Journal
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
Volume 18, Issue -, Pages 3291-3301Publisher
ELSEVIER
DOI: 10.1016/j.jmrt.2022.04.018
Keywords
Polymer composite; Dolomite dust; Carbon fiber; Physicomechanical; Sliding wear
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This study investigates the use of dolomite dust as filler in polymer composites. The results show that increasing dolomite content improves the physicomechanical properties and sliding wear properties of the composites, but decreases the tensile and flexural strength.
The present study was designed to explore the applicability of dolomite dust (a waste from a dolomite quarry) as filler in polymer composites. Therefore, fixed carbon fiber reinforced vinyl ester composites with varying dolomite dust proportions (0, 5, 10 and 15 wt.%) are manufactured and subsequently evaluated for physicomechanical and sliding wear prop-erties. Experimental results indicate that density, void content, impact energy, hardness, tensile modulus, and flexural modulus increase with dolomite content increase. On the other hand, a continuous decrease in tensile and flexural strength was observed with increased dolomite dust content. The sliding wear tests were performed using L16 orthogonal design, considering four parameters: dolomite dust, sliding distance, applied load, and sliding velocity according to the Taguchi method. It was found that dolomite dust was the most noteworthy parameter of wear rate, followed by applied load and sliding distance. (C)& nbsp;2022 The Author(s). Published by Elsevier B.V.
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