A model for the nonisothermal behavior of viscoelastic media

A. D. Drozdov

doi:10.1007/s004190050118

A model for the nonisothermal behavior of viscoelastic media

A. D. Drozdov

Department of Chemical Engineering

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

A new constitutive model is derived for the viscoelastic behavior of polymers under non-isothermal loading. The model extends the concept of adaptive links (entanglements) between polymeric molecules to thermoviscoelastic media. By using experimental data for Nylon-6 and polyisobutylene in the vicinity of the glass-transition temperature, we find parameters of the model and study their dependence on temperature. The model is employed for the numerical analysis of the material response to time-periodic loads under isothermal conditions and to time-varying loads under heating. The results of numerical simulation demonstrate fair agreement with experimental data.

Original language	English
Pages (from-to)	287-302
Number of pages	16
Journal	Archive of Applied Mechanics
Volume	67
Issue number	5
DOIs	https://doi.org/10.1007/s004190050118
State	Published - 1 Jan 1997

Keywords

Constitutive model
Non-isothermal loading
Numerical simulation
Rubber-glass transition
Viscoelasticity

ASJC Scopus subject areas

Mechanical Engineering

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10.1007/s004190050118

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abstract = "A new constitutive model is derived for the viscoelastic behavior of polymers under non-isothermal loading. The model extends the concept of adaptive links (entanglements) between polymeric molecules to thermoviscoelastic media. By using experimental data for Nylon-6 and polyisobutylene in the vicinity of the glass-transition temperature, we find parameters of the model and study their dependence on temperature. The model is employed for the numerical analysis of the material response to time-periodic loads under isothermal conditions and to time-varying loads under heating. The results of numerical simulation demonstrate fair agreement with experimental data.",

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AB - A new constitutive model is derived for the viscoelastic behavior of polymers under non-isothermal loading. The model extends the concept of adaptive links (entanglements) between polymeric molecules to thermoviscoelastic media. By using experimental data for Nylon-6 and polyisobutylene in the vicinity of the glass-transition temperature, we find parameters of the model and study their dependence on temperature. The model is employed for the numerical analysis of the material response to time-periodic loads under isothermal conditions and to time-varying loads under heating. The results of numerical simulation demonstrate fair agreement with experimental data.

KW - Constitutive model

KW - Non-isothermal loading

KW - Numerical simulation

KW - Rubber-glass transition

KW - Viscoelasticity

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EP - 302

JO - Archive of Applied Mechanics

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ER -

A model for the nonisothermal behavior of viscoelastic media

Abstract

Keywords

ASJC Scopus subject areas

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