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首页> 外文会议>Proceeding of An International Conference the Importance of understanding the fundamentals of the fatigue Process in Counteracting Its Effects in Engineering Components and Structures,and to Reflect on the Contributions of K.J.Miller Sheffield/United >A calculation method in high cycle multiaxial fatigue taking into account the stress distribution
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A calculation method in high cycle multiaxial fatigue taking into account the stress distribution

机译：考虑应力分布的高周多轴疲劳计算方法

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摘要

A high cycle multiaxial fatigue criterion based on the distribution in volume of the strain energy density is proposed.The damaging part of this energy is that which exceeds a limit value depending on the material.SEM observations of damage initiation in a spheroidal graphite cast iron and fatigue tests under variable amplitude loadings were used to show this new limit below the usual endurance one.Whatever the loading is,involving a uniaxial or a multiaxial stress state,the predictions of the proposed criterion are loading dependent.This method was tested on smooth cylindrical specimens with several materials; calcuations are in very good agreement with experiments.
机译：提出了基于应变能密度体积分布的高循环多轴疲劳判据，该能量的破坏部分是根据材料的不同而超过极限的值。在可变振幅载荷下的疲劳试验被用来表明这一新极限低于通常的承受力极限。无论载荷是什么，涉及单轴或多轴应力状态，所提出准则的预测都与载荷有关。具有多种材料的标本；计算结果与实验非常吻合。

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