试样寿命主要由裂纹萌生寿命和断裂寿命组成，扩展寿命所占比例较少。
The crack initiation life and the crack fracture life are the main life of the specimen.
P 92钢是目前超超临界机组主蒸汽管道的应用钢种，其蠕变断裂寿命被广泛关注。
The P92 steel is a steel sort being used for main steam pipelines of ultra-supercritical units at present, its creep rupture life has widely drawn close attention.
提出了特定程序波温度循环预测合金断裂寿命的公式，并用扫描电镜观察了合金的断口。
The formulation of life prediction for specified program-controlled temperature cycle is proposed. The fracture surface of the superalloy has also been observed b...
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