Through changing the voltage of pulse electric field to process molten carbon steel,we obtained refined grain and optimized control parameters of pulse voltage corresponding to the refined grain.

• 通过改变脉冲电场的电压对普碳钢熔体进行处理,得到了晶粒细化的效果,并针对晶粒细化效果得出了最优的脉冲电压控制参数。