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Journal of Materials Engineering and Performance
Published in: Journal of Materials Engineering and Performance 4/2017

27-02-2017

Service Lifetime Estimation of EPDM Rubber Based on Accelerated Aging Tests

Authors: Jie Liu, Xiangbo Li, Likun Xu, Tao He

Published in: Journal of Materials Engineering and Performance | Issue 4/2017

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Abstract

Service lifetime of ethylene propylene diene monomer (EPDM) rubber at room temperature (25 °C) was estimated based on accelerated aging tests. The study followed sealing stress loss on compressed cylinder samples by compression stress relaxation methods. The results showed that the cylinder samples of EPDM can quickly reach the physical relaxation equilibrium by using the over-compression method. The non-Arrhenius behavior occurred at the lowest aging temperature. A significant linear relationship was observed between compression set values and normalized stress decay results, and the relationship was not related to the ambient temperature of aging. It was estimated that the sealing stress loss in view of practical application would occur after around 86.8 years at 25 °C. The estimations at 25 °C based on the non-Arrhenius behavior were in agreement with compression set data from storage aging tests in natural environment.
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Metadata
Title
Service Lifetime Estimation of EPDM Rubber Based on Accelerated Aging Tests
Authors
Jie Liu
Xiangbo Li
Likun Xu
Tao He
Publication date
27-02-2017
Publisher
Springer US
Published in
Journal of Materials Engineering and Performance / Issue 4/2017
Print ISSN: 1059-9495
Electronic ISSN: 1544-1024
DOI
https://doi.org/10.1007/s11665-017-2519-8

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