Abstract
The application of basalt fibers are possible in many areas thanks to its multiple and good properties. It exhibits excellent resistance to alkalis, similar to glass fiber, at a much lower cost than carbon and aramid fibers. In the present paper, a comparative study on mechanical properties of basalt and E-glass fiber composites was performed. Results of apparent hoop tensile strength test of ring specimens cut from tubes and the interlaminar shear stress (ILSS) test are presented. Tensile tests using split disk method provide reasonably accurate properties with regard to the apparent hoop tensile strength of polymer reinforced composites. Comparison between the two tubes showed higher basalt fiber composite performance on apparent hoop tensile strength (45% higher) and on the interfacial property interlaminar shear stress (ILSS) (11% higher). New data obtained in this work on basalt fiber composite tubes confirm the literature for basalt fiber composite with other geometries, where it overcomes mechanical properties of the widely used glass fiber composites.
Highlights
Basalt is volcanic mineral, dark or black
Current technology for producing basalt fibers (BF) is very similar to that used in E-glass fiber (GF) production[2]
Study regarding mechanical properties of tubular geometry basalt composite was made[13], where tensile properties of glass, carbon and basalt fiber reinforced/epoxy composite cylinders made by filament winding were reported, using a proprietary test method; BF composite presented higher tensile strength and modulus than GF composite
Summary
Dark or black. Its rocks are heavy, tenacious and resilient. Current technology for producing basalt fibers (BF) is very similar to that used in E-glass fiber (GF) production[2] This fact, coupled with the high availability of raw material around the world, justifies the low price of BF compared to GF. Study regarding mechanical properties of tubular geometry basalt composite was made[13], where tensile properties of glass, carbon and basalt fiber reinforced/epoxy composite cylinders made by filament winding were reported, using a proprietary test method; BF composite presented higher tensile strength and modulus than GF composite. Processing parameters were investigated[16] of filament wound composite tubes with glass and carbon fiber using different winding angles. The matrix was resin epoxy-bisphenol A diglycidyl ether, with initiator methyl tetrahydrophthalic hardener and curing promoter benzyl-dimethylamylamine
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