本文研究了一种定向凝固镍基高温合金的高温低周疲劳行为。
Low cycle fatigue (LCF) tests of a directionally solidified nickel base superalloy were conducted at elevated temperatures.
而在高温低周疲劳条件下裂纹是在粘结层与高温合金基体的扩散层处。
However, cracks initialized in the diffusion layer between substrate and bond coat when TBCs were tested with low cycle fatigue at high temperature.
对钼合金进行了应力控制高温低周等温疲劳和同相位热机械疲劳试验。
High temperature isothermal mechanical fatigue and in phase thermomechanical fatigue (TMF) tests in stress control were carried out on a molybdenum alloy.
本文研究了GH36与GH132两种高温合金的高温低周疲劳和热疲劳性能。
In this paper, the performances of elevated temperature low-cycle fatigue and thermal fatigue of two superalloys GH36 and GH132 are discussed.
结果表明：与传统X-40合金相比，K40S合金具有优异的抗高温低周疲劳性能；
The results show that K40S alloy possesses high low cycle fatigue resistance in comparison with X-40 alloy.
高温低周疲劳(HLF)寿命预测方法对于承受变幅载荷的高温构件的设计具有重要意义。
High temperature low cycle fatigue (HLF) life prediction models have great significance for design of high temperature structure under cycLic loading.
本文对预测高温低周疲劳寿命的FMDF公式作了改进，结果明显提高了精度，使其方便实用。
This paper presents a modification to the FMDF model for predicting high-temperature low-cycle fatigue life, which improves accuracy of the model and facilitates the application of it.
记录了各自的循环应力—应变滞后环，得出了试样的循环响应特征和各试样的高温低周疲劳寿命。
The individual cycle-strain hysteresis loops were recorded, and the cycling response and high temperature low cycle fatigue life were obtained.
结果指出，喷丸引起表面形变层内的上述变化，能够有效地提高粉末合金高温下的高周和低周疲劳性能。
It has been shown that the high cycle and the low cycle fatigue strength can be obviously improved by shot peening.
结果指出，喷丸引起表面形变层内的上述变化，能够有效地提高粉末合金高温下的高周和低周疲劳性能。
It has been shown that the high cycle and the low cycle fatigue strength can be obviously improved by shot peening.
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