利用X射线衍射仪、电子探针、透射电镜对Fe-Mn-Al(Cr)-C系合金在1120℃固溶处理、不同温度时效后的组织进行了研究.结果表明,Al在固溶处理和时效后都均匀分布在固溶体中,并可以增加Fe-Mn-Al(Cr)-C系合金时效时奥氏体基体和碳化物的稳定性,使Fe-Mn-Al(Cr)-C系合金形成有序固溶体的温度升高.
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