基于蠕變損傷開裂和擴展的高壓導汽管壽命評估
發(fā)布時間:2018-03-22 11:56
本文選題:P 切入點:低硬度區(qū) 出處:《熱加工工藝》2016年22期 論文類型:期刊論文
【摘要】:對某電廠高壓導汽管低硬度區(qū)管段進行了常規(guī)試驗,通過常規(guī)試驗數(shù)據(jù)對其進行蠕變損傷開裂分析和擴展壽命評估。結(jié)果表明,在常規(guī)力學性能低于標準要求時,溫度降低至540℃的情況下,該高壓導汽管的蠕變損傷開裂壽命約為5914 h。
[Abstract]:In this paper, a conventional test was carried out on the low hardness section of a high pressure steam guide pipe in a power plant. The creep damage cracking analysis and expansion life evaluation were carried out through the conventional test data. The results show that when the conventional mechanical properties are below the standard requirements, When the temperature is reduced to 540 鈩,
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