Abstract
The effect of incorporation of tungsten carbide (WC) powders on erosive wear behaviour in glass fabric-epoxy (G-E) composites was investigated and findings were analyzed. The vacuum-assisted resin infusion (VARI) technique was employed to fabricate the composite specimens. The effect of different impact velocities (40 and 80 m/s) and impact angles (300 to 900) on the performance of the wear resistance of the composites were measured. The results of erosive wear losses, impact angle, and impact velocity and erosion rate of filled and unfilled glass-epoxy composites were analyzed and discussed. The influence of impact angle on erosive wear of all composites shows brittle behaviour with a maximum erosion rate at 900 impact angle. The WC filled G-E composite exhibited a lower erosion rate as compared to that of unfilled G-E composites. The worn surface features of unfilled and filled G-E composites were examined using scanning electron microscopy (SEM) and results indicates more severe damage to matrix and glass fiber in unfilled composite system as compared to WC filled composites.
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