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IMECH-IR  > 流固耦合系统力学重点实验室(2012-)  > 期刊论文
Title:
A novel micro-scale plastic deformation feature on a bulk metallic glass surface under laser shock peening
Author: 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)
Source: CHINESE PHYSICS LETTERS
Issued Date: 2013-03
Volume: 30, Issue:3, Pages:036201/1-036201/4
Abstract: 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.
Keyword: Shear Bands ; Residual-Stress ; Temperature ; Behavior ; Alloy
Language: 英语
Indexed Type: SCI ; CSCD
Corresponding Author: Huang CG (reprint author), Chinese Acad Sci, Key Lab Mech Fluid Solid Coupling Syst, Beijing 100190, Peoples R China.
Correspondent Email: weiyanpeng@imech.ac.cn
Related URLs: 查看原文
WOS ID: WOS:000316114000030
ISSN: 0256-307X
Rank: [Wei Yan-Peng; Wang Xi; Wu Xian-Qian; Song Hong-Wei; Huang Chen-Guang] Chinese Acad Sci, Key Lab Mech Fluid Solid Coupling Syst, Beijing 100190, Peoples R China; [Wei Bing-Chen; Xu Guang-Yue] Chinese Acad Sci, Key Lab Micrograv, Natl Micrograv Lab, Inst Mech, Beijing 100190, Peoples R China; [Li Lei] Sinosteel Corp, Beijing 100190, Peoples R China
Subject: 固体力学::新型材料的力学问题;固体力学::冲击动力学
Department: LMFS冲击与耦合效应(LHO)
Classification: Q3
Citation statistics:
Content Type: 期刊论文
URI: http://dspace.imech.ac.cn/handle/311007/47171
Appears in Collections:流固耦合系统力学重点实验室(2012-)_期刊论文

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Recommended Citation:
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,2013-03-01,30(3):036201/1-036201/4.
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