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Numerical simulation on temperature field for resistance spot welding of non- equal thickness stainless steel

机译：非等厚不锈钢电阻点焊温度场的数值模拟

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摘要

An axisymmetric finite element model is developed to simulate the temperature field of resistant spot welding according to the process characters of nugget formation of non-equal stainless steel sheets. A simulation method of the interaction of electrical and thermal factors is presented. The spot welding process of nugget formation is simulated using hard and soft welding technique norms. The heating characters of soft and hard norms determine the differences in the process of nugget formation and determine the finally shape and offset of nugget. Experimental verification shows that the model prediction agrees well with the practical.
机译：根据不等厚不锈钢薄板熔核形成的过程特性，建立了一个轴对称有限元模型来模拟电阻点焊的温度场。提出了电热因子相互作用的仿真方法。使用硬焊和软焊技术规范模拟了熔核形成的点焊过程。软规范和硬规范的加热特性决定了熔核形成过程的差异，并决定了熔核的最终形状和偏移。实验验证表明，该模型预测与实际相吻合。

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