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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
Source PublicationActa Materialia
2009-05-23
Volume57Issue:13Pages:3763-3770
ISSN1359-6454
AbstractDeformation 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.
KeywordNanocrystalline Materials Dislocations Twin Boundaries Twinning Interfaces
Subject Area固体力学
DOI10.1016/j.actamat.2009.04.020
Indexed BySCI
Language英语
WOS IDWOS:000268414100008
WOS KeywordMOLECULAR-DYNAMICS SIMULATION ; FORMATION MECHANISM ; REBOUND MECHANISM ; CUBIC METALS ; AL ; DISLOCATION ; ALUMINUM ; SURFACE ; COPPER ; ONSET
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
Citation statistics
Cited Times:98[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/28759
Collection非线性力学国家重点实验室
Corresponding AuthorZhu YT; Narayan J; Hirth JP
Recommended Citation
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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