[Prévision d'essais d'auto-échauffement sous chargements multiaxiaux hétérogènes]
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.
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.
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Mots-clés : Fatigue, Microplasticité, Processus ponctuel de Poisson, Contraintes hétérogènes, Dissipation
Martin Poncelet 1 ; Cédric Doudard 2 ; Sylvain Calloch 2 ; François Hild 1 ; Bastien Weber 3 ; André Galtier 3
@article{CRMECA_2007__335_2_81_0, 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}, publisher = {Elsevier}, volume = {335}, number = {2}, year = {2007}, doi = {10.1016/j.crme.2007.01.002}, language = {en}, }
TY - JOUR AU - Martin Poncelet AU - Cédric Doudard AU - Sylvain Calloch AU - François Hild AU - Bastien Weber AU - André Galtier TI - Prediction of self-heating measurements under proportional and non-proportional multiaxial cyclic loadings JO - Comptes Rendus. Mécanique PY - 2007 SP - 81 EP - 86 VL - 335 IS - 2 PB - Elsevier DO - 10.1016/j.crme.2007.01.002 LA - en ID - CRMECA_2007__335_2_81_0 ER -
%0 Journal Article %A Martin Poncelet %A Cédric Doudard %A Sylvain Calloch %A François Hild %A Bastien Weber %A André Galtier %T Prediction of self-heating measurements under proportional and non-proportional multiaxial cyclic loadings %J Comptes Rendus. Mécanique %D 2007 %P 81-86 %V 335 %N 2 %I Elsevier %R 10.1016/j.crme.2007.01.002 %G en %F CRMECA_2007__335_2_81_0
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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