Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/85909
Title: Creation of high performance Mg based composite containing nano-size Al 2O 3 particulates as reinforcement
Authors: Hassan, S.F.
Gupta, M. 
Keywords: Ductility
Magnesium
Mechanical Properties
Microstructure
Nanoparticulates
Issue Date: 2005
Source: Hassan, S.F.,Gupta, M. (2005). Creation of high performance Mg based composite containing nano-size Al 2O 3 particulates as reinforcement. Journal of Metastable and Nanocrystalline Materials 23 : 151-154. ScholarBank@NUS Repository.
Abstract: Magnesium based composite with 2.5 weight percentage of nano-sized Al 2O 3 particulates reinforcement was fabricated using powder metallurgy technique. Al 2O 3 particulates with an equivalent size of 50-nm were used as reinforcement. Microstructural characterization of the materials revealed recrystallization and grain refinement due to the presence of nano-Al 2O 3. Mechanical properties characterization revealed that the presence of nano-Al 2O 3 particulates as reinforcement lead to a significant increase in hardness, elastic modulus, 0.2% yield strength and UTS and ductility of pure magnesium. The results revealed that the specific tensile properties of these materials are superior when compared to high strength magnesium alloy AZ91 reinforced with much higher weight percentage of SiC. An attempt is made in the present study to correlate the effect of nano-sized Al 2O 3 particulates as reinforcement with the microstructural and mechanical properties of magnesium.
Source Title: Journal of Metastable and Nanocrystalline Materials
URI: http://scholarbank.nus.edu.sg/handle/10635/85909
ISSN: 14226375
Appears in Collections:Staff Publications

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