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Phase Mixture Models for Metallic Materials with Submicrometer Grain Size

Published online by Cambridge University Press:  01 February 2011

Yuri Estrin,
Hyoung Seop Kim and
Mark Bush
Yuri Estrin
Affiliation:
Department of Materials Science and Technology, Clausthal University of Technology, Agricolastr. 6, D-38678 Clausthal-Zellerfeld, GERMANY
Hyoung Seop Kim
Affiliation:
Department of Metallurgical Engineering, Chungnam National University, Daejeon, 305–764, KOREA
Mark Bush
Affiliation:
School of Mechanical and Materials Engineering, The University of Western Australia, 35 Stirling Hwy, Crawley, WA 6009, AUSTRALIA
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Abstract

Phase mixture models describing the mechanical properties of submicrometer grained metals are presented. In this approach, grain boundaries or cell walls are treated as a separate phase. Two cases are considered: the mechanical response of an ultrafine grained material and the process of grain refinement by equal channel angular pressing. Model predictions with regard to the evolution of the microstructure, strength and texture are verified for Cu.

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References

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