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系统地研究了变质对中锰钢组织与性能的影响。结果表明，变质能细化晶粒，改变碳化物的形态和分布；碳含量小于1．2％时，能提高中锈钢的冲击韧度、加工硬化能力和耐磨性。
The effect of metamorphism on microstructure and properties of medium manganese steel was systematically studied. The results show that metamorphism can refine the grains and change the shape and distribution of carbides. When the carbon content is less than 1.2%, the impact toughness, work hardening ability and wear resistance of the stainless steel can be improved.