Abstract
The specimens of a high carbon chromium steel were quenched and tempered at 150°C, 180°C and 300°C. Such specimens were tested via rotating bending and a push-pull type of axial loading to investigate the influences of loading condition on the behaviour of very-high-cycle fatigue (VHCF). Experimental results show the different influences of inclusion size on the fatigue life for the two loading conditions. Predominant factors and mechanism for the fine-granular-area (FGA) of crack origin were discussed. In addition, a reliability analysis based on a modified Tanaka-Mura model was carried out to evaluate the sensitivity of inclusion size, stress, and ΔK FGA to the life of VHCF crack initiation.
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Lei, Z., Xie, J., Sun, C. et al. Effects of loading condition on very-high-cycle fatigue behaviour and dominant variable analysis. Sci. China Phys. Mech. Astron. 57, 74–82 (2014). https://doi.org/10.1007/s11433-013-5332-x
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DOI: https://doi.org/10.1007/s11433-013-5332-x