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This paper aims to discuss the influence of graphite with varying purity on the tribological performance of brake pads.Design/methodology/approachThree distinct brake pads were created within the scope of this experiment by varying the graphite purity without affecting the other components. The brake pads were made using a traditional manufacturing procedure, and industry standards were used to test the chemical, physical and mechanical properties of the newly produced brake pad. A full-scale inertia brake dynamometer was used to determine the material’s tribological characteristics. The worn surfaces of the brake pads were examined using a scanning electron microscope.FindingsThe test results indicate that brake pads containing 99% pure graphite (artificial grade) displayed good physical, chemical and mechanical features, such as consistent friction and a reduced rate of wear because of the lower impurity level, which eliminates frictional undulations.Originality/valueThis paper discusses the influence of graphite purity on the tribological performance of brake pads by modifying tribofilms and reducing friction undulations.
Industrial Lubrication and Tribology – Emerald Publishing
Published: Jan 2, 2023
Keywords: Graphite; Brake pad; Brake dynamometer; Purity level; Friction; Wear
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