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首页> 外文会议>International Conference on Manufacturing Engineering and Technology for Manufacturing Growth >Sensitivity Study on Parameters for Fatigue-Creep Modeling of Stainless Steel Materials
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Sensitivity Study on Parameters for Fatigue-Creep Modeling of Stainless Steel Materials

机译：不锈钢材料疲劳蠕变建模参数的敏感性研究

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In present paper, sensitivity study on parameters for fatigue-creep model of stainless steel materials has been carried out. An analytical model has been established to predict fatigue-creep life of AISI347 stainless steel. Manson's Universal Slopes equation has been used as an empirical correlation which relates fatigue endurance to tensile properties. Different creep prediction models have been studied in order to correlate the results of shout-time elevated temperature tests with long-term service performance at more moderate temperatures. Comparison between the different creep prediction models and experimental results were carried out for a range of stresses and temperatures. A linear damage summation method has been used to combined fatigue and creep. The results of sensitivity analysis indicate that strain range and temperature have very significant influence on creep-fatigue life estimation.
机译：本文采用了对不锈钢材料疲劳蠕变模型参数的敏感性研究。已经建立了一种分析模型，以预测AISI347不锈钢的疲劳蠕变寿命。 Manson的Universal Slopes方程已被用作经验相关性，其将疲劳耐久性与拉伸性能相关。已经研究了不同的蠕变预测模型，以便在更适中的温度下将呼叫时间高温测试的结果与长期的服务性能相关联。在一系列应力和温度下进行不同蠕变预测模型和实验结果之间的比较。线性损伤求和方法已用于组合疲劳和蠕变。敏感性分析结果表明应变范围和温度对蠕变 - 疲劳寿命估计影响非常显着。

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