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Title: The characteristic of porosity in Al-SiC metal-matrix composite under different milling time
Authors: Nozie, Abdullah
Shahruddin, Mahzan
Ade Firdianto
Norashida, Arsat
Darwin, Sebayang
Al Imran, Ismail
???metadata.dc.contributor.url???: sharudin@uthm.edu.my
Keywords: Powder metallurgy;Porosity;Ball-milling;Composites;Metal matrix composite;Mechanical strength
Issue Date: 1-Dec-2009
Publisher: Universiti Malaysia Perlis
Citation: p.1-5
Series/Report no.: Proceedings of the Malaysian Metallurgical Conference '09 (MMC'09)
Abstract: Powder metallurgy has been extensively investigated due to high mechanical strength and potentially for cost reduction. The current investigated the performance of aluminium and silicon carbide powder in producing alternative materials for engineering applications. The research focuses on the influence of porosity on the Al-SiC metal matrix composite. Aluminium Al 5082 and silicon carbide mixture was produced using conventional ball milling, cold compaction under static loading and sintering process. Various ball-milling durations was introduced for 1, 24 and 48 hours. The characteristics of porosity under different milling time, density, hardness and microstructure were analysed. The results indicate different percentage of porosity occurred for different milling time. The best milling time was 24 hours which produced the highest hardness value. This indicates the presence of pores during ball milling process influenced the overall performance of powdered material.
Description: Organized by School of Materials Engineering & Sustainable Engineering Research Cluster, 1st - 2nd December 2009 at Putra Brasmana Hotel, Kuala Perlis, Perlis.
URI: http://hdl.handle.net/123456789/7515
Appears in Collections:Conference Papers

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