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《MECHANICS AND ENGINEERING》 1998-03
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THE APPROXIMATE CURVE FOR PERSISTENT LIMIT AND THE CRITERION FOR FATIGUE STRENGTH AND YIELD STRENGTH

SU Jilong (Department of Mechanical and Electrical Engineering, Fujian Agricultural University, Fuzhou \ 350002, China)  
An approximate calculated formula for σ 0 of a material is provided by means of σ -1 and σ b of the material. Based on the study, the criterion for fatigue strength and yield strength for a member when the stress cyclic character r 0 is also obtained in this paper.
【CateGory Index】: TB301
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