Influence of weld width on fatigue strength of butt joint

LIU Zhenxiong; XU Gang; CAO Wentao; MA Chunwei

Volume 35 Issue 2

Jun. 2021

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LIU Zhenxiong, XU Gang, CAO Wentao, MA Chunwei. Influence of weld width on fatigue strength of butt joint[J]. Journal of Shanghai University of Engineering Science, 2021, 35(2): 107-112, 143.

Citation:

LIU Zhenxiong, XU Gang, CAO Wentao, MA Chunwei. Influence of weld width on fatigue strength of butt joint[J]. Journal of Shanghai University of Engineering Science, 2021, 35(2): 107-112, 143.

LIU Zhenxiong, XU Gang, CAO Wentao, MA Chunwei. Influence of weld width on fatigue strength of butt joint[J]. Journal of Shanghai University of Engineering Science, 2021, 35(2): 107-112, 143.

Citation:

LIU Zhenxiong, XU Gang, CAO Wentao, MA Chunwei. Influence of weld width on fatigue strength of butt joint[J]. Journal of Shanghai University of Engineering Science, 2021, 35(2): 107-112, 143.

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Influence of weld width on fatigue strength of butt joint

School of Materials Engineering, Shanghai University of Engineering Science, Shanghai 201620, China

Received Date: 2021-03-12
Publish Date: 2021-06-30

Abstract

Abstract

Finite element analysis based on the establishment of a 3D solid model of the butt joint of Q235A steel was conducted, and the influence of weld width on the fatigue strength of the butt joint was simulated. Eight geometric models of different weld widths were established by ABAQUS CAE software. The meshing of the model was carried out and the structural stress was calculated. The stress of butt joint was analyzed based on mesh insensitive structural stress method. The Fe-safe model of ABAQUS software was used to predict the fatigue life. The simulation results show that the fatigue properties of butt joint weld firstly increase with the increase of weld width, and then gradually decrease with the increase of weld width.
- butt joint,
- weld width,
- fatigue life,
- mesh insensitive structural stress method

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References(13)

References

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