Prediction of self-heating measurements under proportional and non-proportional multiaxial cyclic loadings

Martin Poncelet; Cédric Doudard; Sylvain Calloch; François Hild; Bastien Weber; André Galtier

doi:10.1016/j.crme.2007.01.002

Prediction of self-heating measurements under proportional and non-proportional multiaxial cyclic loadings

Presented by: Évariste Sanchez-Palencia

Martin Poncelet ¹ ; Cédric Doudard ²; Sylvain Calloch ²; François Hild ¹; Bastien Weber ³; André Galtier ³

¹ LMT-Cachan, ENS de Cachan, CNRS–UMR 8535, université Paris 6, 61, avenue du Président-Wilson, 94235 Cachan cedex, France
² Laboratoire de mécanique des structures navales, ENSIETA, 2, rue François-Verny, 29806 Brest cedex 9, France
³ ARCELOR Research, voie romaine, BP 30320, 57283 Maizières-lès-Metz cedex, France

Comptes Rendus. Mécanique, Volume 335 (2007) no. 2, pp. 81-86.

Abstract
Résumé

Self-heating measurements under cyclic loadings allow for fast estimations of fatigue properties. These tests are performed under tension–torsion loadings on a medium-carbon steel and a model accounting for heterogeneities is proposed to analyse heat transfer results. Both proportional and non-proportional loading paths are predicted.

Les essais d'auto-échauffement permettent une estimation rapide des caractéristiques de fatigue. Ils sont réalisés ici sur un acier C45 sous chargements de traction–torsion. Un modèle prenant en compte l'hétérogénéité de la dissipation est proposé. Il permet de rendre compte des mesures thermiques sous trajets proportionnels et non-proportionnels.

Received: 2006-10-04
Accepted: 2007-01-09
Published online: 2007-02-01

DOI: 10.1016/j.crme.2007.01.002

Keywords: Fatigue, Microplasticity, Poisson point process, Heterogeneous stress, Dissipation
Mot clés : Fatigue, Microplasticité, Processus ponctuel de Poisson, Contraintes hétérogènes, Dissipation

Author's affiliations:

Martin Poncelet ¹; Cédric Doudard ²; Sylvain Calloch ²; François Hild ¹; Bastien Weber ³; André Galtier ³

¹ LMT-Cachan, ENS de Cachan, CNRS–UMR 8535, université Paris 6, 61, avenue du Président-Wilson, 94235 Cachan cedex, France
² Laboratoire de mécanique des structures navales, ENSIETA, 2, rue François-Verny, 29806 Brest cedex 9, France
³ ARCELOR Research, voie romaine, BP 30320, 57283 Maizières-lès-Metz cedex, France

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     author = {Martin Poncelet and C\'edric Doudard and Sylvain Calloch and Fran\c{c}ois Hild and Bastien Weber and Andr\'e Galtier},
     title = {Prediction of self-heating measurements under proportional and non-proportional multiaxial cyclic loadings},
     journal = {Comptes Rendus. M\'ecanique},
     pages = {81--86},
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     volume = {335},
     number = {2},
     year = {2007},
     doi = {10.1016/j.crme.2007.01.002},
     language = {en},
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Martin Poncelet; Cédric Doudard; Sylvain Calloch; François Hild; Bastien Weber; André Galtier. Prediction of self-heating measurements under proportional and non-proportional multiaxial cyclic loadings. Comptes Rendus. Mécanique, Volume 335 (2007) no. 2, pp. 81-86. doi : 10.1016/j.crme.2007.01.002. https://comptes-rendus.academie-sciences.fr/mecanique/articles/10.1016/j.crme.2007.01.002/

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