PSI - Issue 39

3

Nina Selyutina et al. / Procedia Structural Integrity 39 (2022) 157–160 Author name / Structural Integrity Procedia 00 (2019) 000–000

159

Fig. 1. The static strain diagrams of steel C45E before and after quenching at 840 ◦C .

Fig. 2. (a) The hysteresis loops of steel C45E at 750 cycle, and (b) The dependencies of width of hysteresis loop of steel C45E on cycle number at constant amplitude 0.6 % and two strain rate v = 0.5 and 0.55 % /s.

Fig. 3. (a) The hysteresis loops of steel C45E at 100 and 2050 cycles, and (b) The dependencies of width of hysteresis loop of steel C45E for two loading regimes: ε a = 0.6 %, v = 0.5 %/s and ε a = 0.7 %, v = 0.65 % /s.