根据马氏体相变的经典形核理论,重新对铁基合金中马氏体相变的形核过程进行了热力学估算.结果表明,均匀形核的临界形核功比热能低一个数量级.这意味着铁基合金中的马氏体相变形核可由热起伏来促发.对早期的小颗粒实验以及铁基体材料中马氏体相变的相关实验结果进行了分析讨论,表明均匀形核机制和这些实验结果相一致.
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