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首页> 外文期刊>Journal of aerospace engineering >Modified Three-Parameter Model to Predict Compressor Blade Fatigue Life under Vibration Loading
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Modified Three-Parameter Model to Predict Compressor Blade Fatigue Life under Vibration Loading

机译:修改的三参数模型预测压缩机叶片疲劳寿命下的振动载荷

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摘要

This paper investigates steel alloy stator blade flexural vibration characteristics and fatigue properties analytically using flexural fatigue tests. First, fatigue life data reliability is analyzed and theoretical strain endurance limit Delta epsilon(C) deficiencies are assessed. A model from the literature is used to predict fatigue life using fatigue test data for four steel alloys to derive an extended estimation expression for the strain endurance limit. The proposed three-parameter fatigue life models can be applied to estimate steel alloy blade fatigue life in practical working environments. (c) 2019 American Society of Civil Engineers.
机译:本文通过抗弯疲劳试验调查了分析钢合金定子叶片弯曲振动特性和疲劳性能。首先,分析了疲劳寿命数据可靠性,评估理论应变耐久性限制δε(c)缺陷。来自文献的模型用于预测使用四钢合金的疲劳试验数据来预测疲劳寿命,从而导出应变耐久极限的延长估计表达。所提出的三参数疲劳寿命模型可用于估算实际工作环境中的钢合金叶片疲劳寿命。 (c)2019年美国土木工程学会。

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