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LI Yafan, YANG Jianguo, JI Shude, WU Jingwei, FANG Hongyuan. Numerical simulation of shear stress of Al2O3 joint brazed with composite filler materials[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2011, (8): 109-112.
Citation: LI Yafan, YANG Jianguo, JI Shude, WU Jingwei, FANG Hongyuan. Numerical simulation of shear stress of Al2O3 joint brazed with composite filler materials[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2011, (8): 109-112.
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Numerical simulation of shear stress of Al2O3 joint brazed with composite filler materials

  • 1.

    AC-DC Motor Company Limited, Harbin Electric Machinery, Harbin 150046, China

  • 2.

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

  • 3.

    School of Aerospace Engineering, Shenyang Aerospace University, Shenyang 110136, China

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  • Received Date: May 30, 2010
    Graphical Abstract
    • Abstract
  • The numerical simulation on shear stress of Al2O3/Al2O3 joints brazed with the Al2O3 particles reinforced composite filler materials is processed. And then the effect of Al2O3 particles on residual shear stress of ceramic joints is researched. The results show that the maximum shear stress appears in the interface between ceramic and filler materials. The Al2O3 particles in composite filler materials can decrease the shear stress of ceramic joints and the effect on decreasing stress heightens with the increase of the volume percent of ceramic particles. Moreover, the residual shear stress decreases with the increase of thickness of filler materials. The results of shear experiment on Al2O3/Al2O3 joints show that the shear strength increases with the increase of the volume percent of ceramic particles when the volume percent changes from 0% to 15%, which verifies the rationality of the results of numerical simulation.
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