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A mean stress model of fatigue life of metal materials under multiaxial loading


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Abstract

Due to the complexity of multiaxial fatigue damage of metal materials, up to date, it is still
a challenging task to establish a multiaxial fatigue model with influence of different mean
stress. In this paper, a linear mean stress model is presented on basis of the multiaxial model
of fatigue life of metal materials by Liu and Yan. By using the experimental data of fatigue
life of metal materials reported in the literature, the model is systematically validated.

Keywords

multiaxial fatigue, mean stress, metallic materials

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