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Theses

Modèle d'adhésion cicatrisante et applications au contact verre/élastomère

Abstract : Many problems encountered in industry are concerned with interface evolutions, where contact, friction and adhesion are fundamental topics. This PhD thesis contributes to the development of a model involving adhesion and friction and allowing the healing of the adhesive bonds when the bodies are again pushed closer together after their separation. This model is called model of healing adhesion. In this work the applications concern specifically the contact glass/rubber. The formation of the the adhesion neck, jump-on and jump-off phenomena and the formation and the propagation of the Schallamach waves are investigated. A modelling of the adhesive contact is thus proposed, based on thermodynamic considerations and surface interactions concepts. In addition to the possible healing of the adhesives bonds, the originality of the model is that healing process and damage process are both related to the rate of the solicitation at the interface. According to the applications, the approch allows to consider two potential sources of dissipation. One is called surface dissipation and linked to the behaviour of the interface. The second is called bulk dissipation and linked to the behaviour of the bodies. The dynamic formulation is done within the framework of the non-smooth mechanic. Implementations of appropriate numerical methods and simulations are done in LMGC90 (Montpellier - Marseille). The model is tested with Benchmark and validated with the simulation of a glass/rubber experiment.
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https://tel.archives-ouvertes.fr/tel-00487968
Contributor : Mathieu Schryve <>
Submitted on : Monday, May 31, 2010 - 4:23:24 PM
Last modification on : Thursday, January 23, 2020 - 6:22:03 PM
Long-term archiving on: : Thursday, September 16, 2010 - 4:47:29 PM

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  • HAL Id : tel-00487968, version 1

Citation

Mathieu Schryve. Modèle d'adhésion cicatrisante et applications au contact verre/élastomère. Mécanique [physics.med-ph]. Université de Provence - Aix-Marseille I, 2008. Français. ⟨tel-00487968⟩

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