Functional grading of rubber tubes within the context of a molecularly inspired finite thermoelastic model

The concept of functional grading is applied to rubber-like materials within the framework of finite thermoelasticity. A phenomenological stress-strain relation is proposed to account for the finite chain extensibility, the entropic origin for the stress, as well as the graded nature of rubbers. As...

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Bibliographic Details
Published in:Acta mechanica 2004-05, Vol.169 (1-4), p.79-85
Main Author: BILGILI, E
Format: Article
Language:English
Subjects:
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Materials elasticity
Physics
Rubber products
Solid mechanics
Stress-strain curves
Structural and continuum mechanics
Temperature
Theory and numerical methods
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Summary:The concept of functional grading is applied to rubber-like materials within the framework of finite thermoelasticity. A phenomenological stress-strain relation is proposed to account for the finite chain extensibility, the entropic origin for the stress, as well as the graded nature of rubbers. As an application, the azimuthal shearing of a hollow rubber tube subjected to thermal loading is considered with a view toward minimizing the strain inhomogeneity, and an optimum grading for each temperature gradient is presented. [PUBLICATION ABSTRACT]
ISSN:0001-5970
1619-6937
DOI:10.1007/s00707-004-0094-1