Abstract

The use of natural or naturally derived reinforcing materials in polymer composites is increasing, thanks to the growing importance of sustainable economy and environmental consciousness. The most promising natural reinforcing material is basalt fibre, which has a very similar chemical structure to glass fibre, which is widely used. However, due to the difference in chemical structure, basalt fibre may be more resistant to more aggressive environments, such as seawater. In this research, the effect of salt water on basalt fibre and its composites was analysed. Unimpregnated basalt, glass and carbon fibre as well as impregnated composites with different concentrations of saltwater solutions were treated for different durations. The effect of salt water was studied by mechanical and morphological tests.

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