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本文测定了ＩＣ６合金在９９３－１０７３Ｋ，７７４一８７４ＭＰａ下的蠕变曲线，利用ＴＥＭ技术观察了蠕变各阶段试样的微观组织，发现不同面上的层错交互作用形成的面角位错控制中温蠕变速率。
In this paper, the creep curves of IC6 alloy at 993-1073K and 774-874MPa were measured. The microstructures of the samples at various stages of creep were observed by TEM. The surface angle dislocation control Temperature creep rate.