裂纹的疲劳蠕变混合形貌反映了高温下交互作用的影响。
The mixed fatigue and creep morphology reflected the influence of their interaction at high temperature.
由该图可以看出，绝大多数试验点落在线性累积损伤线上侧，表明在本文试验条件下，P91钢母材和焊材蠕变疲劳交互作用均表现为负交互作用。
From the curves we can see that most of the experiment results are above the linear cumulative damage curve, it indicates that the steel P91 is negative interaction under the condition of this thesis.
本文通过试验，对航空涡轮盘用材料GH169合金的蠕变— 疲劳交互作用行为进行了研究。结果表明，在本文试验条件下，GH169合金的蠕变—疲劳交互作用对寿命有利。
The property of GH169 alloy steel in condition of creep-fatigue interaction is studied. The result shows that the creep-fatigue interaction is beneficial to service life.
本文通过试验，对航空涡轮盘用材料GH169合金的蠕变— 疲劳交互作用行为进行了研究。结果表明，在本文试验条件下，GH169合金的蠕变—疲劳交互作用对寿命有利。
The property of GH169 alloy steel in condition of creep-fatigue interaction is studied. The result shows that the creep-fatigue interaction is beneficial to service life.
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