MATEC Web of Conferences
Volume 12, 2014FDMD II - JIP 2014 - Fatigue Design & Material Defects
|Number of page(s)||3|
|Section||Session 1: Introduction (Fracture Mechanics, Castings, VHCF)|
|Published online||09 June 2014|
Analysis of the influence of defects on fatigue resistance of metallic components
Research Institute for Material Science (INTEMA), University of Mar del Plata - CONICET J.B. Justo, 4302 (7600) Mar del Plata, Argentina
a Corresponding author: firstname.lastname@example.org
The influence of defect on fatigue resistance of components is carried out by using a propagation threshold approach to estimate the high cycle fatigue resistance of components from data of intrinsic properties of the material. The Chapetti's threshold curve for fatigue crack propagation is used, which includes the short crack regime. The approach accounts for the effective driving force applied to the crack as the difference between the total driving force applied to the component, ΔK, and the threshold for fatigue crack propagation of the material, ΔKth. Application to analyze the influence of plate thickness on fatigue resistance of welded joints is presented.
© Owned by the authors, published by EDP Sciences, 2014
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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