PS55 Generalized Tangential Stress Range-Compressive Stress Range Diagram for Predicting Fretting Fatigue Strength

概要

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Stress distribution at the contact edge is kno to have an influence on fretting fatigue strength Stresses acting on the contact surface are tangential stress and compressive stress. It has been reported that the fretting fatigue strength can be successfully predicted based on tangential stress range - compressive stress range diagram. However tangential stress range - compressive stress range diagram is a material property and it can be applicable for the material it concern. In the present study, a generalized tangential stress range - compressive stress range diagram to predict the fretting fatigue strength irrespective of material strength has been proposed. The generalized tangential stress range - compressive stress range diagram was obtained by nonnalizing tangential stress range and compressive stress range using tensile strength After normalizing the data points of tangential stress range - compressive stress range diagram showed a linear relationship irrespective of material strength.
一般社団法人日本機械学会の論文
2010-10-09