Deformation twinning in a nanocrystalline hcp Mg alloy | |
Wu XL(武晓雷); Youssef KM; Koch CC; Mathaudhu SN; Kecskes LJ; Zhu YT; Zhu, YT (reprint author), N Carolina State Univ, Dept Mat Sci & Engn, Box 7907, Raleigh, NC 27695 USA | |
发表期刊 | Scripta Materialia |
2011 | |
卷号 | 64期号:3页码:213-216 |
ISSN | 1359-6462 |
摘要 | Nanocrystalline (nc) hexagonal close-packed (hcp) metals are rarely observed to deform by twinning, which is contrary to face-centered cubic metals. Here we report that, after alloying Mg with 10 at% Ti, deformation twins are observed in an nc Mg Ti alloy processed by mechanical attrition. The formation of deformation twins is attributed to the alloying effect, which may change the energy path for twinning. These results point to a promising approach to design nc hcp alloys for superior mechanical properties. (C) 2010 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved. |
关键词 | Twinning Nanocrystalline Hcp Mg Alloying Stacking-fault Energy Molecular-dynamics Simulation High Ductility Metals Twins Magnesium Mechanism Strength Aluminum Copper |
学科领域 | Science & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering |
DOI | 10.1016/j.scriptamat.2010.10.024 |
URL | 查看原文 |
收录类别 | SCI |
语种 | 英语 |
WOS记录号 | WOS:000285323300001 |
关键词[WOS] | STACKING-FAULT ENERGY ; MOLECULAR-DYNAMICS SIMULATION ; HIGH DUCTILITY ; METALS ; TWINS ; MAGNESIUM ; MECHANISM ; STRENGTH ; ALUMINUM ; COPPER |
WOS研究方向 | Science & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering |
WOS类目 | Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering |
项目资助者 | X.L.W. acknowledges the support of NSFC Grant Nos. 11072243, 10721202, 973 Project Grant Nos. 2010CB631004 and 2007CB613700. Other coauthors were supported by the U.S. Army Research Office (W911NF-09-1-0427) and the Army Research Laboratory (W911QX-08-C-0083). |
课题组名称 | LNM材料介观力学性能的表征 |
论文分区 | 一类 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://dspace.imech.ac.cn/handle/311007/44947 |
专题 | 非线性力学国家重点实验室 |
通讯作者 | Zhu, YT (reprint author), N Carolina State Univ, Dept Mat Sci & Engn, Box 7907, Raleigh, NC 27695 USA |
推荐引用方式 GB/T 7714 | Wu XL,Youssef KM,Koch CC,et al. Deformation twinning in a nanocrystalline hcp Mg alloy[J]. Scripta Materialia,2011,64,3,:213-216. |
APA | 武晓雷.,Youssef KM.,Koch CC.,Mathaudhu SN.,Kecskes LJ.,...&Zhu, YT .(2011).Deformation twinning in a nanocrystalline hcp Mg alloy.Scripta Materialia,64(3),213-216. |
MLA | 武晓雷,et al."Deformation twinning in a nanocrystalline hcp Mg alloy".Scripta Materialia 64.3(2011):213-216. |
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