Long-Term Mechanical Behavior of Aramid Fibers in Seawater

Type Publication
Date 2011-07
Language English
Copyright 2011 Society of Plastics Engineers. Wiley-blackwell
Author(s) Derombise Guillaume2, Chailleux Emmanuel1, Forest Bertrand3, Riou Luc3, Lacotte Nicolas3, Van Schoors L. Vouyovitch2, Davies PeterORCID3
Affiliation(s) 1 : Lab Cent Ponts & Chaussees, Div Struct & Mat Infrastruct Transport, Bouguenais, France.
2 : Lab Cent Ponts & Chaussees, Div Mat Physicochem, Paris, France.
3 : IFREMER French Ocean Res Inst, Mat & Struct Grp, Brest, France.
Source Polymer Engineering And Science (0032-3888) (Wiley-blackwell), 2011-07 , Vol. 51 , N. 7 , P. 1366-1375
DOI 10.1002/pen.21922
WOS© Times Cited 8
Abstract Aramid fibers are today proposed in ropes and cables for marine applications. As these highly crystalline materials are loaded in tension for a longer period in seawater, their long-term mechanical behavior has to be understood. However, the response is time-dependent and exhibits a nonlinear effect with stress. In this study, two types of aramid fibers are studied: Twaron and Technora. Mechanical properties are measured using static tensile tests and creep-recovery tests. A nonlinear viscoelastic-viscoplastic model, based on the Schapery formulation, allows discriminating between the instantaneous and the time-dependent response as well as the reversible and nonreversible phenomena (plasticity). First, this procedure allows the overall mechanical behavior of the fibers to be compared, considering creep rate, plasticity, and instantaneous moduli. Then, using these parameters, the effect of the testing condition, air or seawater is studied. Finally, the effect of aging in seawater is quantified for both fibers. POLYM. ENG. SCI., 51:1366-1375, 2011. (C) 2011 Society of Plastics Engineers
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Derombise Guillaume, Chailleux Emmanuel, Forest Bertrand, Riou Luc, Lacotte Nicolas, Van Schoors L. Vouyovitch, Davies Peter (2011). Long-Term Mechanical Behavior of Aramid Fibers in Seawater. Polymer Engineering And Science, 51(7), 1366-1375. Publisher's official version : https://doi.org/10.1002/pen.21922 , Open Access version : https://archimer.ifremer.fr/doc/00039/15049/