| Citation: | YOU Wenchao, WANG Rongqiao, HU Dianyin, et al. Creep residual life prediction of DD6 single crystal superalloy considering microstructure evolution[J]. Journal of Aerospace Power, 2024, 39（9）：20220628 doi: 10.13224/j.cnki.jasp.20220628
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DD6 single crystal superalloy was taken as the research object to analyse the hardening mechanism of material dislocation movement by describing the microstructure evolution phenomenon, and a multi-scale creep constitutive model considering microstructure evolution was established; then a creep residual life prediction method considering the creep damage by characterizing the creep damage state was proposed. The experimental results showed that the creep model improved the simulation accuracy by 57.6% compared with the
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