Issue 38

D. Marhabi et alii, Frattura ed Integrità Strutturale, 38 (2016) 36-46; DOI: 10.3221/IGF-ESIS.38.05 46 Rb W ; Rb ω Energy density and over-energy on the area S* under rotating bending *  Critical stress and their effect on physically small crack; *W Energy supplied to the material at the critical stress; Eq m Te * 2 2 *2 ,      Equivalent critical stress under axial loading; Te , 1   ; Rb , 1   Endurance limit under fully alternate tensile and rotating bending D Uniax  Over-energy value at the endurance limit; Rb d ,  Over-energy on the area S* under dissymmetrical rotating bending