada, 1991.

Technical Program Committee:

Canadian Society for Mechanical Engineering Forum, 1992: “Transport, 1992+,” Canada, 1992.

Session Chairman:

Session on Ceramic Matrix Composites, First Canadian International Composite Conference and Exhibition, Canada, 1991.
Canadian Society of Mechanical Engineers, CSME Forum
American Society for Materials International, Annual meeting, 1997
ICCE/5- International conference
ICCE/6- International conference
ICCE/7- International conference
ICCE/8- International conference
International Composites meeting - Composites in the Transportation Industry – Sydney, Australia, ACUN-2, Feb 14 - 18, 2000
Department of Energy, Science &Technology Aliance Materials Conference '93

Editor of Conference Proceedings:

Proceedings of the Science and Technology Alliance - Materials Conference ‘93, Technomic Publication, PA 1995. (447 pages)

Reviewer:

American Society for Testing Materials “Fractography of Modem Engineering Materials”, ASTM-STP 948.
American Society for Testing Materials “Life Prediction Methodologies and Data for Ceramic Materials”. ASTM-STP 1201.
First Canadian International Composite Conference, 1991.
CSME Forum, “Transport 1992”, Canada, 1992.
17th, 18th Annual Cocoa Beach Conference, Ceramic Science and Engineering,
NIST internal papers
ASME International Correspondence Course on Material Science.
Journal of Materials Engineering and Performance, ASM
Journal of Composites Technology and Research.
Composites Part 'B' Engineering Journal.
ACUN-2 International Conference: Composites in the Transportation Industry, UNSW, Sydney, Australia, Feb 2000.
International Composites meeting – Technology Convergence in Composites Applications – Sydney, Australia, ACUN-3, Feb 6 - 9, 2001
ICCE/5, ICCE/6, ICCE/7 and ICCE/8 (abstracts)

Invited Lecture/Seminar and
Plenary Talks

Numerous Nationally and Internationally in Government Labs, Universities, Technical Societies, Industries, and other organizations.

PLENARY TALK:
ACUN-2- International Composites meeting - Composites in the Transportation Industry - Feb 14 - 18, 2000, University of New South Wales, Sydney Australia.
19th All India Manufacturing Technology, Design and Research Conference,
December 14-17, 2000, Indian Institute of Technology, Madras, India.
ACUN-3- International Composites meeting - Technology Convergence in Composites Applications, Feb 6 -9, 2001, University of New South Wales, Sydney Australia. 

Graduate Students:

(Year of graduation in parenthesis) Bold Denotes Chair;Otherwise Co-Advisor

Ph.D Students:

Krishnan R. Vaidyanathan (1992), Suneeta Shamana Neogi (1998), Qiuming Wei (1998), Christopher Grace (1998), Pramod Chaphalkar (1999), Larry Russell (2000), Jerry Lang (2001),  Zhigang Xu (2002), Jayant Neogi (2002), Ann Fletcher (2002), Cindy Waters(2003)

MSME Students:

Peter Wang (1985), Peter Chander (1986), K. Ranji Vaidyanathan (1988), K. Kpeglo (1988), A. Sinha (1988), J. Lang, (1990), Gao Jun (1991), B. Zhaoshan (1991), Dwight Squire (1992), S. Krishnaraj (1993), Marvin Dixie (1993), Bo Wang (1994), Jayant Neogi (1994), Ling Zhao (1994), Sudarsan Srinivasan (1996), William Windley (1999), Gautam Choudhury (1999), Thomas Rawdanowicz (1999) Horace Dukes (2000), Abhjit Duraphe (2000), Rommel Simpson (2000), Varun Rao (2001), Eric Jones (2001), Maurice Heath (2001), Donald Sweeper (2001), Sudhir Neralla (2002), Y. Acharya (2001), Balasubramanyan (2002)

Post-doctoral/ Research Scientists Sponsored (past)

Post-doctoral/ Research Scientists Sponsored (present))

Dr. R. Vaidyanathan, Dr. K. Dovidenko, Dr. Vijay Gobole, Dr. A.K. Sharma,



Dr. S. Yarmolenko, Dr. Q.Wei, Dr. S. Chattopadhyay, Dr. D. Kumar, and Mr. Ron Bolick



OTHER SELECTED ACCOMPLISHMENTS:

Interinstitutional Adjunct Faculty : Dept. of Materials Science and Engineering; North  Carolina  State University; Raleigh, NC; 1990 onwards.
Graduate Program Director, Mechanical Engineering, NC A&T State University, 1985 – 1998
Initiated and now Charter Advisor, The American Society for Materials International- Student chapter  (1st in NC), 2001.

Initiated and completed Memorandum of Understanding

Between NC A&T State University (Chancellor James Renick) and University of New Orleans (Chancellor Greg O'Brien).
Between NC A&T State University (Chancellor James Renick) and Northwestern Polytechnical University, Xian, People's Republic of China
(President Dai Guanzhong).
From NC State University (Chancellor Marye Anne Fox) to NC A&T State University (Chancellor James Renick) Special Memorandum to take courses at NC State University for NSF-CAMSS students at no charge as part of this new Center partnership
Educational Partnership Agreement Between Naval Undersea Warfare Center, NUWC (Rear Admiral C.B Young, U.S Navy) and NC A&T State University (Chancellor James Renick)

1994 Teachers Excellence award by the ME graduating students and consistent high score in students performance evaluations in all years (Highest Score in the College of engineering in 1999)
Selected as a participating faculty member in the National Center for Composite Materials Research; University of Illinois, Urbana, Champaign; 1987.
Who is Who in the Microelectronic Center of North Carolina (MCNC), World of Ceramics,
  Technology to-day, International Directory of Distinguished Leadership, the 1st Edition of the Advanced Engineering Materials Research Profile Directory
Board of Director, Member-at-Large American Society for Metals International (ASM)- Carolina Piedmont  Triad Chapter, NC.
Proficiency Prize, University of Madras, 1976.
Jawaharlal Nehru Memorial Award for Academic Achievement and Honor, University of Madras, 1976.
One of ten (10) people selected from different U. S. Universities to receive a scholarship grant and to attend ‘all expense’ paid Alloy Rods/Allegheney Ludlum Industries, Inc., Special Seminar “Weld Tech 8O”; Hanover, PA; 1980.


INSTITUTIONAL SERVICE

Director, National Science Foundation-Center for Advanced Materials and Smart Structures
Graduate Program Director, Mechanical Engineering, NC A&T State University, till 1998
Numerous Committees at all levels (example; Chair of Promotion, Tenure in College of Engineering (twice at different terms), Dean selection, Ph.D and Co-op Ph.D Program development for NC A&T SU, and other various Ad hoc committees at all levels).
Numerous presentations and meetings on behalf of the university and CoE’s materials research activities for visitors.(USA and abroad)



.
PUBLICATIONS
(This list includes all peer reviewed articles, proceedings, and major published report articles )

  1. J. Sankar, D. Hawkins and H. J. McQueen, “Behavior of Low-Carbon and HSLA Steels During Torsion-Simulated Continuous and Interrupted Hot Rolling Practice”, Journal of Metals Technology, 6, 325-331,1979.
  2. H.J. McQueen, J. Sankar and S. Fulop, “Fracture Under Hot Forming Conditions”, Mechanical Behavior of Materials, 2, ICM3 K.J. Miller and R. F. Smith, eds., Pergamon Press, Proceedings 3rd International Conference on Mechanical Behavior of Materials, England, 675-684, 1979.
  3. W.Knudsen, J. Sankar, H. J. McQueen, J. Jonas and D. Hawkins, “Simulation of Rolling Schedules for HSLA Steels”, Proceedings of the Hot Working and Forming Processes, C. M. Sellars and G. J. Davies, eds., The Metal Society, Sheffield International Conference on Hot Working and Forging Processes, England, 51-56, 1979.
  4. J. Sankar and D. B. Williams, “The Effect of Microstructure and Microchemistry on the Notch Toughness Behavior of Pressure Vessel Steel Weldments”, Electron Microscopy, The Hague, 1, 172-173, 980.
  5. J.Sankar and D. B. Williams, “Analytical Electron Microscopy of Pressure Vessel Steel Weldments”, Scanning Electron Microscopy, 159-168, 1981.
  6. J.Sankar and A. Pense, “Developing Optimum Mechanical Properties in High-Strength Welds”, Proceedings of the Trends in Welding Research in the United States, S. A. David, ed., American Society for Metals, 523-540,1982.
  7. J. D’Costa, V. S. Avva, J. Sankar and A. D. Kelkar; ”Modeling of Fatigue Failures in Graphite/Glass Composites using Finite Element Methods”; NASA-HBCU Forum ‘87; Atlanta University; 1987.
  8. J.Sankar and V. S. Avva, ‘Testing and Evaluation of Advanced Ceramics at High Temperature in Uniaxial Tension”, Ceramic Technology For Advanced heat Engines, D. R. Johnson, ed., ORNL/TM-9673,136-137. U.S. Department of Energy. Also published by National Technical Information Service, U. S.  Department of Commerce, VA,1985.
  9. J.Sankar, D. B. Williams and A. W. Pense, Fractography of Pressure Vessel Steel Weldments, “Fractography of Modern Engineering Materials”, J. E. Masters and J. J. Au, eds., The American Society for Testing Materials STP, 948, 295-316,1985.
  10. A.W. Pense, J. Sankar and C. Cardenes, “The Fracture Behavior of High Strength Ni-Cr-Mo Steel Weldments”, American Welding Society, 67th Annual American Welding Society Convention, Atlanta, GA: 1986.
  11. J.Sankar and V. S. Avva, “Testing and Evaluation of Advanced Ceramics at High Temperature in Uniaxial Tension”, Ceramic Technology For Advanced Heat Engines, D. R. Johnson, ed., ORNL/TM-9947,217-219, U. S. Department of Energy. Also Published by National Technical Information Service, U. S.Department of Commerce, VA,1986.
  12. J. Sankar and V. S. Avva, ‘Testing and Evaluation of Advanced Ceramics at High Temperature in Uniaxial Tension”, Ceramic Technology For Advanced Heat Engines, D. R. Johnson, ed., ORNL/TM-10079,304-306,U.S. Department of Energy. Also Published by National Technical Information Service, U. S.  Department of Commerce, VA,1986.
  13. J. Sankar and D. B. Williams, “The Effect of Long Time Stress-Relieving on the Structure and Properties of Pressure Vessel Steel Weld Metals”. Published as Welding Research Council Research Bulletin, PVRC, NY, 1987.
  14. J. Sankar, V. S. Avva, and R. Vaidyanathan, “Testing and Evaluation of Advanced Ceramics at High Temperature in Uniaxial Tension”, Ceramic Technology For Advanced Heat Engines, D. R.Johnson, ed., ORNL/TM-10308, 296-300, U. S. Department of Energy. Also Published by National Technical Information Service, U. S. Department of Commerce, VA, 1987.
  15. J. Sankar, V. S. Avva and R. Vaidyanathan, “Testing and Evaluation of Advanced Ceramics at High Temperature in Uniaxial Tension”, Ceramic Technology For Advanced Heat Engines, D. R. Johnson, ed., ORNL/TM-10469, 343-357, U. S. Department of Energy. Also Published by National Technical Information Service, U. S. Department of Commerce, VA, 1987.
  16. D. Kelkar, J. Sankar, V. S. Avva and A. Sinha, “Non-Linear Flexural Response of Graphite Fiber Reinforced Glass Matrix Composite Beams”, Proceeding of the Analytical and Testing Methodologies for Design with Advanced Materials (ATMAM 87) S.V. Hoa, G. C. Sih and J. T. Pindera, eds., North Holland Publisher, Canada, 261-270,1988.
  17. V. S. Avva, J. Sankar, A. D. Kelkar and P. Chander, “Effect of Fatigue Load on Graphite Fiber-Reinforced Glass Matrix Composite Materials”, Proceedings of the Analytical and Testing Methodologies for Design with Advanced Materials (ATMAM 87), S.V. Hoa, G. C. Sih and J. T. Pindera, eds., North Holland Publisher, Canada, 161-171,1988.
  18. R. Vaidyanathan, J. Sankar and V. S. Avva, ‘Testing and Evaluation of Si3N4 in Uniaxial Tension at Room Temperature”, Proceedings of the 25th Automotive Technology Development Conference, Dearborn, Society of Automobile Engineers (SAE) Publication, P209, 175-186,1988.
  19. R. Vaidyanthan, J. Sankar and V. S. Avva, “Uniaxial Tensile Characteristics of Silicon Nitride at Room Temperature”, Annual Cocoa Beach Engineering and Science Proceedings, Vol. 9,1383-1392,1988.
  20. Ajit D. Kelkar and J. Sankar, “Large Deflection Behavior of Circular Composite Plate Using Quasi Linearization Finite Element Technique”, ASME International Conference on Computers in Engineering, Proceedings of the Computers in Engineering 1988, ASME Publication, 13-18,1988.
  21. J. Sankar, V. S. Avva and A. Sinha, “Testing and Evaluation of Advanced Ceramics at High Temperature in Uniaxial Tension” Ceramic Technology for Advanced Heat Engines, ORNL/TM 347-360, U. S. Department of Energy. Also Published by National Technical Information Service, U. S. Department of Commerce, VA, 1988.
  22. J. Sankar, A. Kelkar and A. Sinha and K. C. Liu, Oak Ridge National Laboratory, “Strength and Fatigue of Silicon Nitride in Uniaxial Tension”, 26th Automotive Technology Development Conference, Dearborn, Society of Automobile Engineers (SAE) Publication, P219, 173- 186, 1988.
  23. J. Sankar, V. S. Avva and R. Vaidyanathan, “Testing and Evaluation of Advanced Ceramics at High Temperature in Uniaxial Tension”, Ceramic Technology For Advanced Heat Engines, D. R.Johnson, ed., ORNL/TM 10705, 372-381, U.S. Dept of Energy.' . Also Published by National Technical Information Service, U. S. Department of Commerce, VA, 1988.
  24. J. Sankar, A. D. Kelkar, A. Sinha and R. Vaidyanathan, “Room and Elevated Temperature Fractography of Si N Tested Under Pure Tension”, Proceedings of the  ASM 14th International Symposium for Testing and Failure Analysis, 343-353, 1988.
  25. J. Sankar, A. D. Kelkar and V. S. Avva, “Testing and Evaluation of Advanced Ceramics at High Temperature in Uniaxial Tension”, Ceramic Technology For Advanced Heat Engines, ORNL/TM­ 11116, 409-415, D. R.Johnson, ed., U.S. Dept of Energy.' . Also Published by National Technical Information Service, U. S. Department of Commerce, VA, 1989,
  26. J. Sankar, A. D. Kelkar and R. Vaidyanathan, “Mechanical Properties and Testing of Ceramic Fiber-Ceramic Matrix Composites”, Proceedings of the Fourth Annual Fossil Energy Materials Conference, ORNL/FMP-90/1, ASM Publication, NTIS, Alexandria, VA, 51-60,1990.
  27. J. Sankar, A. D. Kelkar and V. S. Avva, “Testing and Evaluation of Advanced Ceramics at High Temperature in Uniaxial Tension”, Ceramic Technology For Advanced Heat Engines, ORNLI/M ­11239, 479-480, Also Published by National Technical Information Service, U. S. Department of Commerce, VA, 1989,
  28. D. Kelkar, N. Dayananda, and J. Sankar, “Finite Difference Iterative Technique for the Nonlinear Structural Behavior of Beams”, Proceedings of the Seventh International Conference on Mathematical and Computer Modeling, Chicago, August, 1989.
  29. D. Kelkar, R. L. Sadler and J. Sankar, “Introduction to Fabrication, processing and Testing of Fiberglass Composites in Undergraduate Mechanical Engineering Curriculum”, Proceedings of the ASEE Annual Conference, Charlotte, 56-58, 1990.
  30. D. Kelkar, Z. Bo, and J. Sankar, “Effect of Delaminations on the Flexural Behavior of Circular Quasi-Isotropic Laminate Under Point Loading”, Proceedings of the International Conference on Advances in Structural Testing, Analysis, and Design, Bangalore, 17-22, 1990.
  31. J. Sankar, A. D. Kelkar, V. S. Avva and Jun Gao, “Testing and Evaluation of Advanced Ceramics at High Temperature in Uniaxial Tension” Ceramic Technology for Advanced Heat Engines, ORNLITM-11489, 433-439, DoE, Also Published By NTIS, Dept. of Commerce. , 1990
  32. J. Sankar, A. D. Kelkar, V. S. Avva and Jun Gao, “Testing and Evaluation of Advanced Ceramics at High Temperature in Uniaxial Tension”, Ceramic Technology for Advanced Heat Engines, ORNLITM-11586, 440-446, DoE, Also Published By NTIS, Dept. of Commerce.,1990
  33. J. Sankar, A. D. Kelkar, V. S. Avva and Jun Gao, “Testing and Evaluation of Advanced Ceramics at High Temperature in Uniaxial Tension”, Ceramic Technology for Advanced Heat Engines, ORNL/TM-11719, 396-403, DoE, Also Published By NTIS, Dept. of Commerce, 1990.
  34. J. Sankar, A. D. Kelkar, and R. Vaidyanathan, “Mechanical Properties and Testing of Ceramic Fiber-Ceramic Matrix Composites”, Proceedings of the Fifth Annual Fossil Energy Materials Conference, ORNL/FMP-91/1, 85-95, NTIS Alexandria, VA, 1991.
  35. D. Kelkar, J. Sankar, R. Vaidyanathan and I. S. Raju, “Analysis of Ceramic Composites Using Plain Weave/Classical Laminate Theory”, Proceedings of the First Canadian International Composites Conference, Montreal, Canada, 578-585, Elsevier Publishing Co.,1992.
  36. J. Sankar, A. D. Kelkar and S. Krishnaraj, “Testing and Evaluation of Advanced Ceramics at High Temperature in Uniaxial Tension”, Ceramic Technology for Advanced Heat Engines, ORNL/TM-11859, 424-427, DoE, Also Published By NTIS, Dept. of Commerce, 1991.
  37. J. Sankar, A. D. Kelkar, R. Vaidyanathan and J. Gao, “High Temperature Mechanical Properties of Sintered Silicon Nitride in Tensile Creep”, Proceedings of the Automotive Technology Conference, Society of Automotive Engineers International, Inc., Warrendale, PA, P-256, 293-305,1992.
  38. R. Vaidyanathan, J. Sankar and A. D. Kelkar, “Mechanical Properties of Forced and Isothermal CVI Ceramic Matrix Composites”, Proceedings of the Sixth Annual Fossil Energy Materials Conference, ORNL/FMP-92/1, ASM and NTIS Publish, Alexandria, VA, 53-69,1992. 
  39. J. Sankar, A. D. Kelkar, B. Wang and S. Krishnaraj, “Testing and Evaluation of Advanced Ceramics at High Temperature in Uniaxial Tension”, Ceramic Technology for Advanced Heat Engines, ORNL/TM-11984, 362-368, , NTIS, Dept. of Commerce Publication., 1992.
  40. J. Sankar, A. D. Kelkar, and S. Krishnaraj, “Testing and Evaluation of Advanced Ceramics at High Temperature in Uniaxial Tension”, Ceramic Technology for Advanced Heat Engines, ORNL/TM-12133, 398-404, NTIS, Dept. of Commerce Publication., 1992.
  41. J. Sankar, A. D. Kelkar and S. Krishnaraj, “Testing and Evaluation of Advanced Ceramics at High Temperature in Uniaxial Tension”, Ceramic Technology for Advanced Heat Engines, ORNL/TM-12363, 332-339, NTIS, Dept. of Commerce Publication., 1992.
  42. J. Sankar, A. D. Kelkar, and R. Vaidyanathan, “Investigation of  SiC/SiC Ceramic Matrix Composites Fabricated Through Forced and Isothermal CVI Processes”, The Department of Energy and Oak Ridge National Laboratory, Publication ORNL/Sub/88- SC423/01, NTIS, Alexandria, VA, 216 pages,1993. 
  43. R. Vaidyanathan, J. Sankar, J. Kelkar, D. P. Stinton, and M. H. Headinger, “Investigation of Mechanical Properties of Chemically Vapor Infiltrated (CVI) Ceramic Matrix Composites”, 17th Annual Cocoa Beach Ceramic Engineering and Science Proceedings, 14, [9-10], 1016-1027, 1993.
  44. R. Vaidyanathan, A. D. Kelkar, J. Sankar, “Prediction of Elastic Properties of Ceramic Matrix Composites using a Plain Weave/Classical Laminate Theory”, 17th Annual Cocoa Beach Ceramic Engineering and Science Proceedings, 14[9-10], 1066-1076, 1993.
  45. J. Sankar, S. Krishnaraj, R. Vaidyanathan and A. D. Kelkar, “Elevated Temperature Behavior of Sintered Silicon Nitride Under Pure Tension, Creep and Fatigue”, Life Prediction Methodologies and Data for Ceramic Materials, ASTM STP 1201, C. R. Brinkman and S. F. Duffy, eds., American Society for Testing Materials, Publication, 19-35, 1993.
  46. D. Kelkar, M. Takle, and J. Sankar, “Effect of Uneven Fiber Spacing on the Mechanical Properties of Composites Using Finite Element Micromechanics Model”, American Society of Composites, Proceedings of the Eighth Technical Conference on Composite Materials, Cleveland, Ohio,1993, pp 673-682
  47. D. Kelkar, M. Takle, and J. Sankar; ”Effect of Uneven Fiber Spacing on the Thermal Characteristics of Composites Using Finite Element Micromechanics Model”, American Institute of Aeronautics and Astronautics Publication, 1993.
  48. Sankar et al., DOE Ceramics Technology Projects, Published by DOE/ORNL/Lockheed Martin Energy Systems and NTIS, in # ORNL/TM 12428, 1993
  49. Sankar et al, DOE Ceramics Technology Projects, Published by DOE/ORNL/Lockheed Martin Energy Systems and NTIS, in # ORNL/TM 12674, 1993.
  50. J. Neogi, S. Krishnaraj, J. Sankar, and A. D. Kelkar; “Two­Dimensional Finite Element Micromechanical Analysis of Ceramic Composites”;Science and Technology Alliance, Materials Conference, 93;Sponsored by the Department of Energy, Technomic publication, 411-426, 1994.
  51. R. Vaidyanathan, J. Sankar, and A. D. Kelkar; “Two-Dimensional Finite Element Micromechanical Analysis of Ceramic Composites”, Science and Technology Alliance, Materials Conference, 93; Sponsored by the Department of Energy, Technomic publication, 120-128, 1994.
  52. S. Neogi, J. Neogi, R. Vaidyanathan and J. Sankar; “TEM Preparation Techniques for Ceramic Samples" Science and Technology Alliance, Materials Conference, 93;Sponsored by the Department of Energy, Technomic publication, 427-432, 1994.
  53. R. Vaidyanathan, J. Sankar, A. D. Kelkar, A. D. Stinton and B. L. Weaver, “Mechanical properties of NextelTM Fiber Reinforced SiC Matrix Composites in Tension”, Eighteen Annual conference on Composites and Advanced Ceramics, Cocoa Beach, Florida, January 1994; Ceramic Engineering and Science Proceedings, 15, 251-261, 1994.
  54. J. Sankar, J. Neogi, M. T. Dixie and R. Vaidyanathan, “Effect of Thermal and Loading on the Mechanical Properties of a Hot­Isostatic Pressed (HIPed) Silicon Nitride Used for Heat Engine Applications”,  International Gas Turbine Institute/ASME Turbo and Conference at The Hague, Netherlands, 94-GT- 397, 1994
  55. Neogi, J., Neogi, S., Sankar, J., and Vaidyanathan, K. R., “High Resolution Electron Microscopy of Pre-cycled Samples of Sintered Silicon Nitride,”  18th Annual Cocoa Beach Proceedings of the Ceramic Engineering and Science, 15, pp 605-6 16, 1994.
  56. Vaidyanathan, K. R., Sankar, J., Kelkar, A. D., and Narayan, J., “Investigation of Mechanical Properties of Chemically Vapor Infiltrated (CVI) Ceramic Matrix Composition,”  18th Annual Cocoa Beach Ceramic Engineering and Science Proceedings, 15, pp 281-290, 1994.
  57. Sankar et al., DOE Ceramics Technology Projects, Published by DOE/ORNL/Lockheed Martin Energy Systems and NTIS, in # ORNL/TM 12778, 1994
  58. Sankar et al., DOE Ceramics Technology Projects, Published by DOE/ORNL/Lockheed Martin Energy Systems and NTIS, in # ORNL/TM 12924, 1994
  59. Kelkar, A. D., Takle, M., and Sankar, J., “Three Dimensional Finite Element Micromechanical Analysis of Unidirectional Composites,” Recent Advances in Structural Mechanics, PVP-VOL 295/NE-Vol. 16, ASME, pp 87-92;1994.
  60. Sankar et al. Major  published technical reports to DOE Ceramics Technology Projects, Published by DOE/ORNL/Lockheed Martin Energy Systems and NTIS, in # ORNL/TM 13046, 1995
  61. Sankar, J., Kelkar, A. D., and Neogi, J., “Fatigue, Creep and Fracture Behavior of Silicon Nitride Ceramics,” Proceedings of ASME Winter Annual Meeting, # AD Vol 50/1995, 101-112, 1995.
  62. Sankar et al., DOE Ceramics Technology Projects, Published by DOE/ORNL/Lockheed Martin Energy Systems and NTIS, in # ORNL/TM 13219, 1995
  63. Neogi, J., Sankar, J., and Kelkar, A. D., “Effect of Sample Test Volume and Geometry on the Tensile Characteristics of SiC/SiC Continuous Fiber Ceramic Composites,” Proceedings of the 37th AIAA- SDM Conference, Salt Lake City, Utah, April, # AIAA-96-1376, 1996.
  64. Kelkar, A. D., Chaphalkar, P., and Sankar, J., “Nonlinear Deformations of a Rectangular Plate Using Plate-Membrane Coupling Model with Finite Difference Method,” Journal of Mathematical Modeling and Scientific Computing, Volume 6, 1996.
  65. Sankar, J., Kelkar, A. D., and Neogi, I., “Effect of Interfacial Coating on SiC/SiC Continuous Fiber Ceramic Composites” Materials Week, Oct. ‘96, ASM, Cincinnati, Oh.
  66. Sankar et al., DOE Ceramics Technology Projects, Published by DOE/ORNL/Lockheed Martin Energy Systems and NTIS, in # ORNL/TM 13262, 1996
  67. Lang, J., Sankar, J., Kelkar, A. D., Bhatt, R., and Singh, M., “An Investigatibn of SiC/SiC Woven,CMC’s Under Monotonic and Cyclic Loadings,” NASA-HBCU’s Research Conference, Cleveland, April,1996.
  68. Lang, J., Sankar, J., Kelkar, A. D., Bhatt, R., and Singh, M., “An Investigation of SiC/SiC Woven CMC’s, Under Monotonic and Cyclic Loadings,” NASA-HiTemp ’97 Technology Conference, Cleveland, OH; April, 1997.
  69. Lang, J., Lua, J., Sankar, J., and Kelkar, A. D., “Three-Dimensional Stress Analysis and Failure Prediction of Plain Weave Composite,” The 1997 Joint ASME/ASCE/SES Summer Meeting (McNu97)
  70. Kelkar, Ajit D., Chaphalkar, Pramod, and Sankar, J., “Nonlinear Deformations of a Rectangular Plate Using Plate-Membrane Coupling Model with Finite Difference Method”, Journal of Mathematical Modelling and Scientific Computing, Volume 6,1996.
  71. Kelkar, Ajit D., Sankar, Subodh P., and Pai, D., “Finite Element Analysis of Biaxially Loaded Composite Laminates With A Central Hole”, Journal of Mathematical Modelling and Scientific Computing, Volume 6,1996.
  72. Chaphalkar, P., Kelkar, A. D., and Sankar, J., “Analytical Modeling of Structural Woven Composite Members,” Proceedings of Eleventh International Conference on Mathematical and Computer Modeling and Scientific Computing, Washington, DC, April, p -92., 1996.
  73. Rao, V., Sudarsan, S., Sankar, J., and Kelkar, A. D., “High Temperature Mechanical Behavior of Silicon Nitride Materials,” Symposium on Processing, Characterization, and Modeling of High-Temperature Monolithic and Composite Materials; The 1997 Joint ASME/ASCE/Summer Meeting (McNu97).
  74. Sankar, J., KeIkar, A. D., and Neogi, J., “Effect of Interfacial Coating on SiC/SiC Continuous Fiber Ceramic Composites,” Materials Week, ‘96, ASM International; Oct. 1996; Cincinnati, OH.
  75. Sankar, J., Kelkar, A. D., Vijay Rao, V., and We, Q., “Testing and Evaluation of Advanced Ceramics at High Temperature,” ORNL/TM-13395 Publication (available through NTIS, U. S. Dept. of Commerce); P161-174, 1996.
  76. Sankar et al., DOE-HV Propulsion System Materials, Published by DOE/ORNL/Lockheed Martin Energy Systems and NTIS, in # ORNL/TM 13467, 1997
  77. Sankar et al., DOE-HV Propulsion System Materials, Published by DOE/ORNL/Lockheed Martin Energy Systems and NTIS, in # ORNL/TM 13562, 1997
  78. Sankar, J., Kelkar, A. D., and Neogi, J, “Effect of Sample Test Volume and Geometry on the Tensile Mechanical Behavior of SiC/SiC Continuous Fiber Ceramic Composites,” CFCC/U. S. DoE; Final Report, 1997.
  79. Wei, Q., Sankar, J., Narayan, J., and Kelkar, A. D., “Morphology Changes Accompanying Creep of Sintered Si3N4 for Hot Turbine Engine Application,” Paper AIAA-97-1 376-CP, P515-524, 1997.
  80. Chaphalkar, P., Kelkar, A. D., and Sankar, J., “Non-Linear Deformations of a Quasi-Isotropic Laminates Using Finite Element Plate-Membrane Coupling Model,” Proceedings of the Third International Conference on Composite Engineering, International Community for Composites Engineering, ICCE/3, New Orleans, LA, July, 1996, P 348.
  81. Chaphalkar, P., Kelkar, A. D., and Sankar, J., “Fatigue Behavior of 52-Glass/41 1-C50 Woven Composites,” Proceedings of First Annual Review, Intelligent Resin Transfer Molding for Integral Armor Applications, Tuskegee University, Tuskegee, AL, Sept., 1996.
  82. Chaphalkar, P., Grace, C., Kelkar, A. D., Sankar, J., and Mall, Shankar, “Fatigue Behavior of Quad-Axial E-Glass/EPON 862 and 52-Glass/41 I -C50 Woven Composites,” Integration of Interdisciplinary Materials Research, Materials Research Society - North Carolina Section Annual Symposium, Research Triangle Park, NC, Nov., 1996.
  83. Grace, C. Kelkar, A. D., and Sankar, J., “Fatigue Behavior of Quad-Axial E­Glass/EPON.862 Composites,” Proceedings of First Annual Review, Intelligent Resin Transfer Molding for Integral Armor Applications, Tuskegee University, Tuskegee, AL, Sept. 1996.
  84. Kelkar, A. D., Chaphalkar, P., and Sankar, J., “Finite Element Analysis of a Biaxially Loaded Woven Fabric Composite Laminate with a Central Hole,” PVP-3; Symposium on Recent Advances in Mechanics of Solids and Structures-I, 1996 International Mechanical Engineering Congress and Exposition, ASME International, Atlanta, GA, Nov. 1996, Book GOI 01 7.
  85. Lang, J., Sankar, J., Kelkar, A. D., Bhatt, R., and Singh, M., “An Investigation of SiC/SiC Woven CM C’s Under Monotonic and Cyclic Loadings,” NASA-H BC U’s Research Conference, Cleveland, April, 1996.
  86. Lang, J., SankarjJ., Kelkar, A. D., Bhatt, R., and Singh, M., “An Investigation of SiC/SiC Woven CMC’s Under Monotonic and Cyclic Loadings,” NASA-HiTemp ’97 Technology Conference, Cleveland, OH; April, 1997.
  87. Lang, J., Lua, J., Sankar, J., and Kelkar, A. D., “Three-Dimensional Stress Analysis and Failure Prediction of Plain Weave Composite,” The 1997 Joint ASME/ASCE/SES Summer Meeting (McNu97).
  88. Rao, V., Sudarsan, S., Sankar, J., and Kelkar, A. D., “High Temperature Mechanical Behavior of Silicon Nitride Materials,” Symposium on Processing, Characterization, and Modeling of High-Temperature Monolithic and Composite Materials; The 1997 Joint ASME/ASCE/SES Summer Meeting (McNu97).
  89. Q.Wei, J.Sankar, J. Narayan and A.D.Kelkar, “Morphology Changes Accompanying Creep of Sintered Si3N4 for Hot Turbine Engine Application”, Proc. 38th AIAA SDM, 1997, P. 478.
  90. Q.Wei, J. Sankar, J. Narayan and A. Kelkar, “Transmission Electron Microscopy of the Microstructural Changes of a Sintered Si3N4 Associated with High Temperature Soaking in Air”, 39th AIAA SDM, 1998, April 20-23, Long Beach, CA, pp.1721-1729.
  91. Q. Wei, J. Sankar, V. Vijayrao and J. Narayan, “The Effect of High Temperature Soaking on the Microstructure and Properties of a Sintered Silicon Nitride”, Ceramics Science and Engineering Proc., 22nd Cocoa Beach Annual Conference of the American Ceramic Soc., Jan. 18-22, 1998..
  92. J. Sankar, L. Russell, J. Lang, A.D. Kelkar, “The Effects of Processing on the Characteristics of SiC/SiC Ceramic Matrix Composites”, Proceedings of the 4th International Conference on Composites Engineering, P. 841-842, 1997.
  93. Q.Wei, R.J. Narayan, A.K. Sharma, S. Oktyabrsky, J. Sankar and J. Narayan, “Microstructure and Wear Resistance of Doped Diamond-Like Carbon Prepared by Pulsed Laser Deposition”, Mat. Res. Soc. Sym. Proc., Vol. 505, 1998.
  94. Q.Wei, J. Narayan, R.J. Narayan, J. Sankar and A.K. Sharma, “Improvement of Wear Resistance of Pulsed Laser Deposited Diamond-Like Carbon Films Through Incorporation of Metals”, J. Mat. Sci. and Eng. B., 1998, in Press.
  95. Q.Wei, A.K. Sharma, R.J. Narayan, S. Oktyabrsky, J. Sankar, and J. Narayan, “Doping Induced Internal Stress Reduction in Diamondlike Carbon Films Deposited by Pulsed Laser Deposition”, in “Covalently Bonded Disordered Thin-Film Materials”, edited by J.Jaskie, D. McKemzie, W. Milne, M. Siegal, Mater. Res. Soc. Proc., Boston, MA (1997) .
  96. Q. Wei, A.K. Sharma, R.J. Narayan, S. Oktyabrsky, J. Sankar, and J. Narayan, “Microstructure and Wear Resistance of Doped Diamondlike Carbon Films Prepared by Pulsed Laser Deposition”, in “Thin Films - Stresses and Mechanical Properties”, edited by R. Cammarata, M. Nastasi, E. Busso, W. Oliver, Mater. Res. Soc. Proc., Boston, MA (1997)
  97. Q. Wei, A.K. Sharma, R.J. Narayan, N.M. Ravindra, S. Oktyabrsky, J. Sankar, and J. Narayan, “Microstructure and IR Range Optical Properties Properties of Pure DLC and DLC Containing Dopants Prepared by Pulsed Laser Deposition”, in “Advances of Laser Ablation of Materials”, edited by R. Singh, D. Lowndes, D. Chrisey, J. Narayan, T. Kawai, E. Fogarassy, Mater. Res. Soc. Proc. v.526, San Francisco, CA (1998)
  98. J. Lua, V. Isgro, J. Lang, J. Sankar, and A.D. Kelkar, “Three-Dimensional Finite Element Characterization of Woven Fabric Composites”, Ceramics Science and Engineering Proc., 22nd Cocoa Beach Conference of the Am. Ceram. Soc., Jan. 24, 1998, Cocoa Beach, FL
  99. Pramod Chaphalkar, Ajit D. Kelkar, and J. Sankar, “Analytical Modeling of Structural Woven Composite Members”, Proceedings of Eleventh International Conference on Mathematical and Computer Modeling and Scientific Computing, Washington, DC, Apr 1997, p 142.
  100. Ajit D. Kelkar, J. Sankar, Pramod Chaphalkar, C. Grace, S.N. Yarmolenko, Shankar Mall, U. K. Vaidya, “Fatigue Behavior Of Resin Infusion Processed S2-Glass Woven Composites”, International Mechanical Engineering Congress and Exposition, ASME International, Dallas, TX, Nov 1997.
  101. Ajit D. Kelkar, Christopher GRACE, Pramod Chaphalkar, J. Sankar, Shankar Mall,“Fatigue Behavior of Quadaxial E-Glass/EPON 862”, Proceedings of the Fourth International Conference on Composite Engineering, International Community for Composites Engineering, ICCE/4, Hawaii, July 1997
  102. Ajit D. Kelkar, Pramod Chaphalkar and J. Sankar, “Development of Tensile Coupons for Thick Composites Using Finite Element Method”, SECTAM, Nineteenth Southeastern Conference On Theoretical And Applied Mechanics, Deerfield Beach, Florida, May, 1998.
  103. Ajit D. Kelkar, J. Sankar, K. Rajeev, R.J. Aschenbrenner, and G. Schoeppener, “Analysis of Tensile Preloaded Composites Subjected to Low-Velocity Impact Loads”, Proceedings of 39th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Long Beach, CA, April, 1998.
  104. Ajit D. Kelkar, J. Sankar, C. Grace, R.J. Aschenbrenner, and G. Schoeppener, “Behavior of Tensile Preloaded Composites Subjected to Low-Velocity Impact Loads”, Internatioanal Mechanical Engineering Congress and Exposition the 1997 Winter Annual Meeting of the ASME, November, 1997.
  105. J. Lang, J. Sankar, A.D. Kelkar, R.T. Bhatt, M. Singh, and Jim Lua, “An Investigation of SiC/SiC Woven Composite under Monotonic and Cyclic Loading”, Proceedings of the NASA-HITEMP’ 97 Conference, Paper #57, Vol. III, 1997.
  106. J. Lang, A.D. Kelkar, J. Sankar, and J. Lua, “Three-Dimensional Stress Analysis and Failure Prediction of Plain Weave Composites”, Proceedings of the McNU ‘97 Conference, Chicago, 1997, P. 811.
  107. V.Vijayrao, S. Srinivasan, J. Sankar, and A.D.Kelkar, “High Temperature Mechanical Behavior of Silicon Nitride Ceramics”, Proceedings of the McNU ‘97 Conference, Chicago, 1997, P. 804.
  108. J. Lang, J. Sankar, A.D. Kelkar, R.T. Bhatt, M. Singh, and Jim Lua, “An Investigation of SiC/SiC Woven Composite under Monotonic and Cyclic Loading”, Proceedings of the LeRC HBCUs Research Conference,Cleveland, OH, 1997, P. 37.
  109. J. Lang, J. Sankar, A.D.Kelkar, R.T. Bhatt, G. Baaklini, and Jim Lua, “Mechanical Behavior and Analytical Modeling of Melt-Infiltrated SiC/SiC Woven Composite”, Fifth HBCUs Research Conference, April 8-9, 1998, Cleveland, OH.
  110. Q. Wei, A.K. Sharma, R.J. Narayan, S. Oktyabrsky, J. Sankar, and J. Narayan, “Microstructure and Wear Resistance of Doped Diamondlike Carbon Films Prepared by Pulsed Laser Deposition”, 1997 Fall Meeting of the Materials Research Society, December 1-5, Boston, MA.
  111. Q. Wei, A.K. Sharma, R.J. Narayan, N.M. Ravindra, S. Oktyabrsky, J. Sankar, and J. Narayan, “Microstructure and IR Range Optical Properties of Pure DLC and DLC Containing Dopants Prepared by Pulsed Laser Deposition”, 1998 Spring Meeting of the Materials Research Society, April 13-17, San Francisco, CA.
  112. Q. Wei, J. Sankar, V. Vijayrao and J. Narayan, “The Effect of High Temperature Soaking on the Microstructure and Properties of a Sintered Silicon Nitride”, 22nd Cocoa Beach Annual Conference of the American Ceramic Soc., Jan. 18-22, 1998, Cocoa Beach, FL.
  113. J. Sankar, “NSF/CREST – Center for Advanced Materials and Smart Structures”, Center Overview, 10th NARCE Annual Conference, Puerto Rico, February 1998.
  114. Pramod Chaphalkar, Ajit D. Kelkar, and J. Sankar, “Analytical Modeling of Structural Woven Composite Members”, Proceedings of Eleventh International Conference on Mathematical and Computer Modeling and Scientific Computing, Washington, DC, Apr 1997, p 142.
  115. Ajit D. Kelkar, Christopher Grace, Pramod Chaphalkar, J. Sankar, Shankar Mall,“Fatigue Behavior of Quadaxial E-Glass/EPON 862”, Proceedings of the Fourth International Conference on Composite Engineering, International Community for Composites Engineering, ICCE/4, Hawaii, July 1997.
  116. Ajit D. Kelkar, Pramod Chaphalkar and J. Sankar, “Development of Tensile Coupons for Thick Composites Using Finite Element Method”, SECTAM, Nineteenth Southeastern Conference On Theoretical And Applied Mechanics, Deerfield Beach, Florida, May, 1998.
  117. Ajit D. Kelkar, J. Sankar, K. Rajeev, R.J. Aschenbrenner, and G. Schoeppener, “Analysis of Tensile Preloaded Composites Subjected to Low-Velocity Impact Loads”, Proceedings of 39th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Long Beach, CA, April, 1998.
  118. Ajit D. Kelkar, J. Sankar, C. Grace, R.J. Aschenbrenner, and G. Schoeppener, “Behavior of Tensile Preloaded Composites Subjected to Low-Velocity Impact Loads”, Internatioanal Mechanical Engineering Congress and Exposition the 1997 Winter Annual Meeting of the ASME, November, 1997.
  119. Q. Wei, J. Narayan, R. J. Narayan, J. Sankar and A. K. Sharma, “Improvement of Wear Resistance of Pulsed Laser Deposited Diamond-Like Carbon Films Through Incorporation of Metals”, Mat. Sci. and Engrg. B., 53, pp. 262-266, May 22, 1998.
  120. Ajit D. Kelkar, Pramod Chaphalkar and J. Sankar, "Development of Tensile Coupons for Thick Composites Using Finite Element Method', SECTAM, Nineteenth Southeastern Conference On Theoretical And Applied Mechanics, Deerfield Beach, Florida, pp.590-597, 1998.
  121. Sankar et al., DOE-HV Propulsion System Materials, Published by DOE/ORNL/Lockheed Martin Energy Systems and NTIS, in # ORNL/TM 13648, 1998
  122. Sankar et al., DOE-HV Propulsion System Materials,Published by DOE/ORNL/Lockheed Martin Energy Systems and NTIS, in # ORNL/TM 13735, 1998
  123. Q. Wei, R. J. Narayan, A. K. Sharma, S. Oktyabrsky, J. Sankar and J. Narayan, “Microstructure and Wear Resistance of Doped Diamond-Like Carbon Prepared by Pulsed Laser Deposition”, Mat. Res. Soc. Sym. Proc., Vol. 505, pp. 331-336, 1998, Warrendale, PA.
  124. Q. Wei, R. J. Narayan, A. K. Sharma, J. Sankar and J. Narayan, "Doping Induced Internal Stress Reduction in Diamondlike Carbon Films Deposited by Pulsed Laser Ablation", in Covalently Bonded Disordered Thin-Film Materials, eds. By M. Siegal, et al., Mater. Res. Soc. Proc., Vol. 498, pp. 61-66 (1998).
  125. Q. Wei, A. K. Sharma, R. J. Narayan, N. M. Ravindra, S. Oktyabrsky, J. Sankar, J. F. Muth, R. M. Kolbas and J. Narayan, "Microstructure and IR Range Optical Properties of Pure DLC and DLC Containing Dopants Prepared by Pulsed Laser Deposition", in Advances in Laser Ablation of Materials, eds. by R. Singh, et al., (Mater. Res. Soc. Proc., Vol. 526, pp. 331-336, Warrendale, PA, 1998.
  126. Q. Wei, J. Sankar, V. Vijayrao and J. Narayan, "The Effect of High Temperature Soaking on the Microstructure and Properties of a Sintered Silicon Nitride", Ceramic Eng. & Science Proc., Vol.19, pp. 3-10, 1998.
  127. Q. Wei, J. Sankar, J. Narayan and A. Kelkar, "Transmission Electron Microscopy of the Microstructural Changes of a Sintered Si3N4 Associated with High Temperature Soaking in Air", Collection of Technical Papers (AIAA/ASME/ASCE/AHS/ASC-Structures, Structural Dynamics and Materials Conference, Vol. 2, 1998, AIAA, Reston, VA, USA, pp. 1721-1729 AIAA-98-1903.
  128. Q. Wei, R. Narayan, A. K. Sharma, J. Sankar and J. Narayan, "Preparation and Characterization of Diamondlike Carbon/Metal Composite Films", Fifth International Conference on Composites Engineering, July 5-11, 1998, Las Vegas, Nevada, pp. 945-946.
  129. Lua, V. Isgro, J. Lang, J. Sankar, and A. D. Kelkar, "Three-Dimensional Finite Element Characterization of Woven Fabric Composites", Ceramics Science and Engineering Proc., 22nd Cocoa Beach Conference of the Am. Ceram. Soc.,Vol. 19 (3),1998,
  130. Q. Wei, J. Sankar, A. D. Kelkar and J. Narayan, "Microstructure Changes Associated with Tensile Creep of an in situ Self-reinforced Silicon Nitride", presented in MRS 1998 Fall Meeting, Boston, MA..
  131. Q. Wei, R. Narayan, A.K. Sharma, J. Sankar and J. Narayan, “Micro- and Nano-mechanical Behavior of Diamondlike Carbon Films Containing Foreign Atoms Prepared by Pulsed Laser Deposition” in “Properties and Processing of Vapor-Deposited Coatings”, edited by R. Johnson, W. Lee, M. Pickering and B. Sheldon, Mater. Res. Soc. Proc., vol. 555, Boston, MA, p 303-308,1998.
  132. V. P. Godbole, R.J. Narayan, Z. Xu, J. Narayan, and J. Sankar, “Synthesis of Diamond-TiC Composites On Cobalt-Chromium Alloy”, Fifth International Conference on Composites Engineering, July 5-11, 1998, Las Vegas, Nevada, pp. 323-324.
  133. Ajit D. Kelkar, C. Grace, and J. Sankar, “The Effects of Thickness and Preload on Impact Characteristics of Graphite/Epoxy Laminates”, Fifth International Conference on Composites Engineering, July 5-11, 1998, Las Vegas, Nevada, pp. 467-468.
  134. J. Lang, J. Sankar, A. Kelkar, R. Bhatt, G. Baaklini, J. Lua, NASA Lewis Research Center, North Carolina A&T State University, Engineering Technology Center, “Behavior of SiC/SiC Woven Composite Under Tensile and Fatigue Loading Conditions”, Fifth International Conference on Composites Engineering, July 5-11, 1998, Las Vegas, Nevada, pp. 513-514.
  135. L. Russell, D. E. Klett, J. Sankar, and D. Pai, “The Effect of Thermal Barrier Ceramic Coatings on the Performance of a DI Diesel Engine”, Fifth International Conference on Composites Engineering, July 5-11, 1998, Las Vegas, Nevada, pp. 773-774.
  136. J. Sankar, J. Neogi, and A. D. Kelkar, “Effect of Sample Test Volume and Geometry on the Tensile Mechanical Behavior of SiC/SiC Continous Fiber Ceramic Composites”, Fifth International Conference on Composites Engineering, July 5-11, 1998, Las Vegas, Nevada, pp. 793-794.
  137. V. Vijayrao, J. Sankar, and A. D. Kelkar, “High Temperature Mechanical Properties of Silicon Nitride Ceramics”, Fifth International Conference on Composites Engineering, July 5-11, 1998, Las Vegas, Nevada, pp. 921-922.
  138. V. P. Godbole, R.J. Narayan, Z. Xu, J. Narayan, and J. Sankar, "Synthesis of Diamond- TiC Composites on Cobalt-Chromium Alloy", Proceedings of the 5th International Conference on Composites Engineering, Las Vegas, NV, July 5-11, 1998, pp. 323-324, Editor: David Hui.
  139. Z. Xu, R.J. Narayan, J. Narayan, J. Sankar "The characteristics of DC glow discharge and its effects on enhancement of diamond nucleation in HF-CVD system", Proceedings of Mater. Res. Soc. Symposium, Boston, MA, (Nov. 29-Dec. 03, 1998).Vol.555, 233-239,1999
  140. Q. Wei, J. Sankar, A. D. Kelkar and J. Narayan, "High Temperature Uniaxial Creep Behavior of a Sintered in situ Reinforced Silicon Nitride Ceramics, Ceramic Eng. & Science Proc., Vol. 20 (3), pp.463-470, 1999.
  141. J. Sankar, G. Choudhury, Q. Wei, V. Vijay Rao and A. D. Kelkar, “A comparative study of the tensile, fatigue and creep properties of sintered (SNW-1000 and GS44) and HIPed (PY-6) silicon nitride ceramics”, Ceramic Eng. & Sci. Proc., 1999, Vol. 20 (4), 133-140.
  142. R. Krishnan, A.D. Kelkar and J. Sankar, “ Thermal Expansion Charecteristics of Coated Fiber Composites”, ”, Ceramic Eng. & Sci. Proc., 1999, Vol. 20 (4), 395-402.
  143. Ajit D. Kelkar, Christopher Grace and J. Sankar, "Threshold Damage Criteria For Thin And Thick Laminates Subjected To Low Velocity Impact Loads", Proceedings of the 12th International Conference on Composite Materials 5th - 9th July 1999 Paris, France.
  144. Kelkar Ajit D., K. Rajeev, and J. Sankar, North Carolina A&T State Univ., Greensboro, NC," Effect of Fiber Coating on Transverse Mechanical Properties of Ceramic Composites", 40th AIAA/ASME/ ASCE/ AHS/ ASC Structures, Structural Dynamics, and Materials Conference and Exhibit, St. Louis, MO 12-15 April1999, Publication #AIAA-99-1335.
  145. D. Kelkar, P. Chaphalkar, and J. Sankar, North Carolina A&T State Univ., Greensboro, NC , " Fatigue Behavior of Resin Infusion and Resin Transfer Molding S2-Glass Twill-Woven Composites ", 40th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference and Exhibit, St. Louis, MO 12-15 April 1999, Publication #AIAA-99-1438.
  146. J. Lang, A. Duraphe, H. Dukes, S. Yarmolenko, D. Pai and J. Sankar, "Response of High Temperature CMCs to Monotonic and Cyclic Loading," Proceedings of the NASA Lewis Research Center's HBCU/OMU Research Conference, April, 1999.
  147. V. P. Godbole, S. Q. Wang, J. Narayan, and J. Sankar, "TEM Investigations of WC-TiC Composites Synthesized by SHS Process,"  MRS 1998 Fall Meeting, Boston, MA.
  148. Sankar et al., DOE-HV Propulsion System Materials, Published by DOE/ORNL/Lockheed Martin Energy Systems and NTIS, in # ORNL/TM 1999/95, 1999. .,
  149. H. Dukes, A. Duraphe, J. Lang, J. Sankar, D.Pai, S. Yarmolenko, "Mechanical Behavior of Woven Ceramic Composites Part 1: Static Loading" Sixth International Conference on Composites Engineering, June 27-July 3, 1999, Orlando, Florida, pp. 189-190.
  150. Duraphe, H. Dukes, J. Lang, D.Pai, J. Sankar, S. Yarmolenko, "Mechanical Behavior of Woven Ceramic Composites Part 2: Dynamic Loading" Sixth International Conference on Composites Engineering, June 27-July 3, 1999, Orlando, Florida, pp. 193-194.
  151. V. Godbole, R.J. Narayan, A. K. Sharma, J. Narayan, J. Sankar, "Microstructure and Properties WC and TiC Composite" Sixth International Conference on Composites Engineering, June 27-July 3, 1999, Orlando, Florida, pp. 255-256.
  152. J. Narayan, W. Li, Q. Wei, J. Sankar, "Laser Surface Modifications of Ceramics" Sixth International Conference on Composites Engineering, June 27-July 3, 1999, Orlando, Florida, pp. 483-484.
  153. Jim Lua, Larry Russell, Jag Sankar, "Processing Induced Thermal Residual Stress in Thermal Barrier Coated Substrates" Sixth International Conference on Composites Engineering, June 27-July 3, 1999, Orlando, Florida, pp. 515-516.
  154. R.J. Narayan, V. Godbole, J. Narayan, J. Sankar, "Functionally Gradient Diamond Films and Composites" " Sixth International Conference on Composites Engineering, June 27-July 3, 1999, Orlando, Florida, pp. 611-612.
  155. T. A. Rawdanowicz, J. Sankar, V. Godbole, J. Narayan, A. Sharma, "The Hardnesses and Elastic Moduli of Pulsed Laser Deposited Multilayer AIN/TiN Thin Films" Sixth International Conference on Composites Engineering, June 27-July 3, 1999, Orlando, Florida, pp. 693-694.
  156. Larry Russell, Jag Sankar, Q. Wei, "The Effects of Thermal Soaking on the Performance of Si3N4 Slurry Coated Substrates" Sixth International Conference on Composites Engineering, June 27-July 3, 1999, Orlando, Florida, pp. 711-712.
  157. Q. Wei, J. Sankar, J. Narayan, "Role of Dislocations in High Temperature Creep of in situ reinforced Silicon Nitride" Sixth International Conference on Composites Engineering, June 27-July 3, 1999, Orlando, Florida, pp. 721-722.
  158. K. Sharma, Q. Wei, J. Sankar, J. Narayan, "Carbon-Nitrogen Nanotubes and Composites" Sixth International Conference on Composites Engineering, June 27-July 3, 1999, Orlando, Florida, pp. 763-764.
  159. R. D. Simpson, D. Pai, J. Sankar, "Design of a Thermal Testing System for Advanced Materials" Sixth International Conference on Composites Engineering, June 27-July 3, 1999, Orlando, Florida, pp. 779-780.
  160. Q. Wei, A. K. Sharma, J. Sankar, J. Narayan, "Effect of Mechanical Doping on the Properties of Diamondlike Carbon Thin Films Prepared by Pulsed Laser Deposition" Sixth International Conference on Composites Engineering, June 27-July 3, 1999, Orlando, Florida, pp. 879-880.
  161. Larry Russell, Jag Sankar, Richard Windley, Jim Lua, "FEM Response Analysis of GS-44 Specimen Under Four-Point Bending" Sixth International Conference on Composites Engineering, June 27-July 3, 1999, Orlando, Florida, pp. 885-886.
  162. J. Sankar, G. Choudhury, Q. Wei, V. Vijay Rao and A. D. Kelkar, “A comparative study of the tensile, fatigue and creep properties of sintered (SNW-1000 and GS44) and HIPed (PY-6) silicon nitride ceramics”, Ceramic Eng. & Sci. Proc., 1999, Vol. 20 (4), 133-140.
  163. R. Krishnan, A.D. Kelkar and J. Sankar, “ Thermal Expansion Charecteristics of Coated Fiber Composites”, ”, Ceramic Eng. & Sci. Proc., 1999, Vol. 20 (4), 395-402.
  164. Ajit D. Kelkar, Christopher Grace and J. Sankar, "Threshold Damage Criteria For Thin And Thick Laminates Subjected To Low Velocity Impact Loads", Proceedings of the 12th International Conference on Composite Materials 5th - 9th July 1999 Paris, France.
  165. T. A. Rawdanowicz, V. Godbole, J. Sankar, J. Narayan, & A. Sharma, "The Hardnesses and Elastic Moduli of Pulsed Laser Deposited Multilayer AlN/TiN Thin Films," Composites Part B Engineering Journal, Dec 1999, Vol 30B, pp657-665.
  166. Q. Wei, A. K. Sharma, J. Sankar and J. Narayan, "Mechanical Properties of Diamondlike Carbon Composite Thin Films Prepared by Pulsed Laser Deposition," Composites Part B Engineering Journal, Dec 1999, Vol 30B, pp 675-684
  167. V. P. Godbole, R.J. Narayan, Z. Xu, J. Narayan and J. Sankar, "Diamond Films and Composites on Cobalt-Chromium Alloys" Materials Sci. and Egg. B, 1999.
  168. Q. Wei, J. Sankar, A. D. Kelkar, and J. Narayan, "Microstructure Evolution Accompanying High Temperature Uniaxial Tensile Creep of Self-Reinforced Silicon Nitride Ceramics," Materials Science and Engineering Journal A, A272, 380-388, 1999
  169. Q. Wei, R.J. Narayan, A.K. Sharma, J. Sankar and J. Narayan, “Preparation and Mechanical Properties of Composite Diamondlike Carbon Thin Films”, Journal of Vacuum Science & Technology A17, 1999, 3406 –3414.
  170. Q. Wei, A. K. Sharma, S. Yarmolenko, J. Sankar and J. Narayan, "Fabrication and Characterization of Functionally Gradient Diamondlike Coatings" presented in MRS 1999 Fall Meeting, (Nov. 29-Dec. 03, 1999), Boston, MA., Volume 594, p 313-318, (2000)
  171. Q. Wei, A. K. Sharma, S. Yarmolenko, J. Sankar and J. Narayan, "Electrical Behavior of Pure and Copper Doped Diamondlike Carbon Prepared by Pulsed Laser Deposition" presented in MRS 1999 Fall Meeting, (Nov. 29-Dec. 03, 1999), Boston, MA., Volume 593, p 377-382, (2000)
  172. Thomas Rawdanowicz, Jag Sankar, J. Narayan, Vijay Godbole, "Hardness and Elastic Modulus Measurements of AIN and TiN Sub-Micron Thin Films Using the Continuous Stiffness Measurement Technique With FEM Analysis" presented in MRS 1999 Fall Meeting, (Nov. 29-Dec. 03, 1999), Boston, MA., Volume 495, (2000)
  173. Horace Dukes, Jr. and J. Sankar, "Effect of Temperature on Static Properties of Melt Infiltrated Ceramic Composites" 24th Annual conference on Composites, Advanced Ceramics, Materials, and Structures, Jan. 23-28, 2000, Cocoa Beach, FL.
  174. Duraphe , H. Dukes, J. Sankar, D.Pai, S. Yarmolenko, A.D. Kelkar, J. Lang and R.T Bhatt," Effect of Temperature on Fatigue Properties of Melt Infiltrated Ceramic Composites" Ceramic Engineering and Science Proceedings, Jan. 23-28, 2000, Cocoa Beach, FL, vol 21 (3). 347-354
  175. L. Russell, J. Sankar, R. A. Miller, D. Zhu and A. Calamino, "Effects of Mullite/YSZ Coatings on the Performance of SiC/SiC Composite Combustion Liners" Ceramic and Engineering Science Proceedings, Jan. 23-28, 2000, Cocoa Beach, FL,Vol. 21 (4), 243-250
  176. J. Lua, J. Sankar, S. Yarmolenko, W. Windley II, D. Pai, and L. Russell, "Testing and Finite Element Analysis of Sintered Silicon Nitride Specimens Under Four-Point Bending" Ceramic Engineering and Science Proceedings, Jan. 23-28, 2000, Cocoa Beach, FL, vol 21 (4), pp. 527-536.
  177. Q. Wei and J. Sankar, "Effect of Heat-Treatment on Creep Behavior of Self-Reinforced Silicon Nitride" Ceramic Engineering and Science Proceedings, Jan. 23-28, 2000, Cocoa Beach, FL, vol 21 (4), pp. 537-544.
  178. Larry Russell, Q. Wei, J. Sankar and A. Kelkar, "Microstructure and Mechanical Evaluations of Sintered Si3N4", AIAA-2000-1604, SDM 52, April 2000.
  179. Pai, D., Sankar, J., and Lee, C., “Infusing MSE Topics into Non-MSE Curricula: A Multidisciplinary Approach” Proceedings of the MRS 2000 Spring Conference, San Francisco, CA, Symposium HH, Paper 5.7, April 2000.
  180. Q. Wei, J. Sankar, A.D. Kelkar and J. Narayan, “Microstructure Evolution Accompanying High Temperature Uniaxial Tensile Creep of Self-reinforced Silicon Nitride Ceramics”, Journal of Materials Science and Engineering, 1999, A272, pp. 380-388.
  181. Q. Wei, R. J. Narayan, A. K. Sharma, J. Sankar, S. Oktyabrsky, J. Narayan, “Micro- and nano-mechanical behavior of diamondlike carbon containing foreign atoms prepared by pulsed laser deposition”, Mater. Res. Soc. Symp. Proc., 1999, Vol. 555, 303-308.
  182. Q. Wei, J. Sankar, A.K. Sharma, S. Oktyabrsky, J. Narayan, R.J. Narayan, “Atomic Structure, Electrical Properties, and IR Range Optical Properties of Diamondlike Carbon Containing Foreign Atoms Prepared By Pulsed Laser Deposition”, Journal of Materials Research, 2000, 15, 603.
  183. D. Kumar, S. Pietambaram, R. Singh, C. Lee, J. Sankar, J. Narayan and A. Mazumdar, “Low Temperature Magnetoresistance of Colossal Magnetoresistive La0.7Ca0.3MnO3 Thin Films” in “CMR Transport”, American Physical Society, Spring Meeting, Minneapolis, March 20-24, 2000.
  184. Q. Wei, S. Yarmolenko, J. Sankar, A.K. Sharma, Y. Yamagata and J. Narayan, “Microstructure and Nanomechanical Properties of DLC Thin Films Prepared by Pulsed Laser Deposition in Various Atmospheres”, in “New Methods, Mechanisms and Models of Vapor Deposition”, edited by H.N.G. Wadley, G. Gilmer and W. Barker, Materials Research Society Proc., 2000, Vol. 616.
  185. D. Kumar, A.K. Sharma, S. Chattopadhyay, J. Narayan, S.V. Pietambaram, R.K. Singh, C. Lee, J. Sankar, “Magnetic and Magnetoresistance Properties of Pulsed Laser Deposited La0.7Ca0.3MnO3 Thin Films on Silicon”, MRS 2000 Spring Meeting, April, 2000, San Francisco, CA.
  186. Integration of colossal magnetoresistive La0.67Ca0.33MnO3 thin films with silicon substrates, D. Kumar, S. Chattopadhyay, Walter M. Gilmore, C. B. Lee, J. Sankar, A. Kvit, A. K. Sharma, J. Narayan, S.V. Pietambaram and Rajiv K. Singh, Mater. Res. Soc. Proc.,Ed.: D. Kumar, D.P. Norton, C. B. Lee, X, Xi, and K. Ebihara. Vol. 617, 2000,
  187. D. Kumar, J. Narayan, A. K. Sharma, A. Kvit, C. Jin, and J. Sankar,Tunable magnetic properties of nanoscale magnetic dots in ceramic matrix, P. 4.7, November 27-December1, 2000, MRS Fall Meeting, Boston.
  188. D. Kumar, J. Narayan, A.V. Kvit, A. K. Sharma, and J. Sankar, High coercivity and superparamagnetic behavior of nanocrystalline iron particles in alumina matrix, , J. Magnetism and Magnetic Materials (submitted).
  189. D. Kumar ,Pallavi Katiyar, T.K. Nath, Alex V.  Kvit,and J. Narayan, Soma Chattopadhyay, Water M. Gilmore, Steve Coleman,  Clinton B. Lee, and J. Sankar, and Rajiv K. Singh,  Magnetic properties of self-assembled nanoscale La2/3Ca1/3MnO3 particles in alumina matrix  Appl. Phys. Lett. (submitted).
  190. D. Kumar, J. Narayan, A.K. Sharma, A. Kvit, C. Jin, and J. Sankar, Magnetic properties of iron and nickel particle of nanometer dimension, J. Solid State Electronics (submitted).
  191. D. Kumar, J, Sankar, K.G. Cho, V. Craciun, and R.K. Singh, “ Enhancement of Cathodoluminescencent and Photoluminescent properties of Eu:Y2O3 Luminescent Films by Vacuum Cooling” Applied Physics Letters, V77, #16, 2518-2520 (2000) .
  192. Q.Wei, S. Yarmolenko, J. Sankar, A.K. Sharma and J. Narayan, “Preparation of Functionally Graded Tetrahedral Amorphous Carbon Coatings By Pulsed Laser Deposition” in “Laser-Solid Interactions for Materials Processing”, edited by D. Kumar, D.P. Norton, C. Lee, K. Ebihara and X. Xi,Materials Research Society Proc., 2000, Vol. 617, Pub J7.7
  193. Q. Wei, S. Yarmolenko, J. Sankar, A. K. Sharma, Y. Yamagata and J. Narayan, “Microstructure and nano-mechanical properties of diamondlike carbon thin films prepared by pulsed laser deposition in various atmospheres”, MRS 2000 Spring Meeting, April, 2000, San Francisco, CA.
  194. Q. Wei, S. Yarmolenko, J. Sankar, A. K. Sharma and J. Narayan, “Preparation of superhard functionally graded tetrahedral amorphous carbon coatings by pulsed laser deposition”, MRS 2000 Spring Meeting, April, 2000, San Francisco, CA.
  195. Q. Wei, J. Sankar, J. Narayan and K. Liu, “Microstructure and creep behavior of self-sintered silicon nitride ceramics heat-treated by furnace and microwave annealing”, 41st AIAA/ASME/ASCE/AHS/ASC SDM Conf., paper number 2000-1603, April 2000, Atlanta, GA.
  196. J. Sankar, S.N. Yarmolenko, A.D. Kelkar and D. Pai, “ Processing, Microstructure and Mechanical Behavior of advanced Ceramic Composite Materials”, Manufacturing technology, 19th AIMTDR, Madras,India. 57-68, (2000)
  197. D. Pai, Y. Acharya, S. Yarmolenko, J. Sankar, J. Lua, and L. Zawada, “Single Fiber Testing and Creep Modeling,” 25th Annual Conference on Composites, Advanced Ceramics, Materials and Structures, Cocoa Beach, FL, Jan 2001 (full paper under review).
  198. D. Kumar, S. Chattopadhyay, Walter M. Gilmore, C. B. Lee, J. Sankar, A. Kvit, A. K. Sharma, J. Narayan, S.V. Pietambaram and Rajiv K. Singh, Structural and magnetoresistance properties of  La2/3Ca1/3MnO3 thin films on buffered silicon substrates, Appl. Phys. Lett., 78, February 19, 2001.
  199. D. Kumar, J. Sankar, J.Narayan, A.K.Sharma, A. Kvit and Jin, “ Tunable Mechanical and Magnetic Properties in Metal Ceramic Composite Smart Films", The 18th Biennial   Conference on Mechanical Vibration and Noise, Pittsburg, USA.Sept 9-13, 2001.
200+  J. Sankar, et. al.; ”Testing and Evaluation of Advanced Ceramics at High Temperature in Uniaxial Tension”; Special Distribution; ORNL Central File Numbers ORNL/CF-85/56;71 – 74, ORNL/CF­85/291 ;61 -64;1 985, ORNL/CF-85/291; 61 -64; 1985., ORNL/CF-85/372; 71 -74; 1985.,ORNL/CF-85/440; 61 -64; 1985., ORNL/CF-86/9; 45-48; 1986, ORNL/CF-86-47; 53-56; 1985.,ORNL/CF-86/75; 59-62; 1986, ORNL/CF-86/21 3; 45-46; 1986, ORNL/CF-86/259; 57-60; 1986, ORNLICF-861334; 89-94; 1986, ORNL/CF-86/377; 43-50; 1986, ORNLICF-87134; 49-60; 1987, ORNL/CF-87/85; 53-62; 1987, ORNL/CF-87/21O; 61 -66; 1987, ORNL/CF-87/261; 79-90; 1987, ORNL/CF-87/380; 87-95; 1987, ORNL/CF-88/5; 53-62; 1988, ORNL/CF-88/206; 82-95; 1988, ORNL/CF-88/270; 79-92; 1988…… continues till present,  Oak Ridge National Laboratorv;TN;1985 - present. ORNL/CF-1993/53, 51-57, 1999..

RESEARCH GRANTS AND CONTRACTS

Effect of Fatigue and Thermal Loads on SiC/GI Matrix Composites; Department of Energy; August, 1983 to August, 1984.
Principal Investigators:V. S. Avva (PI) and J. Sankar $50 000 + Use of DoE Facilitites at Oak Ridge National Laboratoy TN; #DE­A505-83-ER45045

Acquisition of a New Scanning Electron Microscope; North Carolina State
Appropriation; North Carolina A & T State University; FY1983-1984.
Principal Investigators:  J. Sankar (PI) and W. Collis.
$40,000

“Shared Research Equipment Travel Support”, Processing Science and Technology Section. ORNL, TN; FYI 984.
Principal Investigators:  J. Sankar and V. S. Awa
$1,500

Acquisition of Advanced Accessories for the New Scanning Electron Microscope ISI-5540; North Carolina State Appropriation; North Carolina A & T State University; FYI984-1985.
PrincipaI Investigator:J. Sankar
$20,000

Acquisition of an Optical Microscope with Photomicrographic Facility: Polaroid Foundation, Inc.; FYI984.

Instrumentation for Materials Research, Office of Naval Research (DoD);FYI 984/FYI 985.
Principal Investigators:  V. S. Avva (PI), J. Sankar and H. S. Tzou
$160000 #84156A

“Testing and Evaluation of Advanced Ceramics at High Temperature in Uniaxial Tension”, Martin Marietta Energy Systems, lnc.; Department of Energy; October, 1984 to October,1986.
Principal Investigators:J. Sankar (PI) and V. S. Avva
$400,000 #19X-89687C

“Effect of Fatigue and Thermal Loads on Graphite Fiber Reinforced Glass Matrix Composites”; Sponsored by NASA (Langley Research Center);September, 1983 to December, 1987.
Principal Investigators:V. S.Avva (PI), J. Sankar and W. J. Craft
 $375,000  #NAG-I -404

“Effect of Thermal and Cyclic Loads on Silicon Carbide Yarn Reinforced Glass Matrix Composites”; Department of Energy; August, 1984 to February, 1988.
Principal Investigators:V. S. Avva (PI) and J. Sankar
$195,000 #DE-FGOS-84-ER45140

“Testing and Evaluation of Advanced Ceramics at High Temperature in Uniaxial Tension”; Martin Marietta Energy Systems, lnc.; Department of Energy; October, 1986 to October, 1987.
Principal Investigators:  J. Sankar (PI) and V. S. Awa
$200,000 #1 9X-89687C

“Testing and Evaluation of Dynamic Tensile Properties of Magnesium Based Metal Matrix Composite Materials”; Battelle, Pacific Northwest Laboratories; February,1987 to September,1987.
Principal Investigator:  J. Sankar (PI), V. S. Awa and A. D. Kelkar
$25,000  #B-Q7260-A-P

“Micro/Macro Studies of Fiber-Reinforced Composite Materials”; Office of Naval Research /URlP; September 1986 to September, 1992.
Principal Investigators:  V. S. Avva (PI), G. J. Filatovs, V. Kabadi, A. D. Kelkar,
R. Sadler and J. Sankar
$2,250,000  #NOOO14-86-K-0682

“Room Temperature and High Temperature Tension Characteristics of Silicon Nitride”; Martin Marietta Energy Systems, Inc.; Department of Energy; November, 1987 to October, 1988.
Principal Investigators:  J. Sankar (PI), V. S. Awa and A. D. Kelkar
$200,000  #19X-89687C

“Fracture Toughness Studies of High Strength Materials”, Martin Marietta Energy Systems, lnc.; February, 1989 to September, 1990.
Principal Investigator: A. D. Kelkar (PI) and J. Sankar
$100,000  19Y-HB686C

“High Temperature Uniaxial Creep Studies in Silicon Nitride Materials”; Martin Marietta Energy Systems, Inc.; Department of Energy; November 1989 to October, 1990.
Principal Investigators:  J. Sankar (PI) and A. D. Kelkar
$200,000  19X-89687C

“A Study on the Yield Phenomenon of Tantalum”; U. S. Army; ARDEC; August, 1992 to December,1992.
PrincipaI Investigators:  J. Sankar
$25,000  DAAA-21-92M-3768

“Mechanical Properties Testing of Ceramic Fiber-Ceramic Matrix Composites”; Martin Marietta Energy Systems, Inc; Department of Energy; March,1989 to December,1993.
Principal Investigators:  J. Sankar (PI) and A. D. Kelkar
$200,000  19X-5C423V

“High Temperature Fatigue-Creep Tension Characteristics of Silicon Nitride”; Martin Marietta Energy Systems, Inc.; Department of Energy; November, 1990 to September, 1994.
Principal Investigators:  J. Sankar (PI) and A. D. Kelkar
$400,000  19X-89687C

“Testing and Mechanical Properties Characterization of New High Temperature Materials”; Naval Air Development Center; Department of Navy, PA; September, 1990 to August, 1994.
Principal Investigators:  J. Sankar (PI) and A. D. Kelkar
$140,000  N62269-90-C-0268

“Analysis of Composite Laminates Subjected to Low Velocity Impact Loading”; Wright Laboratories, WPAB; August,1990 to May, 1994.
Principal Investigators:  A. D. Kelkar (PI), J. Sankar and W. J. Craft
$365,000  F33615-90-C-3207

“High Temperature Creep and Cyclic Behavior of PY6-Silicon Nitride at Elevated Temperature”; Martin Marietta Energy Systems; Department of Energy; October, 1993 to September,1994.
Principal Investigators:  J. Sankar (PI) and A. D. Kelkar
$200,000 I 9X-89687C

 “Effect of Sample Size and Finish on the Tensile Characteristics of Continuous Filament Ceramic Composites”, U. S. Department of Energy; September,1993 to September,1995.
Principal Investigators:  J. Sankar (PI) and A. D. Kelkar
$100,000  DE-FGOS-930R221 19

“Mechanical Behavior Investigation of Advanced Ceramic Matrix Composite Materials”; U. S. Airforce Office of Scientific Research (AFOSR); September,1993 to September,1994.
Principal Investigators:  J. Sankar (PI) and A. D. Kelkar
$139, 410  F49620-93-1-0573

“High-Temperature Fatigue-Creep Tension Characteristics of Silicon Nitride,” Martin Marietta Energy Systems, Inc., Department of Energy; November,1992 to November,1994,
Principal Investigators:  J. Sankar (PI) and A. D. Kelkar
$400,000  19X-89687C

“Testing and Evaluation of Advanced Ceramics at High Tempertures in Uniaxial Tension,” Martin Marietta Energy Systems, Inc., Department of Energy, Oak Ridge,TN; November,1994 to December,1995
Principal Investigators:  J. Sankar (PI) and A. D. Kelkar
$200,000  38X-89687C

“High Temperature Mechanical and Microstructural Characteristics of Ceramic
Materials; Lockheed Martin/DoE, October 1995-December 1997.
Principal Investigators:  J. Sankar (PI) and A. D. Kelkar
$500,000  38X-89687C

A New Mechanistic Constitutive Model for High Temperature CMC’s Under Monotonic and Cyclic Loading; NASA-Lewis; October 1995-December 1997.
Principal Investigators:  J. Sankar (PI) and A. D. Kelkar
$50,000  NAS3-27767

A New Mechanistic Constitutive Model for High Temperature CMC’s Under Monotonic and Cyclic Loading;; NASA- Glenn,  November 1997- August 1999.
Principal Investigators:  J. Sankar (PI) and A. D. Kelkar
$60,000  NAS#-96055

Ronald E. McNair Graduate Research Fellows Program; NASA; August 1995-August 1998.

Pricipal Investigators: C.Meyers (PI), C., Kelly, andJ. Sankar,.
$970,500;

Analysis of Composites Laminates Subjected to low Velocity Impact Loading;); Wright Laboratories;, September 1991-December 1997.
Principal Investigators: A.D. Kelkar (PI) and J. Sankar,
$504,084  F-33615-90-C-3207

High Temperature Mechanical and Microstructural Characteristics of Ceramic Materials;Lockheed Martin/DoE; October 1997-December 1999.
Principal Investigators:  J. Sankar (PI), A. D. Kelkar and D.Pai
$500,000  49X-89687C

CREST/MRSEC Connectivity Research on Defect Reduction and Ohmic Contacts in III-V Nitrides and Related Compounds, NSF, .Sep 1997- Feb 1999.
Principal investigators: J.  Sankar
$100,000  HRD-9706680

CREST/MRSEC Connectivity Research on Defect Reduction III-V Nitrides and Compounds, NSF. Oct 1998- Feb 2000.
Principal Investigators: J.  Sankar
$50,000  HRD-9706680

Center for Advanced Materials and Smart Structures. CREST-NSF, Sept 1997-August 2002
Principal Investigators:   J. Sankar, (PD and P1), D.Pai, G. Filatovs, M.Schulz, S. Ofori, W. Craft, D. Klett, D.Dunn, A. Kelkar, W. Collis, C.Lee, C. Yu and S. Iyer.
$5,000,000.  HRD-9706680

Intelligent Resin Transfer Molding for Integral Armor Applications, Department of Defense; September 1995-August 2001.
Principal Investigators:   A.D Kelkar (P1), and J. Sankar
$800,000  DAAH04-95-1-0369 

High Temperature Mechanical and Microstructural Characteristics of Ceramic
Materials, Lockheed Martin/DoE; December 1999 – May 2001
Principal Investigators:  J. Sankar (P1), A.D. Kelkar,andD. Pai.
$200,000  X-89687C

Survivability of Affordable Aircraft Composites Structures, WPAFB, OH, Oct 1999- Sept 2002
Principal Investigators:  A.D. Kelkar(P1) and J. Sankar.
$75,000  F33615-99-C-3608

An Experimental and Analytical Investigation of Continuous Fiber Matrix Composites Coated for High survivability, Wright -Patterson AFB, OH, Nov 1999 - Aug 2002
Principal Investigators:  D. Pai (PI), J. Sankar and A.D. Kelkar.
$247,539  F33615-99-C-5212

A Pulsed Laser Deposition Facility for the Synthesis of Novel Surface Engineered and Electronic Ceramic Materials, AFOSR, Sep 2000 – Aug 2001
Principal Investigators: J.  Sankar (PI) and et al from the CoE and Arts and Science
$200,000  F49620-00-1-0366

Many proposals under review at different agencies and organizations both as PI, Co-PI and under the Center infrastructure
 
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