ANALYSIS OF WEAR BEHAVIOR OF GRAPHENE OXIDE — POLYAMIDE GEARS FOR ENGINEERING APPLICATIONS

Geetha Rajamani, Jawahar Paulraj () and Kanny Krishnan ()
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Geetha Rajamani: Mechanical Engineering Department, Velammal Engineering College, Chennai–600066, India
Jawahar Paulraj: #x2020;Faculty of Mechanical Engineering, Velammal Engineering College, Chennai–600066, India
Kanny Krishnan: #x2021;Department of Mechanical Engineering, Durban University of Technology, Durban, South Africa

Surface Review and Letters (SRL), 2017, vol. 24, issue Supp02, 1-11

Abstract: Recent advances in polymer nanocomposites open a wide range of applications in various industrial sectors. Due to their high potential properties, these materials are replacing the usage of metals for many heavier components in automobile industries. In this experimental work, the tribological performance of Graphene oxide (GO) — Polyamide is investigated against pristine polyamide by fabricating gears for the usage in engineering applications. A gear test rig was developed in-house for analysis to study the specific wear rate and temperature gradient at different conditions of load and speeds. The wear resistance of the polyamide gears with the addition of 0.03wt.% of graphene oxide is better than the pristine polyamide gears and the specific wear rate is reduced significantly. The reduced specific wear rate of these polymer nanocomposite gears is attributed to the superior properties of graphene oxide such as High specific surface area, good adhesion properties and enhanced glass transition temperatures. The GO nanocomposite gear seems to be a potential alternative against conventional gears for engineering applications. Finally, the wear mechanisms and the potential of GO-based polyamide nanocomposite gears were proposed tentatively in the development of transmission gears for engineering applications.

Keywords: Specific wear rate; polyamide; gears; graphene oxide; nanocomposites (search for similar items in EconPapers)
Date: 2017
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DOI: 10.1142/S0218625X1850018X

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