Effect of Silicon oxide (SIO2) Reinforced particles on ageing behavior of AI-2024 Alloy

Gowri Shankar , M C and Jayashree, P K and Kini, Achutha U and Sharma , S S (2014) Effect of Silicon oxide (SIO2) Reinforced particles on ageing behavior of AI-2024 Alloy. International Journal Of Mechanical Engineering And Technology , 5 (9). pp. 15-21. ISSN 0976 – 6359

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Abstract

Al-2024 alloy can be reinforced with different percentages of Silicon oxide particles using a stir casting method. The solution treatment of the composite sample and the unreinforced alloy was carried out at 550 �C for 2h followed by aging at 150 �C for various aging times between 1h and 5 hrs. The existence of SiO2 particles led to increasing the peak hardness of the alloy. The results revealed that peak hardness of the composite sample took place at shorter times than that of the unreinforced alloy for the samples solution treated for 2 h for both the composite and the unreinforced alloy that led to the fastest aging kinetics and the maximum hardness. Matrix microhardness, tensile strength and wear test measurements were carried out after each step of heat treatment.

Item Type: Article
Uncontrolled Keywords: Age-hardening, Al2024, Silicon Oxide (SiO2), Stir casting,
Subjects: Engineering > MIT Manipal > Mechanical and Manufacturing
Depositing User: MIT Library
Date Deposited: 08 Oct 2014 05:59
Last Modified: 08 Oct 2014 05:59
URI: http://eprints.manipal.edu/id/eprint/140788

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