Effect of Artificial Aging on Strength and Wear Behaviour of Solutionized Aluminium 6061 Alloy

Gowri Shankar , M C and Shravan, * and Rakesh, * and Rahul, * and Kini, Achutha U and Sharma , S S (2014) Effect of Artificial Aging on Strength and Wear Behaviour of Solutionized Aluminium 6061 Alloy. In: 3rd World Conference on Applied Sciences, Engineering and Technology, 27-29 September 2014, Kathmandu, Nepal.

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Abstract

The strength of Al6061 alloy can be improved by precipitation hardening, during the precipitation of metastable phases formed by supersaturated solid solution. The experimental study is focused on artificial ageing of solutionized Al6061 alloy at 100o, 150o and 200o C. The peak hardness is obtained at different aging temperature by plotting hardness v/s time. The peak aging duration is observed to vary between 3 to 10 hours depending on aging temperature. As the aging temperature decreases the precipitation of secondary solute rich phases takes place in the more number of intermediate stages. The intermediate phases strain the lattice during their precipitation to enhance the mechanical properties, so better mechanical property is observed at lower aging temperature. In this paper, mechanical properties such as microhardness, tensile strength, and wear resistance have been studied to determine the effect of artificial ageing on Al6061 alloy. However, under identical heat treatment conditions, the precipitation hardened alloy exhibited better mechanical properties in comparison with as-cast alloy

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Al6061 alloy; Artificial aging; Micro hardness; Tensile strength; Wear strength
Subjects: Engineering > MIT Manipal > Mechanical and Manufacturing
Depositing User: MIT Library
Date Deposited: 08 Oct 2014 06:27
Last Modified: 08 Oct 2014 06:27
URI: http://eprints.manipal.edu/id/eprint/140791

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