Tensile failure analysis of laser stake-welded T-joints: X-ray tomography based conformal finite element and fractal theoretical approaches

Zhouyue Gu,Xiaolei Zhu, Qiwen Ding,Shengyu Duan,Panding Wang,Xiaofeng Lu

Engineering Failure Analysis（2023）

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摘要

•The tensile behavior of laser stake welded T-joints is studied.•The geometric deviation and void defects are quantified by X-ray CT scanning.•Image-based finite element models were reconstructed.•Fractal theory is developed to predict the strength of T-joints.

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关键词

tensile failure analysis,conformal finite element,tomography,stake-welded,t-joints,x-ray

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