Cyclic Deformation Behaviors of (5)over-bar579 -Oriented Al Single Crystals

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	Cyclic Deformation Behaviors of (5)over-bar579 -Oriented Al Single Crystals
	P. Li; S. X. Li; Z. G. Wang; Z. F. Zhang
	2010
发表期刊	Metallurgical and Materials Transactions a-Physical Metallurgy and Materials Science
ISSN	1073-5623
卷号	41A 期号:10 页码:2532-2537
摘要	During the cyclic deformation of [(5) over bar 79, Al single crystals with a high stacking fault energy produced slip bands that were characterized by wavy slip. Its cyclic stress response curve demonstrated that the specimen experienced hardening-softening-secondary hardening in sequence with repeated fluctuation stresses usually less than 10 MPa, which is far lower than those of Cu, Ni, and Ag single crystals. Finally, the whole surface of the Al single crystals was covered with intense intrusion and extrusion, and the cell structure is the most typical dislocation arrangement. These cells mainly comprise loose clusters of dislocations, which move more freely. In the center of the cell, the dislocation density is relatively low, and most dislocations concentrate in the cell wall. At room temperature, compared with cyclically deformed Cu, Ni, and Ag single crystals, the cyclic deformation behaviors of Al single crystals show significant differences, which are highlighted in this study.
部门归属	[li, peng; li, shouxin; wang, zhongguang; zhang, zhefeng] chinese acad sci, shenyang natl lab mat sci, inst met res, shenyang 110016, peoples r china.;li, p (reprint author), chinese acad sci, shenyang natl lab mat sci, inst met res, shenyang 110016, peoples r china;pli@imr.ac.cn
关键词	Plastic Strain Amplitudes Dislocation-structures Fatigue Damage Room-temperature Pure Aluminum Crystallographic Orientation Elevated-temperatures Saturation Stress Copper Slip
URL	查看原文
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/31226
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	P. Li,S. X. Li,Z. G. Wang,et al. Cyclic Deformation Behaviors of (5)over-bar579 -Oriented Al Single Crystals[J]. Metallurgical and Materials Transactions a-Physical Metallurgy and Materials Science,2010,41A(10):2532-2537.
APA	P. Li,S. X. Li,Z. G. Wang,&Z. F. Zhang.(2010).Cyclic Deformation Behaviors of (5)over-bar579 -Oriented Al Single Crystals.Metallurgical and Materials Transactions a-Physical Metallurgy and Materials Science,41A(10),2532-2537.
MLA	P. Li,et al."Cyclic Deformation Behaviors of (5)over-bar579 -Oriented Al Single Crystals".Metallurgical and Materials Transactions a-Physical Metallurgy and Materials Science 41A.10(2010):2532-2537.