Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
781570 | International Journal of Fatigue | 2009 | 7 Pages |
Abstract
In the present paper, the fatigue propagation of an initial sickle-shaped surface crack in a metallic round bar under eccentric axial loading acting perpendicular to the crack plane is examined. Firstly, the stress-intensity factor (SIF) along the crack front is determined through a three-dimensional finite element analysis and the one-quarter point displacement method, for different values of the loading eccentricity. Then, the fatigue behaviour of the cracked bar is numerically analysed by a step-by-step procedure based on the Paris–Erdogan law. The results are plotted in terms of crack paths, intersection angle and crack depth evolution, by varying the loading eccentricity.
Related Topics
Physical Sciences and Engineering
Engineering
Mechanical Engineering
Authors
Andrea Carpinteri, Sabrina Vantadori,