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Impact of strain-induced softening on the fracture of a carbon-black filled styrene butadiene rubber

  • D. Roucou
  • , J. Diani
  • , M. Brieu
  • , D. Roucou
  • , A. Mbiakop-Ngassa
  • Ecole Centrale de Lille
  • Department of Mechanics École Polytechnique
  • California State University-Los Angeles
  • Manufacture Francaise des Pneumatiques Michelin

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Résumé

The effect of strain-softening due to Mullins effect on the propagation of a crack is experimentally investigated by applying various pre-stretches to a non-crystallizing carbon-black filled elastomer, followed by crack propagation tests. Pure shear tests carried at constant crosshead speed on notched samples, are chosen to characterize crack growth properties. The stretches at which critical propagation is observed are measured, allowing calculation of the critical energy release rate. For a given geometry, the values of critical stretches are found to be always identical to the virgin material‘s within experimental accuracy, independantly from the pre-stretch. However the calculated energy release rates are found to decrease with increasing strain-softening.

langue originaleAnglais
titreConstitutive Models for Rubber XI - Proceedings of the 11th European Conference on Constitutive Models for Rubber, 2019
rédacteurs en chefBertrand Huneau, Jean-Benoit Le Cam, Yann Marco, Erwan Verron
EditeurCRC Press/Balkema
Pages528-532
Nombre de pages5
ISBN (imprimé)9780367342586
Les DOIs
étatPublié - 1 janv. 2019
Modification externeOui
Evénement11th European Conference on Constitutive Models for Rubber, 2019 - Nantes, France
Durée: 25 juin 201927 juin 2019

Série de publications

NomConstitutive Models for Rubber XI - Proceedings of the 11th European Conference on Constitutive Models for Rubber, 2019

Une conférence

Une conférence11th European Conference on Constitutive Models for Rubber, 2019
Pays/TerritoireFrance
La villeNantes
période25/06/1927/06/19

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