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.

• 进而分析了脉冲电场作用下基体中石墨晶核的数量增加,有效地缩短了珠光体分解时碳原子的扩散距离,从而加速了第二阶段石墨化过程中珠光体的转变。