Effect of low temperature thermo mechanical treatment on the wear characteristics of aa6061

Vikas, Ramakrishna S and Nayak, Suhas Y and Shenoy, Srinivas H and Goyal, Sahil (2017) Effect of low temperature thermo mechanical treatment on the wear characteristics of aa6061. In: International Conference on Mechanical and Aeronautical Engineering, 18/01/2017, Bangkok, Thailand.

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Abstract

This study investigates the wear resistance of four thermomechanical treated monolithic AA6061 alloy, using a pin-on-disc test. In addition to the widely studied AA6061 alloy in T6 condition, the present investigation considered a low temperature thermomechanical treatment which included solution treatment, cold rolling of specimens at various deformation percentages (percentage reduction) and artificial ageing. Experiments were designed using Taguchi’s method and were conducted on a pin-on-disc test setup. Four factors and four level combination using L16 orthogonal arrays was applied. Signal-to-noise (S/N) ratio with smaller the better quality characteristics was considered for the obtained results by carrying out Analysis of Variance (ANOVA) to study the tribological behaviour of thermo mechanical treated AA6061. Results indicate that the factor percentage reduction had the highest significance while the factor sliding distance had the least significance on the wear rate. Optimum combination for reduced wear rate was found to be with level 4 of percentage reduction, level 4 of load, level 3 of sliding speed and level 2 of sliding distance.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: AA6061 alloy, Low temperature thermomechanical treatment (LTMT), Cold Rolling, Wear, Pin-on-disc test.
Subjects: Engineering > MIT Manipal > Mechanical and Manufacturing
Depositing User: MIT Library
Date Deposited: 08 Feb 2017 10:03
Last Modified: 21 Apr 2017 04:41
URI: http://eprints.manipal.edu/id/eprint/148292

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