Influence of heat treatment on impact, hardness and fatigue strength of 6061 aluminium alloy

Nasir, Nurulhilmi Zaiedah and Mohd Daud, Mohd Ahadlin and Bapokutty, Omar and Din, Abdul Talib and Selamat, Mohd Zulkefli (2015) Influence of heat treatment on impact, hardness and fatigue strength of 6061 aluminium alloy. Applied Mechanics and Materials , 761 (-). pp. 484-488. ISSN 1662-7482

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Abstract

This paper studies the effects of various heat treatments on toughness, hardness and fatigue strength of aluminum alloy 6061. The alloy specimens were heat treated in the furnace at different high temperatures and holding times; and then cooled in different media (water and oil). Furthermore, the water quenched specimens were age hardened at 160 °C for one, three and five hours in a furnace before subsequently cooled in air. The mechanical properties such as hardness, impact and fatigue were examined. Result shows that increasing annealing as well as ageing time, increases the impact strength while decreases the hardness of the 6061 alloy. After 4 hours of annealing, the aluminum alloy showed almost 11% increase in the impact strength. The value was further increased up to 41% increase upon 5 hours of ageing at 160 °C after the quenching process.

Item Type:	Article
Uncontrolled Keywords:	Aluminium alloy 6061, Heat treatment, Impact, Fatigue, Brinell hardness
Subjects:	T Technology > T Technology (General) T Technology > TA Engineering (General). Civil engineering (General)
Divisions:	Faculty of Mechanical Engineering
Depositing User:	Muhammad Afiz Ahmad
Date Deposited:	31 Jul 2017 04:53
Last Modified:	26 Jul 2023 16:43
URI:	http://eprints.utem.edu.my/id/eprint/18971
Statistic Details:	View Download Statistic

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