
Bio
Professional Interests:
Ceramics, glasses, and brittle material:
- Contact (e.g., Hertzian) response,
- Compression response,
- Sintering,
- Ceramic powder characterization,
- Failure stress and its probabilistic distribution (e.g., Weibull),
- Failure analysis and fractography,
- High-temperature response,
- Mechanical test and analysis methods, and
- Composite material theory and practice.
Professional Experience
Distinguished Scientist [1/2009 - present]
Mechanical Properties and Mechanics, Materials in Extremes Section, Materials Science and Technology Division, Oak Ridge National Laboratory, Oak Ridge, TN
Joint Faculty Professor [2/2014 - present]
Materials Science and Engineering Department, University of Tennessee, Knoxville, TN
Senior Staff Scientist [9/2002 - 12/2008]
Ceramic Science and Technology Group, Materials Science and Technology Division, Oak Ridge National Laboratory, Oak Ridge, TN
Adjoint Faculty [1/2006 - 2/2014]
Department of Mechanical Engineering, Vanderbilt University, Nashville, TN 37235
Materials Engineer DB III & IV [5/2000 - 8/2002]
Emerging Materials and Analysis Team, Metals and Ceramics Research Branch, Weapons and Materials Research Directorate, U.S. Army Research Laboratory, Aberdeen Proving Ground, MD
Staff Development Engineer I & II [9/1992 - 5/2000]
Mechanical Characterization & Analysis Group, High Temperature Materials Laboratory, Metals and Ceramics Division, Oak Ridge National Laboratory, Oak Ridge, TN
Development Associate III [11/1991 - 9/1992]
Mechanical Characterization & Analysis Group, High Temperature Materials Laboratory, Metals and Ceramics Division, Oak Ridge National Laboratory, Oak Ridge, TN
Awards
- Fellow, American Ceramic Society (ACerS), 2011-present.
- Senior Member, Institute of Electrical and Electronics Engineers (91做厙), 2014-2018.
- DOE Vehicle Technologies Office R&D Award, DOE/EERE AMR, 2014.
- John F. McMahon Lecturer, Alfred University, Alfred, NY, 2012.
- American Ceramic Societys Richard M. Fulrath Award Winner, 2008.
- Honorary Member, DCERN, Ministry of Defence, United Kingdom.
Education
- Ph. D., Materials Science and Engineering, University of Delaware, Newark, Delaware, 1992.
- B. S., Ceramic Engineering, Alfred University, Alfred, New York, 1987.
Professional Service
- ACerS Engineering Ceramics Division (ECD) Officer Positions:
- Awards Chair (2004-2005)
- Secretary (2005-2006)
- Vice-Chair & Treasurer (2006-2007)
- Chair-Elect (2007-2008)
- Chair (2008-2009)
- Advisor (2009-2011)
- Sub-Chair, American Society for Testing and Materials (ASTM), C28.04
- Associate Editor, International Journal of Applied Glass Science (IJAGS)
Professional Affiliations
- American Ceramic Society (Engineering Ceramics Division, Glass and Optical Materials Division, and Refractories Division.
- ASTM
Trademarks and Patents
34 patents, copyrights, and invention disclosures.
Publications
Spherical Indentation and Implementation of S3/P for yield stress determination of brittle materials
Other Publications
- > 85 peer-reviewed journal articles
- > 80 conference proceedings
- 4 book chapters
- > 90 unclassified and classified reports
- > 125 presentations