Water ageing effects on the elastic and viscoelastic behaviour of epoxy-based materials used in marine environment

Type Article
Date 2022-08
Language English
Author(s) Dezulier Q.1, Clement A1, Davies PeterORCID2, Arhant MaelORCID2, Flageul Benjamin2, Jacquemin A1
Affiliation(s) 1 : Research Institute of Mechanical & Civil Engineering, UMR CNRS 6183, University of Nantes, Centrale Nantes, 44600, Saint-Nazaire, France
2 : IFREMER Centre Bretagne, Marine Structures Laboratory, 29280, Plouzané, France
Source Composites Part B-engineering (1359-8368) (Elsevier BV), 2022-08 , Vol. 242 , P. 110090 (9p.)
DOI 10.1016/j.compositesb.2022.110090
WOS© Times Cited 9
Keyword(s) Thermosetting resin, Creep, Ageing, Analytical modelling, Finite element analysis

Both experimental tests and numerical simulations have been performed in this study to analyze the influence of long-term immersion (over 500 days) on the hygro-elastic and hygro-viscoelastic behaviour of epoxy resin samples. First, a diffusive and swelling campaign was carried out with water immersion at 25 °C and 60 °C. Various experimental tests have also been undertaken at different stages of ageing to highlight and quantify the influence of water diffusion on elastic and viscoelastic properties. A model is then proposed to simulate the hygro-viscoelastic behaviour of the studied material through finite element simulations. A good agreement between the experimental and numerical results is observed.

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