期刊
COMPOSITES COMMUNICATIONS
卷 19, 期 -, 页码 11-15出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.coco.2020.02.002
关键词
Durability; Water; Fibre size; Mechanical properties
资金
- United States Office of Naval Research (ONR)
- Office of Naval Research Global (ONRG) [N62909-15-1-2000]
The strong influence of the fibre sizing agent on the water absorption properties of carbon fibre laminates is demonstrated. A comparative experimental study is performed into the water absorption kinetics and maximum amount of absorbed water for laminates with sizing agent on the carbon fibres which are chemically compatible or incompatible with the polymer matrix. The water absorption rate is higher (by similar to 3 times), the time to saturation is much shorter (by similar to 6 times), and the water content at saturation is greater (by similar to 1.5 times) for the laminate with the incompatible fibre sizing agent. This laminate has relatively weaker fibre-matrix interfacial strength and contains a fine fibre-matrix interfacial cracks which aid the absorption and diffusion of water. The effect of the fibre sizing on the reduction to the strength properties of the laminates caused by the absorption of water is also investigated.
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