应用Pillbox模型和Zener方程讨论了强磁场影响下的先共析铁素体转变的形核和长大过程.计算结果表明,由于退磁现象的存在,先共析铁素体倾向于在沿磁场方向晶界上形核,而不易在垂直磁场方向的晶界上形核.在考虑被磁化的铁索体晶核之间相互作用的基础上,对碳钢强磁场热处理实验中观察到的"链状铁素体"现象给予了动力学的解释.
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