MATEC Web of Conferences
Volume 12, 2014FDMD II - JIP 2014 - Fatigue Design & Material Defects
|Number of page(s)||3|
|Section||Session 2: Probabilistic Model|
|Published online||09 June 2014|
A flexible modelling framework leading to a probabilistic multiaxial Kitagawa-Takahashi diagram: Applied to cast Al-Si alloys
1 LAMPA, Arts et métiers ParisTech, 49000 Angers, France
2 PSA Peugeot Citröen, 92256 La Garenne-Colombes, France
3 I2M, Arts et métiers ParisTech, 33405 Talence Cedex, France
a Corresponding author: firstname.lastname@example.org
The aim of this work is to propose simple analytical tools to predict the fatigue strength of cast aluminium components as a function of the casting process and post-cast treatment. The proposed methodology is based on the Murakami approach to predict the maximum defect size and a flexible modelling framework which leads to the construction of a probabilistic, multiaxial Kitagawa-Takahashi diagram. This framework is capable of modelling two independent co-existing fatigue damage mechanisms. This methodology will be applied to fatigue data taken from the literature as well as tests conducted on AlSi7 cast specimens manufactured via three different processes.
© 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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