Mechanical and Thermal Properties of Carbon/Basalt Intra-ply Hybrid Composites. I. Effect of Intra-ply Hybridization
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ISSN 1229-9197 (print version) ISSN 1875-0052 (electronic version)
Mechanical and Thermal Properties of Carbon/Basalt Intra-ply Hybrid Composites. I. Effect of Intra-ply Hybridization Farzin Azimpour-Shishevan1, Hamit Akbulut2, and M.A. Mohtadi-Bonab3* 1
Department of Mechanical Engineering, Faculty of Maragheh, Maragheh Branch, Technical and Vocational University (TUV), Tehran 1435661137, Iran 2 Department of Mechanical Engineering, Ataturk University, Erzurum 25240, Turkey 3 Department of Mechanical Engineering, University of Bonab, Bonab 5551761167, Iran (Received August 5, 2019; Revised January 3, 2020; Accepted February 25, 2020) Abstract: The effects of intra-ply hybridization on mechanical and thermal properties of carbon/basalt fibers reinforced epoxy composites were experimentally investigated. Combination of superior mechanical properties of carbon fiber, good thermal stability and basalt fiber toughness is the main purpose of designing of these composites. Three types of homogeneous carbon fiber reinforced polymer (CFRP), basalt fiber reinforced polymer (BFRP) and intra-ply hybrid of carbon/basalt reinforced polymer (CBFRP) composites were fabricated by using vacuum assisted resin infusion molding (VARIM) method. All fabricated composite plates were cut according to ASTM standard. The effect of incorporation of basalt fiber with carbon fiber on mechanical properties, such as modulus of elasticity, tensile strength, flexural modulus, flexural strength and inter laminar shear strength (ILSS) were studied by bending, tensile and short beam shear (SBS) experiments. Measurement of thermal conductivity, dynamic mechanic analyze (DMA), thermogravimetric analyze (TGA) tests were also carried out for thermal characterization of fabricated homogeneous and hybrid composites. Furthermore, dynamic drop test (DDT) was used to evaluate hybridization effect on hydrophobicity of composites. The results indicated that the CBFP hybrid composites perform a moderate mechanical performance between homogeneous CFRP and BFRP composites. On the other hand, incorporation of basalt fiber in the structure of carbon fiber composite not only enhances the thermal stability of composites but also moderates the fabrication price by alternating cheaper basalt fiber with expensive carbon fiber. Keywords: Intra-ply hybrid composite, Carbon fiber, Basalt fiber, Mechanical properties, Thermal properties
impact behavior of CFRP and moderate the manufacturing prices. According to results of this research, hybrid laminates had better impact energy absorption capability and enhanced damage tolerance compared with the conventional carbon laminates. Sarasini et al. [9] have hybridized aramid fibers with basalt in inter-ply tip for convenient balance in mechanical and impact properties of fabricated composites. The results showed that hybridization of basalt fiber with aramid one decreased the composite price since aramid fibers are more expensive than basalt fibers. Eslami et al. [10] hybridized carbon fibers with basalt fibers to improve hardn
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