Fe-C(1.7％)-Ti(15％)合金粉末经50 h球磨后形成铁基过饱和固溶体，将该固溶体进行800℃×1 h热处理，TiC弥散析出。球磨初期，机械合金化粉末的TEM组织中可见明显的位错网络和层片状结构；球磨时间超过40 h，出现环状亚结构。
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