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http://dx.doi.org/10.3795/KSME-A.2008.32.4.319

Study on the Void Growth and Coalescence in F.C.C. Single Crystals  

Ha, Sang-Yul (포항공과대학교 대학원)
Kim, Ki-Tae (포항공과대학교 기계공학과)
Publication Information
Transactions of the Korean Society of Mechanical Engineers A / v.32, no.4, 2008 , pp. 319-326 More about this Journal
Abstract
In this study, we investigate the deformation behavior of F.C.C. single crystals containing micro- or submicron-sized voids by using three dimensional finite element methods. The locally homogeneous constitutive model for the rate-dependent crystal plasticity is integrated based on the backward Euler method and implemented into a finite element program (ABAQUS) by means of user-defined subroutine (UMAT). The unit cell analysis has been investigated to study the effect of stress triaxiality and crystallographic orientations on the growth and coalescence of voids in F.C.C. single crystals.
Keywords
Crystal Plasticity; Void Growth and Coalescence; Crystallographic Orientation; Stress Triaxiality;
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Times Cited By KSCI : 1  (Citation Analysis)
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