The result indicated that transformation of perlite was accelerated and the quantities of ferrolites was increased under the function of impulse electric field at second stage graphitization.

进析脉冲电场作用下基体中石墨晶核的数量增加,有地缩短珠光体解时碳原子的扩散距离,从加速阶段石墨化过程中珠光体的转变。