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Formation of Single and Multiple Deformation Twins in Nanocrystalline fcc Metals
Zhu YT; Narayan J; Hirth JP; Mahajan S; Wu XL(武晓雷); Liao XZ
2009-05-23
发表期刊Acta Materialia
卷号57期号:13页码:3763-3770
ISSN1359-6454
摘要Deformation twins are often observed to meet each other to form multi-fold twins in nanostructured face-centered cubic (fcc) metals.Here we propose two types of mechanism for the nucleation and growth of four different single and multiple twins. These mechanisms provide continuous generation of twinning partials for the growth of the twins after ucleation. A relatively high stress or high strain rate is needed to activate these mechanisms, making them more prevalent in nanocrystalline materials than in their coarse-grained counterparts.Experimental observations that support the proposed mechanisms are presented.
关键词Nanocrystalline Materials Dislocations Twin Boundaries Twinning Interfaces
学科领域固体力学
DOI10.1016/j.actamat.2009.04.020
收录类别SCI
语种英语
WOS记录号WOS:000268414100008
关键词[WOS]MOLECULAR-DYNAMICS SIMULATION ; FORMATION MECHANISM ; REBOUND MECHANISM ; CUBIC METALS ; AL ; DISLOCATION ; ALUMINUM ; SURFACE ; COPPER ; ONSET
WOS研究方向Materials Science ; Metallurgy & Metallurgical Engineering
WOS类目Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
引用统计
被引频次:91[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://dspace.imech.ac.cn/handle/311007/28759
专题非线性力学国家重点实验室
通讯作者Zhu YT; Narayan J; Hirth JP
推荐引用方式
GB/T 7714
Zhu YT,Narayan J,Hirth JP,et al. Formation of Single and Multiple Deformation Twins in Nanocrystalline fcc Metals[J]. Acta Materialia,2009,57(13):3763-3770.
APA Zhu YT,Narayan J,Hirth JP,Mahajan S,武晓雷,&Liao XZ.(2009).Formation of Single and Multiple Deformation Twins in Nanocrystalline fcc Metals.Acta Materialia,57(13),3763-3770.
MLA Zhu YT,et al."Formation of Single and Multiple Deformation Twins in Nanocrystalline fcc Metals".Acta Materialia 57.13(2009):3763-3770.
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