Comptes Rendus
Identification of the scatter in high cycle fatigue from temperature measurements
[Identification de la dispersion des limites d'endurance à l'aide d'un essai d'échauffement.]
Comptes Rendus. Mécanique, Volume 332 (2004) no. 10, pp. 795-801.

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.

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.

Reçu le :
Accepté le :
Publié le :
DOI : 10.1016/j.crme.2004.06.002
Keywords: Fatigue, Microplasticity, Poisson point process, Weibull model
Mot clés : Fatigue, Microplasticité, Processus ponctuel de Poisson, Modèle de Weibull
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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     title = {Identification of the scatter in high cycle fatigue from temperature measurements},
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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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