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Effect of organic space holder in fabrication of clocedcell aluminium foam

Idris, Maizlinda Izwana and Md. Ehsan, I. I. and Mohamed, S. H. (2013) Effect of organic space holder in fabrication of clocedcell aluminium foam. In: Advanced Materials Engineering and Technology (ICAMET 2013) , 28-29 November 2013, Bandung, Indonesia .

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In this work, the closed-cell aluminium foams were fabricated via powder metallurgy route with organic space holder which also known as carbamide (urea). Carbamide was added with aluminium powder at different compositions from 50wt% to 70wt%. Then the influences of sintering temperatures were also investigated at 500°C, 550°C and 600°C. Physical and mechanical tests were conducted on the fabricated closed cell aluminium foam samples. The result showed that the porosity inversely proportional with density, that means the porosity decreases as the density of the foam increased. Also, it was revealed that the highest compressive strength was obtained at sintering temperature of 550°C. However, the compressive strength of the closed-cell aluminium foam decreased at the sintering temperature of 600°C. This is due to the occurrence of oxidation problem. It can be concluded that carbamide can be proposed as one of the organic space holder material in the fabrication of closed–cell aluminium foam. Then, the experimental parameters such as sintering temperature, type of space holder and composition gave great influence to the mechanical and physical properties of the fabricated closed-cell aluminium foam.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: aluminium foam; carbamide; sintering; mechanical properties
Subjects: T Technology > TA Engineering (General). Civil engineering (General) > TA349-359 Mechanics of engineering. Applied mechanics
Divisions: Faculty of Mechanical and Manufacturing Engineering > Department of Materials Engineering and Design
Depositing User: Normajihan Abd. Rahman
Date Deposited: 24 Sep 2014 08:48
Last Modified: 24 Sep 2014 08:48
URI: http://eprints.uthm.edu.my/id/eprint/4781
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