Investigation of grain boundary activity in nanocrystalline Al under an indenter by using a multiscale method

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	Investigation of grain boundary activity in nanocrystalline Al under an indenter by using a multiscale method
	Y. F. Shao ; X. Yang ; X. Zhao ; S. Q. Wang
刊名	Chinese Physics B
	2012
卷号	21 期号:8
关键词	multiscale simulation nanocrystalline materials grain boundaries dislocations molecular-dynamics simulation quasi-continuum method dislocation nucleation atomistic simulations mechanical-behavior room-temperature nanoscale twins deformation nanoindentation aluminum
ISSN号	1674-1056
中文摘要	Grain boundary activity in nanocrystalline Al under an indenter is studied by using a multiscale method. It is found that grain boundaries and twin boundaries can be transformed into each other by emitting and absorbing dislocations. The transition processes might result in grain coarsening and refinement events. Dislocation reflection generated by a piece of stable grain boundary is also observed, because of the complex local atomic structure within the nanocrystalline Al. This implies that nanocrystalline metals might improve their internal structural stability with the help of some special local grain boundaries.
原文出处	://WOS:000307501600021
公开日期	2013-02-05
内容类型	期刊论文
源URL	[http://ir.imr.ac.cn/handle/321006/60213]
专题	金属研究所_中国科学院金属研究所
推荐引用方式 GB/T 7714	Y. F. Shao,X. Yang,X. Zhao,et al. Investigation of grain boundary activity in nanocrystalline Al under an indenter by using a multiscale method[J]. Chinese Physics B,2012,21(8).
APA	Y. F. Shao,X. Yang,X. Zhao,&S. Q. Wang.(2012).Investigation of grain boundary activity in nanocrystalline Al under an indenter by using a multiscale method.Chinese Physics B,21(8).
MLA	Y. F. Shao,et al."Investigation of grain boundary activity in nanocrystalline Al under an indenter by using a multiscale method".Chinese Physics B 21.8(2012).