Time and temperature dependent response and relaxation of a soft polymer

Akhtar S. Khan; Oscar Lopez-Pamies

doi:10.1016/S0749-6419(02)00003-7

Time and temperature dependent response and relaxation of a soft polymer

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

Abstract

A comprehensive study on the compressive uniaxial mechanical response of the polymer Adiprene-L100, a polyether urethane-based rubber, is presented. Quasi-static and dynamic experiments, under compression, were performed at a wide range of strain rates (10^-5≤ε̇≤5000 s^-1) and temperatures (-100≤T≤270°F). The behavior of the polymer was found to be nonlinear and highly dependent on both, strain rate and temperature. Adiprene-L100 exhibited stress relaxation, dependent on strain rate, initial strain and stress levels at room temperature. The viscoplastic strain was found to be negligibly small.

Original language	English (US)
Pages (from-to)	1359-1372
Number of pages	14
Journal	International journal of plasticity
Volume	18
Issue number	10
DOIs	https://doi.org/10.1016/S0749-6419(02)00003-7
State	Published - Aug 26 2002
Externally published	Yes

Keywords

Polymeric materials
Stress relaxation

ASJC Scopus subject areas

Materials Science(all)
Mechanics of Materials
Mechanical Engineering

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AB - A comprehensive study on the compressive uniaxial mechanical response of the polymer Adiprene-L100, a polyether urethane-based rubber, is presented. Quasi-static and dynamic experiments, under compression, were performed at a wide range of strain rates (10-5≤ε̇≤5000 s-1) and temperatures (-100≤T≤270°F). The behavior of the polymer was found to be nonlinear and highly dependent on both, strain rate and temperature. Adiprene-L100 exhibited stress relaxation, dependent on strain rate, initial strain and stress levels at room temperature. The viscoplastic strain was found to be negligibly small.

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