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Coupled Simulations of Mechanical Deformation and Microstructural Evolution Using Polycrystal Plasticity and Monte Carlo Potts Models

Published online by Cambridge University Press:  10 February 2011

C.C. Battaile ,
T.E. Buchheit ,
E.A. Holm ,
G.W. Wellman  and
M.K. Neilsen
C.C. Battaile
Affiliation:
Sandia National Laboratories, Albuquerque, NM 87185-1411, ccbatta@sandia.gov
T.E. Buchheit
Affiliation:
Sandia National Laboratories, Albuquerque, NM 87185-1411, ccbatta@sandia.gov
E.A. Holm
Affiliation:
Sandia National Laboratories, Albuquerque, NM 87185-1411, ccbatta@sandia.gov
G.W. Wellman
Affiliation:
Sandia National Laboratories, Albuquerque, NM 87185-1411, ccbatta@sandia.gov
M.K. Neilsen
Affiliation:
Sandia National Laboratories, Albuquerque, NM 87185-1411, ccbatta@sandia.gov
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Abstract

The microstructural evolution of heavily deformed polycrystalline Cu is simulated by coupling a constitutive model for polycrystal plasticity with the Monte Carlo Potts model for grain growth. The effects of deformation on boundary topology and grain growth kinetics are presented. Heavy deformation leads to dramatic strain-induced boundary migration and subsequent grain fragmentation. Grain growth is accelerated in heavily deformed microstructures. The implications of these results for the thermomechanical fatigue failure of eutectic solder joints are discussed.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 538: Symposium J – Multiscale Modelling of Materials , 1998 , 269
Copyright
Copyright © Materials Research Society 1999

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