This article mainly researches on the causes and controlling of ultra-low carbon steel carburetion.

重点研究了鞍钢二炼钢厂超低碳钢增碳原因及控。

The effect of the mesh density, the change of dynamic plasticity property of mild steel with strain rate and the spotweld mechanical property on the simulation results is analyzed.

分了度、身用低碳钢材料塑性特性随应变率的变化及焊点力学特性因素对仿真结果的影响。