文章详细信息 关键词： 临界平面;;多轴疲劳;;短裂纹扩展速度;;能量密度 [gap=576]Keywords: critical plane;multi-axial fatigue;short crack growth rate;energy density
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...论文网 Keywords:multi-axle fatigue; equivalent cycle counting algorithm; critical plane theory [gap=162]关键词:多轴疲劳;等效变程计数法;临界面法 ...
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The multiaxial fatigue theory based on the critical plane theory is stated in detail and it is fit for random load combined with weight function method.
详细阐述了基于临界平面法的多轴疲劳理论,结合权函数法使之可以应用于随机载荷。
参考来源 - 多轴载荷下发动机中介机匣强度与寿命研究Several multiaxial fatigue life models are used to correlate thetorsional fatigue and tensional fatigue.
3、利用现有多轴疲劳寿命模型将轴向疲劳和剪切疲劳有机地联系起来，讨论了几种不同寿命预测模型的精度。
参考来源 - 40CrNiMoA钢的疲劳特性实验研究Thirdly, in this paper fatigue crack growth is treated by damage method. Fatigue damage is assessed based on detailed stress and strain near the crack tip by using an incremental multi-axial fatigue criterion.
再者，研究中将疲劳裂纹扩展看作是裂纹连续成核的一个过程，利用理想弹塑性模型，计算分析裂纹尖端的弹塑性循环应力应变场，通过增量多轴疲劳准则评估疲劳损伤。
参考来源 - 基于ANSYS的16MnR钢疲劳裂纹扩展分析·2,447,543篇论文数据，部分数据来源于NoteExpress
介绍多轴疲劳研究的几个主要问题。
Several important problems related to the multi-axial fatigue have been studied.
根据该参量，本文建立了多轴疲劳寿命预测模型。
A multiaxial fatigue life prediction model was built by means of the proposed multiaxial fatigue damage parameter.
低循环多轴疲劳失效是航空发动机低压压气机轮盘的主要失效形式。
Low cycle multiaxial fatigue failure is the main failure mode of aeroengine compressor disk.
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