Effect of Mean Stress on the Low-Cycle Fatigue Strength : Stress Amplitude-Mean Stress Relation for a Given Life

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概要

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• With use of the main results already obtained from the low-cycle fatigue tests with mean stress for several materials, the authors derived theoretically the following expression : [numerical formula] where σ denotes the uniaxial stress and suffixes a, m, and e mean the stress amplitude, the mean stress, and the fatigue strength under completely reversed stress cycling for a given values of N_f ; and ζ is a material constant. This formula was checked against the experimental data obtained from some papers. The examination shows that the above formula may be used to express the effect of mean stress on the low-cycle fatigue strength approximately.

• 一般社団法人日本機械学会の論文

著者

• Shiratori Eiryo

  Research Laboratory Of Precision Machinery And Electronics Tokyo Institute Of Technology

• Obataya Yoichi

  Associate Research Laboratory Of Precision Machinery And Electronics Tokyo Institute Of Technology

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