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Microstructure and Properties of Aluminium-Aluminium Oxide Graded Composite Materials

Farah Fazira, Kamaruzaman and Nuruzzaman, D. M. and Noor Mazni, Ismail and Zamzuri, Hamedon and Iqbal, AKM Asif and Azmir, Azhari (2017) Microstructure and Properties of Aluminium-Aluminium Oxide Graded Composite Materials. In: 4th Asia Pacific Conference on Manufacturing System and 3rd International Manufacturing Engineering Conference (APCOMS-iMEC 2017), 7-8 December 2017 , Yogyakarta, Indonesia. . (Unpublished)

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In this research works, four-layered aluminium-aluminium oxide (Al-Al2O3) graded composite materials were fabricated using powder metallurgy (PM) method. In processing, metal-ceramic graded composite materials of 0%, 10%, 20% and 30% weight percentage of ceramic concentration were prepared under 30 ton compaction load using a cylindrical die-punch set made of steel. After that, two-step pressureless sintering was carried out at sintering temperature and time 600oC and 3 hours respectively. It was observed that the sintered cylindrical specimens of 30 mm diameter were prepared successfully. The graded composite specimens were analysed and the properties such as density, microstructure and hardness were measured. It was found that after sintering process, the diameter of the graded cylindrical structure was decreased. Using both Archimedes method and rule of mixture (ROM), he density of structure was measured. The obtained results revealed that the microvickers hardness was increased as the ceramic component increases in the graded layer. Moreover, it was observed that the interface of the graded structure is clearly distinguished within the multilayer stack and the ceramic particles are almost uniformly distributed in the Al matrix.

Item Type: Conference or Workshop Item (Lecture)
Uncontrolled Keywords: aluminium-aluminium oxide; graded composite materials
Subjects: T Technology > TS Manufactures
Faculty/Division: Faculty of Manufacturing Engineering
Depositing User: Noorul Farina Arifin
Date Deposited: 20 Dec 2017 08:03
Last Modified: 16 May 2018 06:03
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