期刊
MATERIALS CHARACTERIZATION
卷 75, 期 -, 页码 129-137出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.matchar.2012.10.008
关键词
Accumulative roll bonding; Aluminum; Single crystal; Rolling; Local texture
类别
资金
- Light Metal Educational Foundation, Inc.
- Ministry of Education, Culture, Sports, Science and Technology of Japan
A pure aluminum single crystal with (112) [11 - 1] orientation was deformed by nine cycles of conventional rolling and accumulative roll bonding (ARB) which corresponded to a rolling strain (epsilon) of 7.18. (4 4 11) [11 11 -8] was the main component of the deformation texture. Between the third and seventh cycles (epsilon=2.4-5.6), (4 4 11) [11 11 -8] oriented areas existed stably in the center layer, and this stability could be rationalized by the crystal rotation mechanism reported by Kamikawa et al. and Heason et al. The deformation texture after the ninth cycle included (4 4 11) [11 11-8] and (-4-4 11) [11 11 8] components. The formation of the (-4-4 11) [11 11 8] orientation was attributed to crystal rotation from (001) [110], which was formed in the lower surface layer after the seven cycle under lubrication conditions. (C) 2012 Elsevier Inc. All rights reserved.
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