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A novel micro-scale plastic deformation feature on a bulk metallic glass surface under laser shock peening
Wei YP(魏延鹏); Wei BC(魏炳忱); Wang X(王曦); Xu GY(徐光跃); Li L; Wu XQ(吴先前); Song HW(宋宏伟); Huang CG(黄晨光); Huang CG (reprint author), Chinese Acad Sci, Key Lab Mech Fluid Solid Coupling Syst, Beijing 100190, Peoples R China.
2013-03
发表期刊CHINESE PHYSICS LETTERS
卷号30期号:3页码:036201/1-036201/4
ISSN0256-307X
摘要Laser shocking peening is a widely applied surface treatment technique that can effectively improve the fatigue properties of metal parts. We observe many micro-scale arc plastic steps on the surface of Zr47.9Ti0.3Ni3.1Cu39.3Al9.4 metallic glass subjected to the ultra-high pressure and strain rate induced by laser shock peening. The scanning electronic microscopy and atomic force microscopy show that the arc plastic step (APS) has an arc boundary, 50-300 nm step height, 5-50 mu m radius and no preferable direction. These APSs have the ability to accommodate plastic deformation in the same way as shear band. This may indicate a new mechanism to accommodate the plastic deformation in amorphous metallic glass under high pressure, ultra-high strain rates, and short duration.
关键词Shear Bands Residual-stress Temperature Behavior Alloy
学科领域新型材料的力学问题 ; 冲击动力学
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收录类别SCI ; CSCD
语种英语
WOS记录号WOS:000316114000030
项目资助者National Natural Science Foundation of China [11002150]; Chinese Academy of Sciences [YZ200930]; National Basic Research Program of China [2007CB613905]
课题组名称LMFS冲击与耦合效应(LHO)
论文分区Q3
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被引频次:4[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/311007/47171
专题流固耦合系统力学重点实验室
通讯作者Huang CG (reprint author), Chinese Acad Sci, Key Lab Mech Fluid Solid Coupling Syst, Beijing 100190, Peoples R China.
推荐引用方式
GB/T 7714
Wei YP,Wei BC,Wang X,et al. A novel micro-scale plastic deformation feature on a bulk metallic glass surface under laser shock peening[J]. CHINESE PHYSICS LETTERS,2013,30(3):036201/1-036201/4.
APA Wei YP.,Wei BC.,Wang X.,Xu GY.,Li L.,...&Huang CG .(2013).A novel micro-scale plastic deformation feature on a bulk metallic glass surface under laser shock peening.CHINESE PHYSICS LETTERS,30(3),036201/1-036201/4.
MLA Wei YP,et al."A novel micro-scale plastic deformation feature on a bulk metallic glass surface under laser shock peening".CHINESE PHYSICS LETTERS 30.3(2013):036201/1-036201/4.
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