Premium
Nonlinear viscoelasticity of a vulcanized elastomer
Author(s) -
Kontou E.
Publication year - 1994
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.1994.070541210
Subject(s) - vulcanization , viscoelasticity , elastomer , superposition principle , materials science , relaxation (psychology) , stress relaxation , composite material , time–temperature superposition , nonlinear system , natural rubber , polymer science , boltzmann constant , thermodynamics , physics , mathematical analysis , mathematics , psychology , social psychology , creep , quantum mechanics
The material nonlinearities in the viscoelastic behavior of rubbers at modest‐to‐large deformations have been studied. A vulcanized network based on the styrene–butadiene elastomer has been tested in stress‐relaxation experiments at room temperature for a wide range of deformations. After time–strain separabality was confirmed, the damping function could be calculated and introduced into the Boltzmann superposition integral. The equilibrium stress–strain behavior of the system could then be described, while comparison with other theoretical equations has also been made. © 1994 John Wiley & Sons, Inc.