Twinning mechanism via synchronized activation of partial dislocations in face-centered-cubic materials
文献类型:期刊论文
作者 | B. Q. Li ; B. Li ; Y. B. Wang ; M. L. Sui ; E. Ma |
刊名 | Scripta Materialia
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出版日期 | 2011 |
卷号 | 64期号:9页码:852-855 |
关键词 | Twinning Deformation structure Partial dislocation FCC metals molecular-dynamics simulation nanocrystalline aluminum deformation growth twins copper metals |
ISSN号 | 1359-6462 |
中文摘要 | In situ straining in a high-resolution transmission electron microscope and molecular dynamics simulations reveal a new deformation twinning mechanism in the face-centered-cubic structure. A twin forms via the simultaneous and cooperative activation of different Shockley partial dislocations on three (1 1 1) layers. The synchronized slip produces a zero net Burgers vector; such twining relieves local stress concentration in a shear confined to adjacent atomic layers, but induces no macroscopic shape change of the surrounding crystal. (C) 2011 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved. |
原文出处 | |
公开日期 | 2012-04-13 |
源URL | [http://210.72.142.130/handle/321006/30446] ![]() |
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 | B. Q. Li,B. Li,Y. B. Wang,et al. Twinning mechanism via synchronized activation of partial dislocations in face-centered-cubic materials[J]. Scripta Materialia,2011,64(9):852-855. |
APA | B. Q. Li,B. Li,Y. B. Wang,M. L. Sui,&E. Ma.(2011).Twinning mechanism via synchronized activation of partial dislocations in face-centered-cubic materials.Scripta Materialia,64(9),852-855. |
MLA | B. Q. Li,et al."Twinning mechanism via synchronized activation of partial dislocations in face-centered-cubic materials".Scripta Materialia 64.9(2011):852-855. |
入库方式: OAI收割
来源:金属研究所
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