Carbide evolution and its effect on the impact toughness of the 9Cr/CrMoV dissimilar welded joint during the aging treatment

Jiayi Zhou,Xia Liu,Xiaohong Li,Xin Huo,Bingge Zhao,Kai Ding,Yulai Gao

Engineering Failure Analysis（2023）

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摘要

•Microstructure of the 9Cr/CrMoV dissimilar welded joint revealed thermal stability.•Competing effect existed for the precipitate evolution during the aging treatment.•The newly fine precipitates could yield positive effect on the impact toughness.

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关键词

impact toughness,9cr/crmov dissimilar,joint

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