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Volume 21 Issue 4
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Citation:
shu

Selecting technological parameters from laser induced phase transformation hardening processes of materials

  • 1.

    Institute of Laser Application, Kunming Institute of Technology, Kuming, 650093

  • Received Date: 1996-02-05
    Accepted Date: 1996-04-29
  • We solve the heat conduction equation with semi-infinite boundary condition and present a mathematical model to emulate the relationship of the technical parameters ω(beam radius),ν(scanning speed)and P(laser power)of phase transformation processing to depth and width of the hardened region.The comparisons of emulation with tested results show that the average relative errors of width and depth of hardened region are 3.7% and 18.7%,respectively.This results are meaningful for better selection of technical parameter.
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    Champe T,Mazvmder J.Laser in Metallurgy.Soc of AIME,1981:165
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    Dietz J,Merlin J.Rev Phys Appl,1988;23:1781～1815
    [3] 李俊昌.昆明工学院学报,1991;16(4):96～102
    [4] 孙加林,陈君才,周融et al.昆明工学院学报,1993;18(4):25～31
    [5]

    Vannes A B.Laser et Indistries de Transformation.T ec et Doc Lavoiser,1986:54
    [6] 张家荣,赵廷元.工程常用物质的热物理性质手册,第一版.北京:新时代出版社,1987:9
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  • 1. 

    沈阳化工大学材料科学与工程学院 沈阳 110142

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Selecting technological parameters from laser induced phase transformation hardening processes of materials

  • 1. Institute of Laser Application, Kunming Institute of Technology, Kuming, 650093
  • Received Date: 1996-02-05
  • Accepted Date: 1996-04-29
  • Available Online: 1997-07-25

Abstract: We solve the heat conduction equation with semi-infinite boundary condition and present a mathematical model to emulate the relationship of the technical parameters ω(beam radius),ν(scanning speed)and P(laser power)of phase transformation processing to depth and width of the hardened region.The comparisons of emulation with tested results show that the average relative errors of width and depth of hardened region are 3.7% and 18.7%,respectively.This results are meaningful for better selection of technical parameter.

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