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An investigation into the long-term viscoelastic recovery of Nylon 6,6 fibres through accelerated ageing

Fancey, Kevin; Pang, Jody W. C.; Fancey, Kevin S.

Authors

Jody W. C. Pang



Abstract

As part of investigations into the development of viscoelastically prestressed polymeric matrix composites, time-temperature superposition principles have been adopted to evaluate the long-term viscoelastic strain recovery characteristics of nylon 6,6 fibres. Annealed samples of yam were subjected to a 24 h creep loading, followed by recovery, initially under normal ambient temperature (similar to 20 degrees C). The samples were then subjected to several increasingly long periods of exposure to 60 degrees C, which enabled recovery strain to be evaluated over the equivalent of 9 x 10(5) h (100 years). Results provide good agreement with (i) previously obtained recovery data measured in real time for up to 3.5 x 10(4) h (4 years) and (ii) a predictive model, based on data from (i). Moreover, the contribution to strain from viscous flow effects is indicated to be less than 10(-4) %. The findings are supported by tests on composite samples, in that no significant deterioration in impact performance was observed, after being subjected to similar conditions of accelerated ageing. (c) 2006 Elsevier B.V. All rights reserved.

Journal Article Type Article
Publication Date Sep 15, 2006
Journal MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROST
Print ISSN 0921-5093
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 431
Issue 1-2
Pages 100-105
APA6 Citation Pang, J. W. C., & Fancey, K. S. (2006). An investigation into the long-term viscoelastic recovery of Nylon 6,6 fibres through accelerated ageing. Materials Science and Engineering: A, 431(1-2), (100-105). doi:10.1016/j.msea.2006.05.052. ISSN 0921-5093
DOI https://doi.org/10.1016/j.msea.2006.05.052
Keywords Viscoelasticity; Fibres; Polymeric composites; Prestress
Publisher URL https://www.sciencedirect.com/science/article/pii/S0921509306008495?via%3Dihub
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