Investigation on the tribological and hardness properties of nickel-quarry dust composite coating prepared by various surfactant contents

Badrulzaman Khan, Elyssa Elnna (2018) Investigation on the tribological and hardness properties of nickel-quarry dust composite coating prepared by various surfactant contents. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

The study is about to investigate the effect of various surfactant contents on the on the surface morphology, hardness and wear properties of Ni-QD composite coating on aluminium alloy 7075. Five different surfactant contents were prepared at 0.3g/L, 0.6g/L, 0.9g/L and 1.2g/L. Electrodeposition process was carried out at 1 hour and heat treated at 200˚C and 400˚C. In the study, nickel use as a matrix while quarry dust as the reinforcement particles. The quarry dust is crushed into more finer particles by using ball milling machine and the size of the particles are determined by using Particle Size Analyzer (PSA). The composite coating will be determined and tested by using X-Ray Diffraction (XRD), X-Ray Fluorescence (XRF), Scanning Electron Microscopy (SEM, wear and hardness test. The hardness of Ni-QD composite coating increased by heat treatment. There are some advantages that can be obtained from this study especially in aerospace and automotive industry.

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