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[2015 03 11] 특별세미나 (BK21PLUS) Prof. Gerhard Dehm

Small Scale Mechanical Testing: More than just a fashionably tool?!

MSE Graduate Students and Researchers

관리자 | 2015.02.26 16:19 | 조회 3303


Reception: MSE Graduate Students and Researchers

Reference: MSE Professors

Subject:  MSE/BK21PLUS Special Seminar_Prof. Yabing Qi

Date: 2015. 03. 11 (Wed), 15:30 ~

Place: Conference room D (POSCO International Center, 2th floor)

Title: Small Scale Mechanical Testing: More than just a fashionably tool?!

Speaker: Prof. Gerhard Dehm (Director, Max-Planck-Institut für Eisenforschung GmbH, Düsseldorf)

Host of Seminar: Prof. Sang Ho Oh (279-2144)

 

Abstract:

In the last decade miniaturized mechanical compression, tension and bending experiments have been developed using focused ion beam milling or lithographic processes to fabricate small samples from thin films and/or bulk materials. Many of the experiments provided new insights on the interplay of sample dimensions, dislocation density, and mechanical strength of single crystals. However, miniaturized mechanical testing also suffers from limitations which may lead to misinterpretations. In this talk a critical overview on the challenges of micro-mechanical testing is provided. Additionally, current examples of micro-mechanical bending, compression and tension experiments combined with electron microscopy and/or µLaue investigations are presented with the aim to shed light on the deformation mechanisms at interfaces in materials.
 

  Department of Materials Science and Engineering / MSE BK21+

  Max Planck Korea/POSTECH Research Initiative





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