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Scaling Law in Laser-Induced Shock Effects of NiTi Shape Memory Alloy
Wang X(王曦); Xia WG(夏伟光); Wu XQ(吴先前); Huang CG(黄晨光)
Source PublicationMETALS

The shock effects in laser shock processing of NiTi shape memory alloy were studied by dimensional analysis and finite element simulation. The essential dimensionless parameters controlling the residual stress distribution and plastically affected depth were found to be dimensionless pressure duration and peak pressure. By adopting the constitutive model considering the martensitic transformation and plasticity of deformation induced martensite, the influence of dimensionless parameters on the shock effects of shape memory alloy was studied numerically. The numerical results reveal the scaling law of shock effects on those dimensionless parameters quantitatively and the relationship between the plastically affected depth and peak pressure was validated with experimental results. A window of the optimal processing parameters could be obtained based on this study.

KeywordShape Memory Alloy Laser Shock Peening Dimensionless Parameters Residual Stress Plastically Affected Depth
Indexed BySCI
WOS IDWOS:000428561200027
WOS KeywordPlastic-deformation ; Mechanical Response ; Residual-stress ; Simulation ; Microstructure ; Steel
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
Funding OrganizationNational Natural Science Foundation of China(11002150 ; Basic Research Equipment Project of Chinese Academy of Sciences(YZ200930) ; 11332011 ; 11402277)
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Document Type期刊论文
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GB/T 7714
Wang X,Xia WG,Wu XQ,et al. Scaling Law in Laser-Induced Shock Effects of NiTi Shape Memory Alloy[J]. METALS,2018,8(3):174.
APA 王曦,夏伟光,吴先前,&黄晨光.(2018).Scaling Law in Laser-Induced Shock Effects of NiTi Shape Memory Alloy.METALS,8(3),174.
MLA 王曦,et al."Scaling Law in Laser-Induced Shock Effects of NiTi Shape Memory Alloy".METALS 8.3(2018):174.
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