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Volume 31 Issue 1
May  2010
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Analysis of flexible coating for laser shock processing

  • Corresponding author: ZHANG Yong-kang, lase@rujs.edu.cn
  • Received Date: 2005-11-08
    Accepted Date: 2006-05-28
  • The flexible coating is an energy conversion body that consists of confinement layer and Absorbing layer,so that laser shock processing(LSP) can be applied in engineering.For the sake of resolving original problem of bad shocking effect,the crylic acid synthetic resin and polyving 1 chloride(PVC) glue were used to replace silicone jelly.The result indicated:the materials hardness after laser shocking all exceeded 33HV and maximum residual stress approximately achieved 60MPa,which are comparative level with K9 optical glass(hardness and residual stress are 34HV and 70MPa separately).Flexible coating based on macromolecule materials can become the better energy conversion body that make LSP more practical.
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    CHU J P,RIGSBEE J M,BABAS G.Laser shock-processing effects on surface microstructure and mechanical properties of low carbon steel[J].Materials Science and Engineering,1999,A2601:145~164.
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    HONG X,WANG Sh B,GOU D H et al.Confining medium and absorptive overlay:their effects on a laser-induced shock wave[J].Optics and Lasers in Engineering,1998,29(6):447~455.
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    ZHOU J Zh,ZHANG Y K,ZHOU M et al.A flexible coating for laser shock processing[P].Chinese Patent:ZL02138338.3,2004-06-02(in Chinese).
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    ZHOU J Zh,YANG J Ch,ZHOU M.et al.Experimental study on the effect of overlay properties on laser-induced shock waves[J].Chinese Journal of Lasers,2002,29(11):1041~1044(in Chinese).
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Analysis of flexible coating for laser shock processing

    Corresponding author: ZHANG Yong-kang, lase@rujs.edu.cn
  • 1. School of Material Science and Engineering, Henan University of Science and Technology, Luoyang 471003, China;
  • 2. School of Mechanical Engineering, Jiangsu University, Zhenjiang 212013, China

Abstract: The flexible coating is an energy conversion body that consists of confinement layer and Absorbing layer,so that laser shock processing(LSP) can be applied in engineering.For the sake of resolving original problem of bad shocking effect,the crylic acid synthetic resin and polyving 1 chloride(PVC) glue were used to replace silicone jelly.The result indicated:the materials hardness after laser shocking all exceeded 33HV and maximum residual stress approximately achieved 60MPa,which are comparative level with K9 optical glass(hardness and residual stress are 34HV and 70MPa separately).Flexible coating based on macromolecule materials can become the better energy conversion body that make LSP more practical.

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