MATEC Web of Conferences
Volume 12, 2014FDMD II - JIP 2014 - Fatigue Design & Material Defects
|Number of page(s)||3|
|Section||Session 8.2: Multiaxial Stress Effect|
|Published online||09 June 2014|
Thermo-mechanical behavior and fatigue strength of a grey cast iron for automotive brake discs considering graphite flakes debonding
1 LMT Cachan, 61 avenue du Président Wilson, 94230 FCachan, France
2 PSA Peugeot Citroën, Route de Gisy, 78943 Vélizy-Villacoublay Cedex, France
3 Messier-Bugatti-Dowty, Inovel Parc Sud, 78140 Vélizy-Villacoublay, France
a Corresponding author: firstname.lastname@example.org
This paper aims at developing an approach for thermo-mechanical fatigue design of automotive brake discs made of lamellar graphite (grey) cast-iron. The first step consists of modelling the nonlinear cyclic behavior and tension/compression strong dissymmetry of grey cast iron. The proposed model is based on the introduction of a second-order induced damage tensor. From the analysis of the damage mechanisms, a fatigue criterion based on the dissipated energy per cycle is proposed.
© 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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