It was found that the amount and grain number of proeutectoid ferrite in the steel treated in magnetic field were more than that treated without magnetic field.

• 结果表明：在相同奥氏体化保温时间下，经强磁场热处理样品的先共析铁素体的面积分数和晶粒数量明显高于无磁场热处理样品。