Journal of Theoretical
and Applied Mechanics
0, 0, pp. , Warsaw 0

Stress-life curve for high and low cycle fatigue

Marta Kurek, Andrzej Kurek, Tadeusz Łagoda
The paper contains a proposal of a new model for stress-life curve. The new model reflects the nature of the stress curve, occurring under actual conditions, which means its shape of inclined letter S. It can be used for both low and high cycle fatigue. Verification of the proposed model was performed on experimental results of ten various materials from three main types that are low-alloy, high-alloy and non-alloy steels
Keywords: Stress–life curves, Steels and alloys, Low-cycle fatigue, High-cycle fatigue

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