采用等温热处理时外加12T 强磁场对Fe-0.28%(质量分数,下同)C-3.0%Mo合金中退化铁素体的转变进行研究.在有、无强磁场条件下,港湾温度附近及以下都得到了退化铁素体.强磁场加速了退化铁素体的转变,升高了退化铁素体转变TTT(temperature-time-transformation)曲线的港湾温度.没有磁场时的港湾温度大概为610℃左右,外加强磁场后港湾温度为640℃左右,这主要是由于强磁场降低了退化铁素体的自由能.
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