Formation of fivefold deformation twins in an ultrafine-grained copper alloy processed by high-pressure torsion

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	Formation of fivefold deformation twins in an ultrafine-grained copper alloy processed by high-pressure torsion
	X. H. An; Q. Y. Lin; S. D. Wu; Z. F. Zhang; R. B. Figueiredo; N. Gao; T. G. Langdon
	2011
发表期刊	Scripta Materialia
ISSN	1359-6462
卷号	64 期号:3 页码:249-252
摘要	Fivefold deformation twins (DTs) are formed in an ultrafine grain, with a size of similar to 100 nm, of a Cu-16 at% Al alloy processed by high-pressure torsion. Formation occurs through the sequential emission of partial dislocations from grain boundaries and other multiple twin boundaries. These observations confirm the emission of partial dislocations from multiple-fold nodes which can be attributed to increased twinnability via the introduction of Al atoms which lower the driving force for partial emission. Crown Copyright (C) 2010 Published by Elsevier Ltd. on behalf of Acta Materialia Inc. All rights reserved.
部门归属	[an, x. h.; lin, q. y.; wu, s. d.; zhang, z. f.] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. [figueiredo, r. b.] univ fed minas gerais, dept met & mat engn, br-31270901 belo horizonte, mg, brazil. [gao, n.; langdon, t. g.] univ southampton, sch engn sci, mat res grp, southampton so17 1bj, hants, england. [langdon, t. g.] univ so calif, dept aerosp & mech engn, los angeles, ca 90089 usa. [langdon, t. g.] univ so calif, dept mat sci, los angeles, ca 90089 usa.;an, xh (reprint author), chinese acad sci, inst met res, shenyang natl lab mat sci, 72 wenhua rd, shenyang 110016, peoples r china;xhan@ime.ac.cn zhfzhang@imr.ac.cn
关键词	Cu-al Alloy Fivefold Deformation Twin Ultrafine Grains High-pressure Torsion Twinnability Stacking-fault Energy Cu-al Alloys Nanocrystalline Aluminum Fcc Metals Strain Mechanism Evolution
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WOS记录号	WOS:000285323300010
引用统计	被引频次：45[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/321006/30235
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	X. H. An,Q. Y. Lin,S. D. Wu,et al. Formation of fivefold deformation twins in an ultrafine-grained copper alloy processed by high-pressure torsion[J]. Scripta Materialia,2011,64(3):249-252.
APA	X. H. An.,Q. Y. Lin.,S. D. Wu.,Z. F. Zhang.,R. B. Figueiredo.,...&T. G. Langdon.(2011).Formation of fivefold deformation twins in an ultrafine-grained copper alloy processed by high-pressure torsion.Scripta Materialia,64(3),249-252.
MLA	X. H. An,et al."Formation of fivefold deformation twins in an ultrafine-grained copper alloy processed by high-pressure torsion".Scripta Materialia 64.3(2011):249-252.

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