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ME Special Seminar: Addis Kidane "Mechanics of Materials at Extreme Conditions"
Thursday, February 8, 2018
10:00 a.m.
2164 Martin Hall, DeWALT Seminar Room
For More Information:
http://www.enme.umd.edu/events/seminars

ME SPECIAL SEMINAR SERIES

Speaker: Addis Kidane
Associate Professor
Department of Mechanical Engineering
University of South Carolina

MECHANICS OF MATERIALS AT EXTREME CONDITIONS: THE EFFECT OF STRAIN RATE & MESO SCALE APPROACH

February 8, 2018 | 12:00 PM | DeWalt Seminar Room, 2164 Martin Hall

Abstract:

Understanding the failure mechanisms of materials at extreme condition is essential and at the same time challenging. There have been different approaches proposed over the years to studying materials response at extremely aggressive environment, for example high pressure, ultrahigh temperature. With the advent of high speed imaging systems and computer processing power, one can study the failure mechanisms at such a high events by carefully analyzing the digital images taken during testing. We used a digital image based approach to understand the fundamental deformation and failure mechanism of materials at different loading conditions, at different time and length scale and at range of temperatures. In this talk, our recent work progress will be highlighted and different examples, such as the compaction wave propagation and multiscale failure mechanisms in PBX, shock loading of rigid foams, the effect of strain rate on grain level deformation of polycrystalline metals and graded cellular materials and high temperature deformation of metals, will be presented.

 

More info at: www.enme.umd.edu/events/seminars

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