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A new effective method to estimate the effect of laser shock peening | |
Wu XQ(吴先前); Huang CG(黄晨光); Wang X(王曦); Song HW(宋宏伟); Huang, CG (reprint author), Chinese Acad Sci, Inst Mech, Key Lab Hydrodynam & Ocean Engn, Beijing 100190, Peoples R China | |
发表期刊 | International Journal of Impact Engineering |
2011 | |
卷号 | 38期号:5页码:322-329 |
ISSN | 0734-743X |
摘要 | The paper focuses on the influencing parameters to the plastically affected depth and maximum residual stress of the metallic target after laser shock peening. Firstly, by using a new coupling analysis method, the shock pressure characteristics including peak pressure and pressure duration are given. Secondly, based on the deduced pressure profile, dimensional analysis method is employed to find the controlling parameters, and the relationships of plastically affected depth, maximum residual stress versus peak pressure, pressure duration and laser spot size are given. Thirdly, a two dimension axisymmetric finite element model based on LS-DYNA package is built, and the dynamic responses of metallic target subject to laser shock processing are computed with different input parameters. The result shows that the plastically affected depth is proportional to pressure duration, whereas the maximum residual stress is independent with it: the plastically affected depth and the maximum residual stress are not affected by laser spot size within a certain range, whereas have approximate linear relationships with peak pressure after reaching to a certain level: maximum residual stress and plastically affected depth increase significantly for a thin target configuration in laser shock peening system. (C) 2010 Elsevier Ltd. All rights reserved. |
关键词 | Laser Shock Peening Plastically Affected Depth Residual Stress Coupling Analysis Dimensional Analysis Simulation Plasma |
学科领域 | Engineering ; Mechanics |
DOI | 10.1016/j.ijimpeng.2010.11.008 |
URL | 查看原文 |
收录类别 | SCI ; EI |
语种 | 英语 |
WOS记录号 | WOS:000290833700006 |
关键词[WOS] | SIMULATION ; PLASMA |
WOS研究方向 | Engineering ; Mechanics |
WOS类目 | Engineering, Mechanical ; Mechanics |
项目资助者 | The authors thank the National Natural Science Foundation of China (10972228, 11002150) and Basic Research Equipment Project of Chinese Academy of Sciences (YZ200930) for financial support. |
课题组名称 | LMFS冲击与耦合效应(LHO) |
论文分区 | 一类 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://dspace.imech.ac.cn/handle/311007/45034 |
专题 | 水动力学与海洋工程重点实验室(2009-2011) |
通讯作者 | Huang, CG (reprint author), Chinese Acad Sci, Inst Mech, Key Lab Hydrodynam & Ocean Engn, Beijing 100190, Peoples R China |
推荐引用方式 GB/T 7714 | Wu XQ,Huang CG,Wang X,et al. A new effective method to estimate the effect of laser shock peening[J]. International Journal of Impact Engineering,2011,38,5,:322-329. |
APA | 吴先前,黄晨光,王曦,宋宏伟,&Huang, CG .(2011).A new effective method to estimate the effect of laser shock peening.International Journal of Impact Engineering,38(5),322-329. |
MLA | 吴先前,et al."A new effective method to estimate the effect of laser shock peening".International Journal of Impact Engineering 38.5(2011):322-329. |
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