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WANG Qiang, JIAO Junke, WANG Feiya, ZHANG Wenwu, SHENG Liyuan. Finite element analysis of CFRP and stainless steel laser welding[J]. LASER TECHNOLOGY, 2016, 40(6): 853-859. DOI: 10.7510/jgjs.issn.1001-3806.2016.06.017
Citation: WANG Qiang, JIAO Junke, WANG Feiya, ZHANG Wenwu, SHENG Liyuan. Finite element analysis of CFRP and stainless steel laser welding[J]. LASER TECHNOLOGY, 2016, 40(6): 853-859. DOI: 10.7510/jgjs.issn.1001-3806.2016.06.017
shu

Finite element analysis of CFRP and stainless steel laser welding

  • 1.

    The Faculty of Mechanical Engineering and Mechanics, Ningbo University, Ningbo 315211, China;

  • 2.

    Ningbo Institute of Industrial Technology, Chinese Academy of Sciences, Ningbo 315201, China;

  • 3.

    Shenzhen Institute, Peking University, Shenzhen 518055, China

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  • Received Date: October 06, 2015
  • Revised Date: November 10, 2015
  • Published Date: November 24, 2016
    Graphical Abstract
    • Abstract
  • In order to investigate the mechanism of laser welding of carbon fiber reinforced plastics(CFRP)and stainless steel, and find out the effect of different process parameters on welding quality, a 3-D finite element model based on heat conduction welding was built by ANSYS. The distributions of temperature field and stress field were calculated by ANSYS. The effect of process parameters, including laser power, scanning welding and spot diameter, on welding width and welding depth was investigated. And the influence of welding residual stress on the quality of welding was also investigated. The results show that temperature field and residual stress distributions can be rapidly and effectively simulated by the proposed finite element model. Welding width and depth are affected by laser power, scanning welding and spot diameter. The calculated distribution and the theoretical distribution of residual stress agree well. The result confirms that the model is reliable. The result is helpful to obtain high quality welded joints of CFRP-stainless steel.
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    • References (16)
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