The orientation and temperature dependences of dislocation velocity in Ni3Al single crystals

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	The orientation and temperature dependences of dislocation velocity in Ni3Al single crystals
	Z. F. Zhang; C. B. Jiang; S. D. Wu; S. Patu
	2003
发表期刊	Philosophical Magazine Letters
ISSN	0950-0839
卷号	83 期号:9 页码:563-568
摘要	The average velocities of screw dislocations in Ni3Al single crystals have been directly measured as a function of resolved shear stress (RSS) and orientation in the temperature domain of the flow stress anomaly using the etch-pit technique. The velocity was found to be extremely sensitive to the RSS in all cases. In contrast with ordinary metals, the screw dislocation velocities in Ni3Al show anomalous behaviour; under a constant RSS, the velocities decrease dramatically with increasing temperature. Furthermore, the velocities and the tension compression asymmetry of the velocities depend on the orientation of applied stress.
部门归属	chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china.;patu, s (reprint author), chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china
关键词	Alloys Mobility
URL	查看原文
WOS记录号	WOS:000184920300004
引用统计	被引频次：1[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/321006/36192
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	Z. F. Zhang,C. B. Jiang,S. D. Wu,et al. The orientation and temperature dependences of dislocation velocity in Ni3Al single crystals[J]. Philosophical Magazine Letters,2003,83(9):563-568.
APA	Z. F. Zhang,C. B. Jiang,S. D. Wu,&S. Patu.(2003).The orientation and temperature dependences of dislocation velocity in Ni3Al single crystals.Philosophical Magazine Letters,83(9),563-568.
MLA	Z. F. Zhang,et al."The orientation and temperature dependences of dislocation velocity in Ni3Al single crystals".Philosophical Magazine Letters 83.9(2003):563-568.