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Materials 2014, 7(1), 302-322; doi:10.3390/ma7010302
Article

The Influence of Grain Interactions on the Plastic Stability of Heterophase Interfaces

* ,
,
 and
Theoretical Division, Los Alamos National Laboratory, Los Alamos, NM 87545, USA
* Author to whom correspondence should be addressed.
Received: 1 November 2013 / Revised: 13 December 2013 / Accepted: 17 December 2013 / Published: 13 January 2014
(This article belongs to the Special Issue Computational Modeling and Simulation in Materials Study)
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Abstract

Two-phase bimetal composites contain both grain boundaries and bi-phase interfaces between dissimilar crystals. In this work, we use a crystal plasticity finite element framework to explore the effects of grain boundary interactions on the plastic stability of bi-phase interfaces. We show that neighboring grain interactions do not significantly alter interface plastic stability during plane strain compression. The important implications are that stable orientations at bimetal interfaces can be different than those within the bulk layers. This finding provides insight into bi-phase microstructural development and suggests a pathway for tuning interface properties via severe plastic deformation.
Keywords: crystal plasticity; rolling texture; nanolamellar composites; interface stability; grain interactions crystal plasticity; rolling texture; nanolamellar composites; interface stability; grain interactions
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Mayeur, J.R.; Beyerlein, I.J.; Bronkhorst, C.A.; Mourad, H.M. The Influence of Grain Interactions on the Plastic Stability of Heterophase Interfaces. Materials 2014, 7, 302-322.

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