Leverage of environmental pollutant crump rubber on the dry sliding wear response of epoxy composites

Shahapurkar, Kiran and Chenrayan, Venkatesh and Soudagar, Manzoore Elahi M. and Badruddin, Irfan Anjum and Shahapurkar, Pavan and Elfasakhany, Ashraf and Mujtaba, Muhammad Abbas and Siddiqui, Md Irfanul Haque and Ali, Masood Ashraf and Mahlia, Teuku Meurah Indra (2021) Leverage of environmental pollutant crump rubber on the dry sliding wear response of epoxy composites. Polymers, 13 (17). ISSN 2073-4360, DOI https://doi.org/10.3390/polym13172894.

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The effect of crump rubber on the dry sliding wear behavior of epoxy composites is investigated in the present study. Wear tests are carried out for three levels of crump rubber (10, 20, and 30 vol.%), normal applied load (30, 40, and 50 N), and sliding distance (1, 3, and 5 km). The wear behavior of crump rubber-epoxy composites is investigated against EN31 steel discs. The hybrid mathematical approach of Taguchi-coupled Grey Relational Analysis (GRA)-Principal Component Analysis (PCA) is used to examine the influence of crump rubber on the tribological response of composites. Mathematical and experimental results reveal that increasing crump rubber content reduces the wear rate of composites. Composites also show a significant decrease in specific wear values at higher applied loads. Furthermore, the coefficient of friction also shows a decreasing trend with an increase in crump rubber content, indicating the effectiveness of reinforcing crump rubber in a widely used epoxy matrix. Analysis of Variance (ANOVA) results also reveal that the crump rubber content in the composite is a significant parameter to influence the wear characteristic. The post-test temperature of discs increases with an increase in the applied load, while decreasing with an increase in filler loading. Worn surfaces are analyzed using scanning electron microscopy to understand structure-property correlations. Finally, existing studies available in the literature are compared with the wear data of the present study in the form of a property map.

Item Type: Article
Funders: Deanship of Scientific Research at King Khalid University Research Groups Program[R.G.P. 2/166/42], Taif University, Taif, Saudi Arabia[TURSP-2020/40]
Uncontrolled Keywords: Environmental pollutant;Polymer matrix composites;Crump rubber;Wear
Subjects: G Geography. Anthropology. Recreation > GE Environmental Sciences
Q Science > QC Physics
Q Science > QD Chemistry
Depositing User: Ms Zaharah Ramly
Date Deposited: 13 Sep 2022 06:32
Last Modified: 13 Sep 2022 06:32
URI: http://eprints.um.edu.my/id/eprint/34387

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