|
|
Prof. Chris Weyant
|
|
| |
Faculty (CTSR) |
|
|
|
|
|
| |
Contact: |
Room No. 130, Heavy Engineering building
Stony Brook University, NY 11794, USA.
Email: christopher.weyant@stonybrook.edu
Ph: 631-631-4701 |
| Education |
Ph.D. Materials Science and Engineering (2004)
Northwestern University, USA
M.S. Materials Science and Engineering (1999)
University of Virginia, USA
B.S. in Engineering Science (1996)
Pennsylvania State University |
 |
| Home Page |
Experience
- Asst. Professor, Stony Brook University (2008-present)
- Research Associate, Northwestern University (2006-2008
- Scientist, Honeywell Advanced Materials and Processes Laboratory (2005-2006)
- Postdoctoral Appointee, Thermal Spray Research Lab, Sandia National Laboratories (2004-2005)
- Materials Engineer, Capstone Turbine Corporation (1998-2000)
|
Current Research
My research focuses on thermal spray coatings in three primary areas:
- Thermal and environmental protection in gas turbine engines operated using alternative fuels
- Bioactive coatings for implants
- Wear and corrosion resistant coatings for applications where tribocorrion prevention is required
Overall, my research is motivated by investigating the materials science of thermally sprayed coatings in which links between processing, microstructure, properties, and performance are determined. From this basis, improvements can be made in processing to enhance the performance of components through surface modification. Thermal spray processing allows for deposition of thick films of almost any material (metals, ceramics, and polymers) allowing us to explore unique solutions in areas involving thermal management, environmental protection, wear resistance, biocompatibility, and energy efficiency. By investigating material properties, including mechanical properties via indentation techniques, phase and residual stress distributions via transmission synchrotron X-ray diffraction, and wear and corrosion properties via tribology and electrochemical experiments, a greater understanding of thermal spray science and it relationship to materials science is achieved.
Publications, Presentations, and Patents
Publications
- C. M. Weyant, J. Almer, and K. T. Faber, “Localized Mechanical Response in a Thermal Barrier Coating System Determined Using High-Energy X-rays,” in process.
- C. M. Weyant, J. Almer, and K. T. Faber, “Through-Thickness Determination of Phase Composition and Residual Stresses in Thermal Barrier Coatings Using High-Energy X-rays,” in process.
- B. J. Harder, J. Almer, C. M. Weyant, K. N. Lee, and K. T. Faber, “Residual Stress Analysis of Multilayer Environmental Barrier Coatings,” submitted to Journal of the American Ceramic Society.
- C. M. Weyant and K. T. Faber, “Processing-Microstructure Relationship for Plasma-Sprayed Yttrium Aluminum Garnet,” Surface and Coatings Technology, Vol. 202, p 6081-6089, 2008.
- J. D. Almer, D. J. Liu, B. Harder, and C. M. Weyant, “High-Energy X-ray Measurements of Layered Systems for Energy Applications,” Proceedings of the 29th Risø International Symposium on Materials Science: Energy Materials – Advances in Characterization, Modeling and Application, Roskilde, Denmark, September 2008.
- K. T. Faber, C. M. Weyant, B. J. Harder, K. N. Lee, and J. D. Almer, “Internal Stresses and Phase Stability in Multiphase Environmental Barrier Coatings,” International Journal of Materials Research, Vol. 12, 2007.
- A. C. Hall, C. M. Weyant, J. L. Wise, C. A. Hall, S. C. Jones, D. A. Urrea, J. F. McCloskey, J. W. Cates, T. J. Roemer, A. J. Mayer, D. E. Beatty, and D. A. Hirschfeld, "Graded Coatings for Light Gas Gun Flyer Plate Applications," Proceedings of the 2006 International Thermal Spray Conference (CD-ROM), ASM International, Eds. B.R. Marple, M.M. Hyland, Y.-C. Lau, R.S. Lima, and J. Voyer, 2006.
- C. M. Weyant, K. T. Faber, J. V. Guiheen, and J. D. Almer, “Residual Stress and Microstructural Evolution in Environmental Barrier Coatings of Tantalum Oxide Alloyed with Aluminum Oxide and Lanthanum Oxide,” Journal of the American Ceramic Society, Vol. 89 (3), 2006.
- C. M. Weyant, K. T. Faber, J. V. Guiheen, and J. D. Almer, “Residual Stress and Microstructural Evolution in Tantalum Oxide Coatings on Silicon Nitride,” Journal of the American Ceramic Society, Vol. 88 (8), 2005.
- M. Moldovan, C. M. Weyant, D. Lynn Johnson, and K. T. Faber, “Tantalum Oxide Coatings as Candidate Environmental Barriers,” Journal of Thermal Spray Technology, Vol. 13 (1), 2004.
- R. G. Kelly, J. Yuan, C. M. Weyant, and K. S. Lewis, “Application of capillary electrophoresis in corrosion science and engineering,” Journal of Chromatography A, Vol. 834, 1999.
- R. G. Kelly and C. M. Weyant, “Atmospheric Corrosivity Control Via Surface Active Papers,” Proceedings of Corrosion and Reliability of Electronic Materials and Devices, Electrochemical Society, Eds. R. B. Comizzoli, R. P. Frankenthal, and J. D. Sinclair, 1999
Presentations
- C. M. Weyant, “High Energy X-ray Diffraction Studies of Mechanically-Loaded Plasma-Sprayed Thermal Barrier Coatings,” Invited talk at Users Week Workshop on Diffraction Studies of Structural and Mechanical Properties at the Advanced Photon Source, Argonne National Laboratory, May 2008.
- C. M. Weyant and K. T. Faber, “Multi-Phase Stresses in Environmental Barrier Coatings for High-Temperature Ceramics,” Gordon Research Conference on Solid State Studies of Ceramics poster presentation, August 2007.
- C. M. Weyant, K. T. Faber, J. V. Guiheen, and J. D. Almer, “Residual Stresses in Tantalum Oxide-Based Plasma-Sprayed Environmental Barrier Coatings,” American Ceramic Society presentation, April 2004.
- C. M. Weyant, K. T. Faber, J. V. Guiheen, and J. D. Almer, “Phase and Microstructural Evolution in Tantalum Oxide-Based Plasma-Sprayed Environmental Barrier Coatings,” American Ceramic Society poster, April 2004.
- C. M. Weyant, M. Moldovan, D. Lynn Johnson, K. T. Faber and J. D. Almer, “Tantalum Oxide Coatings for Environmental Barriers,” International Thermal Spray Conference presentation, May 2003.
- C. M. Weyant and K. T. Faber, “Residual Stress Analysis of Environmental Barrier Coatings for Energy Efficient Heat Engines,” American Ceramic Society poster presentation, April 2002.
- C.M. Weyant and R. G. Kelly, “An Investigation of the Mitigation of Atmospheric Corrosion by Surface Active Papers,” Gordon Research Conference on Aqueous Corrosion poster presentation, July 1998.
- C.M. Weyant and R. G. Kelly, “An Investigation of the Mitigation of Atmospheric Corrosion by Surface Active Papers,” National Association of Corrosion Engineers poster presentation, March 1997.
Patents
- C. M. Weyant, “Fiber Matrix Composites Formed Using Thermal Spray Processing”, U.S. Patent Application (Honeywell)
- C. M. Weyant, “Thermally Sprayed Structures for Foil Bearings”, U.S. Patent Application (Honeywell)
|
|
|
|
| |
|
| |
|
| |
|
| |
|
| |
|
| |
|
| |
|
| |
|
| |
|
| |
|
| |
|
| |
|
| |
|
| |
|
| |
|
| |
|
| |
|
|
| |
|
|
