Tribological studies of Al-based metal matrix composite reinforced with Al-20Cu-10Mg ternary alloy using Taguchi technique
by K. Krishna Kishore; B. Venkata Siva; Jinugu Babu Rao; N.R.M.R. Bhargava
International Journal of Materials Engineering Innovation (IJMATEI), Vol. 9, No. 2, 2018

Abstract: This study has been made to explore the correlation between sliding speed, sliding distance, load and their joint effect on dry sliding wear of aluminium and Al- (Al-20Cu-10Mg) composites with weight fraction of 5% and 10% using Taguchi technique. S/N ratio analysis revealed that the composite with 10% reinforcement has shown better wear resistance i.e., mean wear of 0.697 grams compared to Al and composite with 5% reinforcement. From the ANOVA analysis it is observed that load has major effect on coefficient of friction i.e., 82.3%, 66.7% and 51.93% for aluminium, Al-5% ternary alloy, and Al-10% ternary alloy composite respectively. Sliding speed has major effect on weight loss i.e., 61.02%, 58.12%% and 56.17% for aluminium, Al-5% ternary alloy and Al-10% ternary alloy. From the regression equations it is found that effect of speed on coefficient of friction is seven times for aluminium, 13 times for Al-5% ternary alloy and 17 times for Al-10% ternary alloy composites if compared with the other two variables. Similarly effect of speed on weight loss is around 27 times for aluminium, Al-5% ternary alloy, and Al-10% ternary alloy composites if compared with the other two variables. The incorporation of Al-20Cu-10Mg as reinforcement material in aluminium matrix material has improved the wear resistance.

Online publication date: Mon, 06-Aug-2018

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