The Effect of Rib Fabric Pattern and Yarn Composition on the Mechanical Properties of Polyester Matrix Composites Reinforced by Weft-Knitted Fabric

Year 2022, Volume: 32 Issue: 4, 334 - 343, 31.12.2022

Mehmet Erdem İnce Halil İbrahim İçoğlu

https://doi.org/10.32710/tekstilvekonfeksiyon.1015649

Cited By: 1

Abstract

In this study, polyester matrix composites reinforced by 1x1, 2x2, half- and full-cardigan rib pattern weft-knitted fabrics from glass and glass/aramid hybrid yarns were produced. Tensile, flexural and impact tests were applied to the composites. The 2x2 rib pattern composite showed the highest thickness and density. The hybridization of glass yarn with aramid yarn increased the thickness, while it decreased the density of composites. The 2x2 rib pattern composite showed the highest tensile modulus and tensile strength. Yarn hybridization increased tensile strength at statistically significant level. The composite with full-cardigan rib pattern displayed considerably higher flexural modulus and flexural strength than the composites with the other patterns. When glass and hybrid composites were considered separately, the rib fabric pattern exhibited significant effect on maximum load. The rib fabric pattern displayed also significant effect on absorbed energy for glass composites. The yarn hybridization dramatically increased maximum load and absorbed impact energy.

Keywords

glass yarn, aramid yarn, weft knitted fabric, composite materials, mechanical properties

Supporting Institution

Gaziantep Üniversitesi Bilimsel Araştırma Projeleri (BAP) Birimi

Project Number

MF. YLT. 18.02

Thanks

We would like to thank BAP Unit of Gaziantep University for their financial support.

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