Issue 40

V. Mazánová et alii, Frattura ed Integrità Strutturale, 40 (2017) 162-169; DOI: 10.3221/IGF-ESIS.40.14 165 (a) (b) Figure 4 : Cyclic hardening/softening curves in in-phase cycling: (a) shear stress amplitude vs. number of cycles, (b) plastic shear strain amplitude vs. number of cycles. (a) (b) Figure 5 : Cyclic hardening/softening curves during 90°out-of-phase cycling: (a) uniaxial stress amplitude vs. number of cycles, (b) plastic strain amplitude vs. number of cycles . (a) (b) Figure 6 : Cyclic hardening/softening curves in 90°out-of-phase cycling: (a) shear stress amplitude vs. number of cycles, (b) plastic shear strain amplitude vs. number of cycles.