Abstract
Waste glass dust, an industrial waste, generated in the glass cutting industries, is carcinogenic and possesses health risk due to high silica content. As an attempt to gainfully utilize this, the possibility of using this waste glass dust as a functional filler in wear-resistant polymer composites is explored. It includes fabrication of epoxy composites in hand lay-up route with varying weight fractions (0–0.2) of the waste glass dust along with multiple layers of hemp fiber. The dry sliding wear behavior of these composites under different test conditions are studied. ASTM G99-05 standard is followed for preparing the test samples and experiments are conducted as per Taguchi’s L25 design. Wear resistance is significantly improved with addition of the filler. Among the control parameters, the filler content is the most effective factor influencing the wear rate and next comes the sliding velocity as obtained from the ANOVA and Taguchi analysis. A predictive model is proposed to find the specific wear rate (SWR). The minimum wear rate is obtained for 20 wt. % of filler, 250 m sliding distance, 50 cm/sec sliding velocity and 10 N load. The mechanisms predominantly responsible for the wear loss have also been studied using a scanning electron microscope.
Published Version
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