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Volume 31 Issue 6
Sep.  2012
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Orthogonal optimum design of laser peen forming based on finite element simulation

  • Corresponding author: ZHOU Jian-zhong, zhoujz@ujs.edu.cn
  • Received Date: 2006-09-29
    Accepted Date: 2006-10-31
  • The process parameters in laser peen forming(LPF) have great impact on the forming shape of the processed metal sheet.In order to gain desired deformation volume and certain deep of residual stress,it is essential to optimize and control these parameters.In this paper,the orthogonal layout was used to design the main parameters of laser and the sheet.And all the situation was simulated by the ANSYS/LS-DYNA.The numeral result was studied by range analysis method.It was indicated that the optimum design of the parameters in laser peening process by orthogonal method can effectively control the residual stress modality and constructively conduct the experiments.
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    HACKEL L,HARRIS F.Contour forming of metals by laser peening[P].USA:WO01/05549A2,2002-06-25.
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    HACKEL L A,CHEN H L.Laser peening-a processing tool to strengthen metals or alloys to improve fatigue lifetime and retard stress-induced corrosion cracking[R].New York:Laser Science and Technology,2003.1058~1061.
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    FAN Y,WANG Y,VUKELIC S.Wave-solid interactions in laser-shock-induced deformation processes[J].J A P,2005,98(10):1~11.
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    WANG G L,ZHOU J Zh,YANG Ch J.Application of laser-induced shock wave in surface modification and forming of sheet metal[J].The Transaction of Agriculture Engine,2005,36(12):148~152(in Chinese).
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    ZHANG X Q,ZHOU J Zh,GU Y Y.Research on technology of metal plate plastic forming by laser shot peening[J].Journal of Lanzhou University of Technology,2006,32(2):31~33(in Chinese).
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    ZHOU J Zh,ZHANG Y K,ZHOU M.Study on technique of laser shock forming of metal sheet[J].Laser Technology,2002.26(6):478~480(in Chinese).
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    ZHOU J Zh,ZHANG Y K,ZHOU M.Theoretical analysis on deformation of sheet metal under one laser shot loading[J].Chinese Journal of Laser,2005,32(1):135~138(in Chinese).
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Orthogonal optimum design of laser peen forming based on finite element simulation

    Corresponding author: ZHOU Jian-zhong, zhoujz@ujs.edu.cn
  • 1. School of Mechanical Engineering, Jiangsu University, Zhenjiang 212013, China

Abstract: The process parameters in laser peen forming(LPF) have great impact on the forming shape of the processed metal sheet.In order to gain desired deformation volume and certain deep of residual stress,it is essential to optimize and control these parameters.In this paper,the orthogonal layout was used to design the main parameters of laser and the sheet.And all the situation was simulated by the ANSYS/LS-DYNA.The numeral result was studied by range analysis method.It was indicated that the optimum design of the parameters in laser peening process by orthogonal method can effectively control the residual stress modality and constructively conduct the experiments.

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