David Ray Johnson
Profile
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OrganizationPurdue University
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ORCID0000-0003-1857-6801
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Biography
Professor Johnson has been on the faculty in Purdue’s School of Materials Engineering since 1998, after four years on research staff at Kyoto University in Japan. He holds two graduate degrees in metallurgical engineering (M.S.E, 1990; Ph.D., 1994) and a B.S. in engineering science and mechanics (1987), all from the University of Tennessee. He works on development and processing of high temperature structural materials, including the development of specialized solidification processing techniques to grow single crystals of high temperature alloys with exceptional purity. The study of microstructural development in solidification and homogenization through modeling and experiment has been a recent focus. Other work examines the development of new light metal alloys, understanding defect formation during solidification, and aluminum extrusion. He has taught courses on solidification processing, high temperature deformation mechanisms, fracture, mechanical behavior of materials, materials property measurements, and numerical methods.