Cyclic creep and fracture of molybdenum TsM-6 and TsM-10 alloys temperatures

Characteristics of cyclic creep and low-cycle fatigue of plates and sheets of molybdenum TsM-6 and TsM-10 alloys are studied at 1500 and 1750 deg C and in a trapezoidal cycle of the loading change. Empirical dependences of velocity of the steady cyclic creep and the number of cycles prior to the failure on the maximal stresses of the cycle are established. It is shown that these dependences for TsM-6 alloy at 1500 and 1750 deg C and for TsM-10 alloy at 1500 deg C may be satisfactorily described proceeding from the experimental data obtained under long-term static loading in terms of notions about equivalent stresses and hypothesis of the linear summation of damages