1) multiaxial fatigue at high temperature
高温多轴疲劳
2) multi-axial high cyclic fatigue
多轴高周疲劳
1.
Compared with the traditional S-N relations,the developed relationship approaches as a power-function not an exponent function,which provides a new way to determine blade fatigue life and investigate material multi-axial high cyclic fatigue.
叶片振动疲劳寿命与af值关系的建立,一方面提供了确定叶片振动疲劳寿命的可能,另一方面提供了研究材料多轴高周疲劳行为的新途径。
3) multi-axial fatigue
多轴疲劳
1.
Based on the fatigue test results of SAE 1045 medium carbon steel,the multi-axial fatigue life predication models for different ratios of torsional nominal stress amplitude to the axial one are studied respectively.
基于SAE 1045中碳钢的单-多轴疲劳试验结果,在研究了扭转名义应力幅与拉伸名义应力幅不同比值时的多轴疲劳寿命预测模型之后,建立了统一的多轴疲劳寿命预测模型。
2.
The establishment of the technique provides technique support and convenient experimental conditions for investigation of multi-axial fatigue of engineering material and the design,life prediction and life extension of engineering parts at high temperature.
该技术的建立为进行工程材料的高温多轴疲劳特性研究,以及工程热端零部件的工程设计、定寿和延寿等提供了技术支持和便利的试验条件。
3.
Based on the fatigue test results of SAE 1045 medium carbon steel and 40CrNiMo alloy steel,the axial and multi-axial fatigue life predication models are founded respectively.
基于SAE 1045中碳钢和40CrNiMo合金钢的疲劳试验结果,分别建立了单轴和多轴疲劳应变-寿命模型,寻求了两种模型的关系,发现:就所研究的两种材料而言,如果假设单轴疲劳应变-寿命模型(Manson-Coffin方程)中的疲劳强度指数和疲劳延性指数不变,而对疲劳强度系数乘以1。
4) multiaxial fatigue
多轴疲劳
1.
Experimental study on the multiaxial fatigue behavior of filamentwound glass-fibre/epoxy composite tubes under biaxial tension/torsion loading was presented,and a lot of meaningful experimental data were obtained.
采用缠绕成型的玻璃纤维增强聚合物基复合材料管型试样,对复合材料在拉扭双轴载荷作用下的多轴疲劳行为进行了实验研究。
2.
Multiaxial fatigue behavior of superalloy GH4169 was investigated by using the thin tubular multiaxial fatigue specimens under proportional and non-proportional loadings at high temperature.
利用薄壁管拉扭疲劳试样,在高温控制应变循环加载下研究高温合金GH4169的多轴疲劳行为。
3.
Recent advances in micromechanisms of multiaxial fatigue under nonproportional loading are presented in the paper.
综述了近年来国内外在非比例载荷下多轴疲劳微观机理研究的进展和现状,着重从材料微结构变化方面讨论了附加强化理论及其影响因素,并提出了今后在非比例载荷下多轴疲劳微观机理研究工作方面的设想。
5) high temperature fatigue
高温疲劳
1.
Research on High Temperature Fatigue Life Models of Powder Metallurgy;
粉末高温合金高温疲劳寿命模型研究
2.
The results show that the increase of stress range value would result in decreasing the high temperature fatigue lifetime of the alloy and the difference of the deformation mechanism.
结果表明,应力幅值的增加会导致合金高温疲劳寿命的下降及使变形机制改变。
补充资料：高温
较高的温度，在不同的情况下所指的具体数值不同，例如在某些技术上指几千摄氏度以上，在工作场所指32摄氏度以上。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条