3D‐FE automatic procedure to evaluate the fatigue life extension by overloading

Abstract

The present paper proposes a three-dimensional numerical approach able to account for the effect of overloads on fatigue life extension in cracked geometries. The procedure starts with the analysis of the overload effects on plasticity induced crack closure via a three-dimensional elastic-plastic approach based on the node release technique. Then, the relationships between the crack opening values and the fatigue crack growth rates are introduced into the fatigue crack growth models, developed in the light of the adaptive remeshing concept, to estimate the fatigue lifetime.

The mechanism on surface integrity and fatigue performance of double‐sided micro‐cutting enhanced FeCoCrNiAl0.6 high entropy alloy

“…This finding is consistent with the literature 18,30. Although the growth rate for double‐sided cutting lags somewhat behind that of single‐sided cutting 23,24 , the former maintains a consistent advantage of about 10% in cycle numbers under equivalent speeds.…”