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12Cr1MoV钢受热面管的剩余寿命研究

WANG Zheng, WANG Yanfeng,ZHANG Zuogui

Journal Of Chinese Society Of Power Engineering（2023）

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Abstract
对已运行10万h的某机组12Cr1MoV钢高温过热器受热面管进行理化检验,对比不同方法预测出的此管的剩余寿命.结果表明:该受热面管常规力学性能均符合标准要求,其损伤等级达到3级;损伤累积法的评估结果更能准确地反映材料的实际寿命;结合材料组织老化分析结果,综合评估此机组12Cr1MoV钢高温过热器受热面管的剩余寿命约为6.5万h.
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Key words
high temperature superheater,heating surface tube,12Cr1MoV steel,residual life prediction
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