MSE Seminar Series: Amit Misra, University of Michigan

Friday, September 22, 2017
1:00 p.m.
2110, Chemical and Nuclear Engineering Building
Gary Rubloff

Title: Designing Metallic Nanolayered Composites for High Strength and Damage Tolerance

Speaker: Amit Misra
Department of Materials Science and Engineering
University of Michigan, Ann Arbor, MI

: Nanolayered composites such as Cu-Nb are used as model systems to explore the interaction of interphase boundaries with defects introduced via plastic deformation or ion irradiation. The results of these experimental studies are integrated with atomistic modeling and dislocation theory to provide insight into the unprecedented combination of properties achieved in certain nanolayered composites such as ultra-high flow strengths, high plastic flow stability, high fatigue strength, high thermal stability, high sink strength for radiation-induced point defects and trapping of helium in the form of stable clusters at interfaces. The results on “bottom-up” synthesized model systems are compared with “top down” accumulative roll bonding (ARB) processed bulk Cu-Nb nanolayered composites.  A quantification of the defect-interface interactions as well as the processing-interface structure relationship allows the development of materials design concepts with controlled interface structures in nanocomposites to achieve tailored response in engineering applications.

Bio: Misra is Professor and Chair of the Department of Materials Science and Engineering (MSE) at the University of Michigan, Ann Arbor since 2014. Prior to that he worked at Los Alamos National Laboratory, New Mexico (LANL) from 1996 to 2014. At LANL, his most recent appointment was as the Director of a US Department of Energy, Office of Basic Energy Sciences (DOE/BES) funded Energy Frontier Research Center (EFRC) titled Center for Materials at Irradiation and Mechanical Extremes.  Professor Misra has a PhD in Materials Science and Engineering from University of Michigan (1994) and BS in Metallurgical Engineering (1989) from IIT-BHU, India. He is a naturalized citizen of USA. His primary research expertise is in design of advanced structural metallic materials for tailored response in extreme environments for next-generation of automotive, aerospace, defense and nuclear energy technologies. He has mentored over 30 early career scientists and engineers (postdocs and graduate students). He has co-authored over 300 peer-reviewed publications. His honors include being Fellow of: the Materials Research Society (MRS), class of 2016, the American Society of Metals (ASM) International, class of 2011, Los Alamos National Laboratory, class of 2011; holding LANL Fellows’ Prize for outstanding research in nanomechanics, 2008; serving as the editor of Materials Research Letters, and an editorial board member of MRS Bulletin, among many others.

Audience: Public 

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