Degradation of basalt fibre and glass fibre/epoxy resin composites in seawater |
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| Authors: | Bin Wei Hailin Cao Shenhua Song |
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| Affiliation: | aHarbin Institute of Technology, Harbin 150001, China;bDepartment of Materials Science and Engineering, Shenzhen Graduate School, Harbin Institute of Technology, Xili, Shenzhen 518055, China;cShenzhen Aerospace Tech-Innovation Institute, Shenzhen Key Laboratory of Composite Materials, Shenzhen 518057, China |
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| Abstract: | Epoxy resins reinforced, respectively, by basalt fibres and glass fibres were treated with a seawater solution for different periods of time. Both the mass gain ratio and the strength maintenance ratio of the composites were examined after the treatment. The fracture surfaces were characterized using scanning electron microscopy. The tensile and bending strengths of the seawater treated samples showed a decreasing trend with treating time. In general, the anti-seawater corrosion property of the basalt fibre reinforced composites was almost the same as that of the glass fibre reinforced ones. Based on the experimental results, possible corrosion mechanisms were explored, indicating that an effective lowering of the Fe2+ content in the basalt fibre could lead to a higher stability for the basalt fibre reinforced composites in a seawater environment. |
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| Keywords: | A Glass B Erosion B SEM C Interfaces C Rust |
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