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WANG Tao, XUE Gang, YANG Jianguo, FANG Hongyuan. Equal load carrying capacity design system of joint based on stress intensity factor[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2013, (8): 101-104.
Citation: WANG Tao, XUE Gang, YANG Jianguo, FANG Hongyuan. Equal load carrying capacity design system of joint based on stress intensity factor[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2013, (8): 101-104.
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Equal load carrying capacity design system of joint based on stress intensity factor

  • 1.

    Luoyang Ship Material Research Institute, Luoyang 471023, China

  • 2.

    Institute of Process Equipment and Control Engineering, Zhejiang University of Technology, Hangzhou 310032, China

  • 3.

    State Key Laboratory of Advanced Welding and Joining, Harbin Institute of Technology, Harbin 150001, China

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  • Received Date: May 30, 2012
    Graphical Abstract
    • Abstract
  • In order to efficiently obtain the equal load carrying capacity (ELCC) joint shape parameters of joint with different defects,an ELCC design system of joint based on stress intensity factor was developed by combining fracture mechanics theory and expert system. The results show that ELCC joint shape parameters of joint with different defects could be efficiently obtained using this system. The efficiency and accuracy of ELCC joint design could be obviously improved,and the ELCC design method could also be extended. Stress intensity factor,J-integral, crack tip opening displacement,critical stress and critical crack length of defected joint under static load could be obtained with this system. The allowable load amplitude,crack growth rate and other corresponding parameters of defected joint under fatigue load could also be obtained with this system. This system can guide the joint shape design and safety assessment.
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