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Mechanical Engineering

Yuh J. Chao


chao E-mail:
Phone: 803.777.5869
Fax: 803.777.0106
Office: 300 Main Street
Room A123
Columbia, SC 29208
Links: Research

Dr. Chao's research and interests include theoretical and experimental studies on failure, fracture and fatigue of materials and structures, welding modeling for residual stress and distortion, impact mechanics for material characterization and failure criterion, biomechanics and nanomechanics, and the durability of PEM fuel cell systems.


  • Ph.D., University of Illinois, Urbana-Champaign, Illinois, 1981
  • M.S., National Tsing-Hwa University, Taiwan, 1977
  • B.S., National Cheng-Kung University, Taiwan,1975

Notable Recognition

  • Distinguished alumni award, Department of Mechanical Engineering, National Cheng-Kung University, 2015
  • John Ducate, Sr. Endowed Chair Professorship, USC, 1996-2013
  • Outstanding Technical Paper Award in ASME Pressure Vessels and Piping Division Conference 2009, Material and Fabrication Technical Committee
  • Fellow – Society of American Society of Mechanical Engineers, 2006
  • B.J. Lazan Award — Society for Experimental Mechanics, 2006
  • Hetenyi Award — Society for Experimental Mechanics, 2003
  • Fellow — Society for Experimental Mechanics, awarded 2000
  • Outstanding Presentation Award at the AeroMat 2000, the 11th Advanced Aerospace Materials and Processes Conference, June 26-29, 2000, Bellevue, Washington, by ASM International
  • Research Achievement Award, College of Engineering, USC, 1997
  • R.E. Peterson Award — Society for Experimental Mechanics, 1996
  • Research Fellow Award, Alexander von Humboldt Foundation, Germany, 1991

Selected Publications

  • M Yu, Z Luo, Yuh J. Chao, "Correlations between Charpy V-Notch impact energy and fracture toughness of nuclear reactor pressure vessel (RPV) steels", Engineering Fracture Mechanics 147, 187-202, 1,2015
  • M Yu, Yuh-Jin Chao, Z Luo, “An Assessment of Mechanical Properties of A508-3 Steel Used in Chinese Nuclear Reactor Pressure Vessels,” ASME Journal of Pressure Vessel Technology 137 (3), 031402,2, 2015
  • Z Luo, S Ao, Y. J. Chao, X Cui, Y Li, Y Lin, “Application of Pre-heating to Improve the Consistency and Quality in AA5052 Resistance Spot Welding,” Journal of Materials Engineering and Performance 24 (10), 3881-3891, 2015
  • ZH Zhang, WY Li, Y Feng, JL Li, Yuh J. Chao, “Global anisotropic response of friction stir welded 2024 aluminum sheets,” Acta Materialia 92, 117-125, 2015
  • Y Li, F Yan, Z Luo, Chao, Y. J., S Ao, X Cui, “Weld Growth Mechanisms and Failure Behavior of Three-Sheet Resistance Spot Welds Made of 5052 Aluminum Alloy,” Journal of Materials Engineering and Performance 24 (6), 2546-2555, 2015