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金属学报  2011 

T/P91钢在高应力条件下蠕变行为的CDM模型模拟

DOI: 10.3724/SP.J.1037.2011.00309, PP. 1372-1377

Keywords: T/P91钢,蠕变机制,蠕变损伤,CDM模型

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Abstract:

通过对超临界火电机组用T/P91耐热钢的蠕变数据分析,探讨了T/P91钢在600℃下不同应力范围内的蠕变机制以及服役过程中的蠕变损伤,并使用基于材料物理本质建立的CDM(continuumdamagemechanics)模型来模拟高应力范围内T/P91钢的蠕变曲线,将模拟结果与文献中的实验数据进行对比,表明模拟结果是可信的.

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