Effect of artificial aging on the microstructure and mechanical properties of AJ62 magnesium alloys

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Abstract

Magnesium (Mg) alloys with addition of strontium, such as AJ62, are die-castable and have good creep resistance at high temperatures. The formation of compounds containing strontium are extremely useful to increase the elevated temperature properties and strontium is an effective grain refiner for magnesium alloys. In this study, the effect of artificial aging of AJ62 magnesium alloys on the microstructure development and mechanical properties was studied. The alloys were solution heat treated, cooled to room temperature, before artificially aged to the room temperature. Different heating times and cooling conditions in the aging parameters were used. Aging time and cooling conditions affect the dendrite and eutectic phases refinement and lead to varying mechanical properties. Refinement of dendrite size enhanced the ductile properties.

Item Type:	Conference or Workshop Item (Lecture)
Additional Information:	Indexed by Scopus
Uncontrolled Keywords:	Artificial aging; Ductility; Magnesium alloys; Microstructure
Subjects:	T Technology > TJ Mechanical engineering and machinery T Technology > TL Motor vehicles. Aeronautics. Astronautics
Faculty/Division:	Institute of Postgraduate Studies College of Engineering Faculty of Mechanical and Automotive Engineering Technology
Depositing User:	Mrs Norsaini Abdul Samat
Date Deposited:	27 Nov 2023 01:38
Last Modified:	27 Nov 2023 01:38
URI:	http://umpir.ump.edu.my/id/eprint/39392
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