IMECH-IR  > 力学所知识产出(1956-2008)
Deformation Twinning In Bulk Nanocrystalline Metals: Experimental Observations
Zhu YT; Liao XZ; Wu XL(武晓雷); Zhu, YT (reprint author), N Carolina State Univ, Dept Mat Sci & Engn, Box 7907, Raleigh, NC 27695 USA.
Source PublicationJom
2008
Pages60-64
ISSN1047-4838
AbstractDeformation twins have been observed in nanocrystalline (nc) fcc metals with medium-to-high stacking fault energies such as aluminum, copper, and nickel. These metals in their coarse-grained states rarely deform by twining at room temperature and low strain rates. Several twinning mechanisms have been reported that are unique to nc metals. This paper reviews experimental evidences on deformation twinning and partial dislocation. emissions from grain boundaries, twinning mechanisms, and twins with zero-macro-strain. Factors that affect the twinning propensity and recent analytical models on the critical grain sizes for twinning are also discussed. The current issues on deformation twinning in nanocrystalline metals are listed.
KeywordMolecular-dynamics Simulation Severe Plastic-deformation Room-temperature Single Crystals Cubic Metals Crack-tip Twins Al Mechanism Copper
DOI10.1007/s11837-008-0120-1
Indexed BySCI
Language英语
WOS IDWOS:000259122300010
WOS KeywordMOLECULAR-DYNAMICS SIMULATION ; SEVERE PLASTIC-DEFORMATION ; ROOM-TEMPERATURE ; SINGLE CRYSTALS ; CUBIC METALS ; CRACK-TIP ; TWINS ; AL ; MECHANISM ; COPPER
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering ; Mineralogy ; Mining & Mineral Processing
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering ; Mineralogy ; Mining & Mineral Processing
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/25906
Collection力学所知识产出(1956-2008)
Corresponding AuthorZhu, YT (reprint author), N Carolina State Univ, Dept Mat Sci & Engn, Box 7907, Raleigh, NC 27695 USA.
Recommended Citation
GB/T 7714
Zhu YT,Liao XZ,Wu XL,et al. Deformation Twinning In Bulk Nanocrystalline Metals: Experimental Observations[J]. Jom,2008:60-64.
APA Zhu YT,Liao XZ,武晓雷,&Zhu, YT .(2008).Deformation Twinning In Bulk Nanocrystalline Metals: Experimental Observations.Jom,60-64.
MLA Zhu YT,et al."Deformation Twinning In Bulk Nanocrystalline Metals: Experimental Observations".Jom (2008):60-64.
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