期刊
MATERIALS
卷 7, 期 1, 页码 302-322出版社
MDPI AG
DOI: 10.3390/ma7010302
关键词
crystal plasticity; rolling texture; nanolamellar composites; interface stability; grain interactions
类别
资金
- Center for Materials at Irradiation and Mechanical Extremes, an Energy Frontier Research Center - US Department of Energy, Office of Science, Office of Basic Energy Sciences [2008LANL1026]
- National Nuclear Security Administration of the US Department of Energy [DE-AC52-06NA25396]
- Los Alamos National Laboratory Directed Research and Development (LDRD) [DR20110029]
- DOE [DE AC52 06NA25396]
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.
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