Mechanical and slurry abrasion behaviour of needle-punched nonwoven fabric reinforced epoxy composites Online publication date: Mon, 19-Jun-2017
by Prabina Kumar Patnaik; Sandhyarani Biswas
International Journal of Materials Engineering Innovation (IJMATEI), Vol. 7, No. 3/4, 2016
Abstract: In this study, composites are fabricated using polyester fibre-based needle-punched nonwoven fabric mat as a reinforcement material, with different area density and at constant fabric loading. Experiments are conducted to study the effect of area density of fabric mat on mechanical and physical behaviour such as tensile strength, flexural strength, inter-laminar shear strength and density. Similarly, wear behaviour is also studied using slurry abrasion test rig by considering different parameters like sliding speed, normal load, sliding distance, silica sand size and area density. Taguchi orthogonal array is adopted to analyse the wear characteristics. Further, steady state results indicated that the wear rate of the composites decreased with the increase in normal load whereas increased with the increase in sliding velocity. The comparative analysis showed that the mechanical and physical properties of composites improved significantly with the increase in area density of the fabric.
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