GH4169合金的大直径锻棒是生产燃气涡轮发动机涡轮盘等大尺寸锻件的重要材料.主要由开坯锻造工艺制备,得到组织均匀细小、性能优良的锻棒,显著地提高锻件的性能.开发了GH4169合金的微观组织预测系统,对GH4169合金开坯锻造过程中的组织演变规律进行三维热力耦合数值分析.
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