用磁场处理微合金钢的过程中,由于磁场对形核驱动力的作用,外加磁场不仅影响铁素体的转变温度,也影响珠光体的转变温度.外加磁场改变了渗碳体片层的分叉形成过程,随磁通密度的增加,珠光体晶粒内部的渗碳体片层趋向于平行排列.
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