Improvement in the fracture toughness (Mode I) of laminated glass fabric composites through air-jet texturing |
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| Authors: | Ali Hasan Mahmood R H Gong I Porat |
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| Institution: | 2591. Department of Textile Engineering, NED University of Engineering & Technology, Karachi, 75270, Pakistan
1591. School of Materials, The University of Manchester, Manchester, UK
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| Abstract: | Delamination is the most common failure mode in laminated composites due to the reduced strength in the through-the-thickness direction. Air-jet texturing was used to provide more surface contact between the fibres and the resin by producing bulk and loops in the yarn. The development and characterization of core-and-effect textured glass yarns and the effect of texturing on the mechanical properties of laminated composites were presented in the previous papers. This paper describes the effect of texturing on the inter-laminar fracture toughness (Mode I) of glass laminated composites. The composites of twill weave fabrics were developed from both the textured and non-textured yarn and fracture toughness is tested in warp and weft directions. Significant improvement was observed in the Mode I fracture toughness of the composites after texturing. The bulkier, loopy structure of the textured yarn provided more surface contact between the fibre and the resin and significantly improved the bonding strength. |
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