Experimental Investigation of Effect of Recycled Epoxy Micro Powder Reinforcement on Flexural, Hardness and Impact Behavior of Acrylonitrile Butadiene Styrene

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Abstract:

Epoxy is the most commonly used thermosetting polymer in various parts of aircraft, spacecraft, sports cars and construction owing to their long life, light weight and high strength. As epoxy is a thermosetting polymer, its recycling is a big challenge. After its usage, most of it goes to landfilling, which has a greater impact on soil pollution and degradation of soil fertility. In order to overcome this drawback, recycling of thermoset epoxy is necessary to save the environment as well as to reduce the supply of new material. This article describes the effect of recycled epoxy microparticle reinforcement on the flexural, hardness and impact behaviour of acrylonitrile butadiene styrene. In the process, specimens of composite with virgin ABS as a matrix material and recycled epoxy microparticles as a reinforcement are fabricated using a micro compounder with an injection moulding machine. The specimens are tested to assess mechanical properties such as flexural strength, impact strength and Shore D hardness. The ABS Epoxy (ABSE) composite mechanical properties have been slightly influenced by the cross-linked epoxy microfillers. The flexural strength increases with an increase in the proportion of cross-linked epoxy microparticles of up to 10%, then later reduces slightly compared to neat ABS. Izod Impact resistance of the composite decreases with an increase in cross-linked epoxy microparticle percentage. Shore D hardness of the composite increases with increases in epoxy proportion, and the maximum value of Shore D hardness is obtained for 20% cross-linked epoxy proportion. SEM images confirm uniform dispersal of filler material and shows fracture behaviour of the composite in correlation with test results obtained. ABSE composite with enhanced flexural property and hardness can be successfully used in structural and other engineering applications with more durability and sustainability as well.

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Materials Science Forum (Volume 1196)

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149-157

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June 2026

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© 2026 Trans Tech Publications Ltd. All Rights Reserved

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