Resistance of thin sheets lap joints connected by spot welding and brazing

ce/papers Pub Date : 2024-03-27 DOI:10.1002/cepa.3044
Viorel Ungureanu, Ioan Both, Antonio Andrei Cristian
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Abstract

The results of an experimental program on lap joints of thin gauge sheets connected by spot welding and MIG brazing are compared to the design code provisions. The results show the dependency of the spot weld lap joints resistance on the thickness of the connected sheets, while the MIG brazed lap joints resistance depends on the minimum thickness of the steel sheets connected. A statistical interpretation of the results shows the accuracy of the joint resistance. The coefficient of variation of the spot weld specimen is smaller than the one for the MIG brazed specimen, while the resistance of the spot weld is higher than the MIG brazed specimen when compared to the nominal resistances.

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通过点焊和钎焊连接的薄板搭接处的阻力
通过点焊和 MIG 钎焊连接薄钢板搭接接头的实验结果与设计规范条款进行了比较。结果表明,点焊搭接接头的阻力取决于所连接钢板的厚度,而 MIG 焊接搭接接头的阻力取决于所连接钢板的最小厚度。对结果的统计解释显示了接头电阻的准确性。点焊试样的变异系数小于 MIG 钎焊试样,而与标称电阻相比,点焊电阻高于 MIG 钎焊试样。
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