该规律反映了点焊熔核与焊接电流频谱的内在关系。
The relationship between nugget size and current spectrum is found.
而由于点焊熔核形成过程的不可见性，计算机模拟技术已经成为研究电阻点焊的主要方法。
Numerical simulation has been a main research method in resistance spot welding since the forming process of nugget is hard to observe.
介绍了基于有限元法模拟电阻点焊熔核形成过程中的轴对称电、热、力耦合场的模拟模型。
Based on FEM, an axis symmetric finite element electro-thermo-mechanical model in the formation of molten core of resistance spot welding is introduced.
应用推荐