Abstract
The present work involves the solid particle erosion behaviour and the dry sliding wear characteristics of glass fiber reinforced polymer (GFRP) matrix composite using fly ash as filler material is investigated. Five different composite samples (with 0, 5, 10, 15 and 20 wt.% of filler) are fabricated using the traditional hand lay-up method and characterized for their density and hardness properties. Subsequently, the erosion and wear behaviour of the presently prepared composite samples are investigated on air erosion tester and pin-on-disc tribometer, respectively. For the erosion test experiments are performed according to a full-factorial design of experiment (DOE) by considering the hardness of the composite and the impingement angle as the controllable parameters. For conducting the dry sliding wear test, the type of composite, load and speed are taken as input parameters and the experiment is carried out as per Box-Behnken DOE of Response Surface Methodology (RSM). The composite with 15 wt.% of filler depicted the highest hardness value. The wt.% of filler is found to have a significant effect on the erosion and wear behaviour with moderate filler (10 wt.%) providing the optimum result in both cases.
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