The potential for ordered grain boundary sliding in nanocrystalline palladium

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	The potential for ordered grain boundary sliding in nanocrystalline palladium
	Y. C. Wang; D. H. Ping; D. X. Li
	2008
发表期刊	Philosophical Magazine Letters
ISSN	0950-0839
卷号	88 期号:5 页码:343-351
摘要	In nanocrystalline (nc) materials, the misfit of lattice structures at the junctions of grain boundaries (GBs) generally increases local stresses that can be released by GB sliding. In this article, the sliding behaviors of the ordered Sigma = 3 (111) [110] GB (twin) and Sigma = 11(113) [110]GB in nc palladium have been investigated by means of high-resolution transmission electron microscopy observations and molecular statics calculations. It is found that the twin boundary (TB) can release either large stresses by sliding with a DSC-lattice vector of 1/6 [112] or small stresses by sliding over an imperfect vector. The observed Sigma = 11 GB image is exactly symmetrical from which we can clearly identify no GB sliding along the [332] direction, but we cannot determine a sliding component along the [110] direction. The image simulations indicate that the latter is experimentally unidentifiabl e.
部门归属	[wang, y. c.; ping, d. h.; li, d. x.] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china.;wang, yc (reprint author), chinese acad sci, inst met res, shenyang natl lab mat sci, wenhua rd 72, shenyang 110016, peoples r china;wangyc@imr.ac.cn
关键词	Hrtem Image Simulation Grain Boundary Sliding Twin Boundary Molecular Statics Molecular-dynamics Simulation Dislocations Deformation Metals Tilt Strength Motion Copper Hrem Al
URL	查看原文
WOS记录号	WOS:000256968500004
引用统计	被引频次：2[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/33163
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	Y. C. Wang,D. H. Ping,D. X. Li. The potential for ordered grain boundary sliding in nanocrystalline palladium[J]. Philosophical Magazine Letters,2008,88(5):343-351.
APA	Y. C. Wang,D. H. Ping,&D. X. Li.(2008).The potential for ordered grain boundary sliding in nanocrystalline palladium.Philosophical Magazine Letters,88(5),343-351.
MLA	Y. C. Wang,et al."The potential for ordered grain boundary sliding in nanocrystalline palladium".Philosophical Magazine Letters 88.5(2008):343-351.