Metall. Res. Technol.
Volume 118, Number 6, 2021
|Number of page(s)||11|
|Published online||06 December 2021|
Process optimization using grey relational analysis in dry sliding wear behavior on SiC/B4C/Talc reinforced Al 6061 hybrid metal matrix composite
Department of Mechanical Engineering, Sriram Engineering College, Chennai, India
2 Department of Mechanical Engineering, S.A Engineering College, Chennai, India
3 Department of Mechanical Engineering, MEA Engineering College, Malappuram, Kerala, India
4 Department of Mechanical Engineering, Chennai Institute of Technology, Chennai, India
5 Department of Mechanical Engineering, Saveetha School of Engineering, SIMATS, Chennai, India
* e-mail: firstname.lastname@example.org
Accepted: 3 November 2021
In this research, investigations were carried out on Al6061 base alloy with the changing weight percentage of silicon carbide (SiC) and boron carbide (B4C) with keeping the amount of talc constant. The main objective of this present study was to improve the wear resistance of aluminum alloy using SiC/B4C/talc ceramic particles using stir-casting technique and how the eco-friendly talc content influencing the solid lubricity during the abrasion process. The experiments were conducted via orthogonal array of L27 using Taguchi’s method. The optimum value along with the coefficient of friction was obtained on the basis of grey relational equations and ANOVA, which helped in analysis of most influential input parameters such as applied load, sliding speed, sliding distance and percentage of reinforcement. Conformation tests were performed for the purpose of validation of the experimental results. The specimens were analyzed using scanning electron microscope (SEM) with EDX for micro structural studies. The SiC, B4C and talc presence in the composite helped to improve the mechanical properties, according to the results. The presence of solid lubricant talc as reinforcement to the aluminum hybrid composite reduced the wear properties and decreased the co-efficient friction. These wear resistance improved aluminum metal matrix composites could be used in automobile, defense and domestic applications where high strength and wear resistance required with lesser specific weight.
Key words: composite / dry sliding wear / SiC / B4C / ANOVA
© EDP Sciences, 2021
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