Identification of the scatter in high cycle fatigue from temperature measurements

Cédric Doudard; Sylvain Calloch; François Hild; Philippe Cugy; André Galtier

doi:10.1016/j.crme.2004.06.002

Identification of the scatter in high cycle fatigue from temperature measurements

Presented by: Évariste Sanchez-Palencia

Cédric Doudard ¹ ; Sylvain Calloch ¹; François Hild ¹; Philippe Cugy ²; André Galtier ²

¹ LMT-Cachan, ENS de Cachan, CNRS UMR 8535, université Paris 6, 61, avenue du Président Wilson, 94235 Cachan cedex, France
² IRSID-Arcelor, voie romaine, BP 30320, 57283 Maizières-lès-Metz cedex, France

Comptes Rendus. Mécanique, Volume 332 (2004) no. 10, pp. 795-801.

Abstract
Résumé

It is proposed to determine the scatter in a Wöhler diagram by analyzing temperature changes induced by microplasticity. A unified framework is introduced to study both phenomena. The identification procedure is applied to a dual-phase steel.

Une détermination de la dispersion dans un diagramme de Wöhler est proposée à partir de l'évolution de la température induite par de la microplasticité. Un cadre unifié est introduit pour décrire ces deux phénomènes. La procédure d'identification est appliquée à un acier biphasé.

Received: 2004-02-10
Accepted: 2004-06-01
Published online: 2004-08-10

DOI: 10.1016/j.crme.2004.06.002

Keywords: Fatigue, Microplasticity, Poisson point process, Weibull model
Mots-clés : Fatigue, Microplasticité, Processus ponctuel de Poisson, Modèle de Weibull

Author's affiliations:

Cédric Doudard ¹; Sylvain Calloch ¹; François Hild ¹; Philippe Cugy ²; André Galtier ²

¹ LMT-Cachan, ENS de Cachan, CNRS UMR 8535, université Paris 6, 61, avenue du Président Wilson, 94235 Cachan cedex, France
² IRSID-Arcelor, voie romaine, BP 30320, 57283 Maizières-lès-Metz cedex, France

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     author = {C\'edric Doudard and Sylvain Calloch and Fran\c{c}ois Hild and Philippe Cugy and Andr\'e Galtier},
     title = {Identification of the scatter in high cycle fatigue from temperature measurements},
     journal = {Comptes Rendus. M\'ecanique},
     pages = {795--801},
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Cédric Doudard; Sylvain Calloch; François Hild; Philippe Cugy; André Galtier. Identification of the scatter in high cycle fatigue from temperature measurements. Comptes Rendus. Mécanique, Volume 332 (2004) no. 10, pp. 795-801. doi : 10.1016/j.crme.2004.06.002. https://comptes-rendus.academie-sciences.fr/mecanique/articles/10.1016/j.crme.2004.06.002/

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