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IMECH-IR  > 水动力学与海洋工程重点实验室(2009-2011)  > 期刊论文
Title:
A new effective method to estimate the effect of laser shock peening
Author: Wu XQ(吴先前); Huang CG(黄晨光); Wang X(王曦); Song HW(宋宏伟)
Source: International Journal of Impact Engineering
Issued Date: 2011
Volume: 38, Issue:5, Pages:322-329
Abstract: 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.
Keyword: Laser Shock Peening ; Plastically Affected Depth ; Residual Stress ; Coupling Analysis ; Dimensional Analysis ; Simulation ; Plasma
Language: 英语
Indexed Type: SCI ; EI
Corresponding Author: Huang, CG (reprint author), Chinese Acad Sci, Inst Mech, Key Lab Hydrodynam & Ocean Engn, Beijing 100190, Peoples R China
Correspondent Email: huangcg@imech.ac.cn
DOI: 10.1016/j.ijimpeng.2010.11.008
Related URLs: 查看原文
DOC Type: Article
WOS Subject: Engineering, Mechanical ; Mechanics
WOS Subject Extended: Engineering ; Mechanics
WOS Keyword Plus: SIMULATION ; PLASMA
WOS ID: WOS:000290833700006
ISSN: 0734-743X
Rank: [Wu, Xianqian; Huang, Chenguang; Wang, Xi; Song, Hongwei] Chinese Acad Sci, Inst Mech, Key Lab Hydrodynam & Ocean Engn, Beijing 100190, Peoples R China
Subject: Engineering; Mechanics
Department: LMFS冲击与耦合效应(LHO)
Classification: 一类
Citation statistics:
Content Type: 期刊论文
URI: http://dspace.imech.ac.cn/handle/311007/45034
Appears in Collections:水动力学与海洋工程重点实验室(2009-2011)_期刊论文

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Recommended Citation:
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,2011-01-01,38(5):322-329.
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