For resistance spot weld connection, residual stress is calculated first; then the finite element analysis including material nonlinearity and contact nonlinearity is carried out. 而对于电阻点焊(RSW)连接,首先是对模型进行温度场的分析,得出残余应力的分布,而后再对连接进行抗剪性能的分析,并且不能忽略材料非线性及接触非线性的影响。
This article introduces the research on resistance spot weld of β 21 titanium alloy, which including the metallographic examination of welding spot, analyzing the relationships between process specification and welding spot size, the pre-weld heat-treatment and mechanical property. 介绍了β21钛合金电阻点焊(RSW)工艺研究过程。
Consequently, the relationship between laser seam weld length and a resistance spot welding weld was established in different situations. The principle and the influencing factors of formulating the laser seam weld length was studied during laser lap welding of dissimilar plates. 并对不同板材搭接焊时,激光焊缝长度的制定原则进行了研究,对影响激光焊缝长度制定的因素进行了分析。
To analyze the characteristics of electrode degradation in resistance spot welding of aluminum with different weld powers, and its influence on weld quality, An imaging approach was developed based on the analysis of electrode life test results to quantitatively determine the status of electrode degradation. 为了研究采用不同焊接电源时,铝合金电阻点焊(RSW)的电极寿命、电极头磨损行为及其对焊接质量的影响,运用图形分析方法对电极头磨损行为进行了定量分析。
The voltage, current and electrode displacement of resistance spot welding contains plenty of welding information, which associated with welding parameters, surface state of work pieces and welding stability, is the importance information resources for quality inspecting of weld spot. 电阻点焊(RSW)过程中电极电压、焊接电流和电极位移信号蕴涵着丰富的焊接状态信息,并且与焊接工艺参数、工件表面状态、以及过程稳定性等密切相关,是焊接过程质量监控的重要信息源。