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首页> 外文会议>International Conference on Aluminum Alloys >About the Challenge in Determining the Cyclic Material Behavior of Aluminum Alloys for Numerical Fatigue Analyses
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About the Challenge in Determining the Cyclic Material Behavior of Aluminum Alloys for Numerical Fatigue Analyses

机译：关于测定铝合金循环材料的数值疲劳分析的挑战

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Knowledge of the cyclic material behavior is needed for a proper estimation of fatigue life. Depending on the design concept, different equations are required to describe the fatigue behavior. For the local strain concept, the cyclic material properties, according to the rules of Manson-Coffin-Basquin and Ramberg-Osgood, are very popular. For the stress concept, High Cycle and Very High Cycle Fatigue modifications of the Basquin's rule are used. Basically, these rules were not developed for aluminum alloys and are limited to a small range of fatigue life. Since the 1970s, several ongoing investigations had shown that these rules do not fit the experimental results in a proper way for materials other than standard steels. For this reason, a new method for describing the strain S-N curve and new testing facilities for the experimental investigation of the cyclic material behavior of aluminum alloys, for the whole range of fatigue life, will be presented.
机译：需要了解循环材料行为，以适当估计疲劳寿命。根据设计概念，需要不同方程来描述疲劳行为。对于当地应变概念，循环材料特性，根据Manson-Coffin-Fabquin和Ramberg-Osgood的规则，非常受欢迎。对于压力概念，使用高循环和非常高的周期疲劳修改了基金规则。基本上，这些规则不是为铝合金开发的，并且限于少量疲劳寿命。自20世纪70年代以来，几次正在进行的调查表明，这些规则不适合标准钢之外的材料的适当方式实验结果。因此，将提出一种新方法，用于描述铝合金环状物质行为的实验研究的菌株S-N曲线和新的测试设施，用于整个疲劳寿命。

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