Abstract
Low-cycle fatigue under a hard loading cycle of a nickel-based heat-resistant single-crystal alloy with 001 crystallographic orientation at operating temperature is studied. The dependences of the change in the stress asymmetry coefficient on the number of cycles to failure are obtained. The fatigue curve and predictive curves obtained using shortterm strength characteristics are compared. Keywords: low-cycle fatigue, high-temperature alloy, single-crystal structure, nickel alloy, Basquin—Manson—Coffin equation, prediction of fatigue resistance characteristics. lab33@viam.ru
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