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