Thermomechanical Analysis of the Singular Behavior of Rubber: Entropic Elasticity, Reinforcement by Fillers, Strain-Induced Crystallization and the Mullins Effect

This paper deals with the calorimetric effects accompanying the deformation of rubbers. For this purpose, temperature variations are measured during the mechanical tests by means of infrared thermography. The heat sources produced or absorbed by the material due to deformation processes are deduced...

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Bibliographic Details
Published in:Experimental mechanics 2015-04, Vol.55 (4), p.771-782
Main Authors: Le Cam, J.-B., Samaca Martinez, J. R., Balandraud, X., Toussaint, E., Caillard, J.
Format: Article
Language:English
Subjects:
Biomedical Engineering and Bioengineering
Characterization and Evaluation of Materials
Civil Engineering
Control
Dynamical Systems
Engineering
Engineering Sciences
Lasers
Materials
Matériaux composites et construction
Mechanics
Mechanics of materials
Optical Devices
Optics
Photonics
Physics
Solid Mechanics
Structures
Vibration
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Summary:This paper deals with the calorimetric effects accompanying the deformation of rubbers. For this purpose, temperature variations are measured during the mechanical tests by means of infrared thermography. The heat sources produced or absorbed by the material due to deformation processes are deduced from the temperature variations by using the heat diffusion equation. The calorimetric signatures of the most important effects in rubber deformation, i.e. entropic elasticity, reinforcement by fillers, strain-induced crystallization and the Mullins effect, have been characterized. These results bring information of importance for the understanding and the modeling of physical phenomena involved in the rubber deformation.
ISSN:0014-4851
1741-2765
DOI:10.1007/s11340-014-9908-9