Abstract
This work focused on erosion behaviour of pure polyester, aroma skin (5wt%) and biochar (7.5wt%) reinforced polyester composites. The hand-layup method is used to develop the composite plate. To investigate the erosion wear rate of the developed composite plates, the sized specimen is subjected to erosion studies. As per ASTM G76 the erosion test was done with the help of air jet erosion tester. To study the parameters of different reinforcement, impingement angle and impact velocity of the fabricated specimen. The erosion behaviour of particulate reinforced polyester composites is evaluated at two different reinforcement (aroma skin and biochar) and three different wt% (0wt%, 5wt% and 7.5wt%) at varying impingement angles (30o , 45o , 60o and 75o ) for regular time intervals. The standoff distance, impact velocity and erodent discharge rate were kept constant. Alumina oxide is used as erodent material with the size of 50µm. From the result, it is observed that increase in impingement angle increase the erosion rates. Another observation is made that addition of reinforcement in matrix material also shows increase in wear rate of composite. In comparison of both aroma skin and biochar reinforced polymer composites, biochar enhances the erosion resistance of composite in all impingement angles.
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