Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.msea.2004.09.047
Title: Development of high performance magnesium nano-composites using nano-Al2O3 as reinforcement
Authors: Hassan, S.F.
Gupta, M. 
Keywords: Alumina
Ductility
Magnesium
Mechanical properties
Nano-reinforcement
Issue Date: 15-Feb-2005
Source: Hassan, S.F., Gupta, M. (2005-02-15). Development of high performance magnesium nano-composites using nano-Al2O3 as reinforcement. Materials Science and Engineering A 392 (1-2) : 163-168. ScholarBank@NUS Repository. https://doi.org/10.1016/j.msea.2004.09.047
Abstract: In the present study, magnesium based composites with three different volume percentages of nano-sized Al2O3 particulates reinforcement were fabricated using blend-press-sinter methodology avoiding ball milling. Microstructural characterization of the materials revealed reasonably uniform distribution of nano-size Al2O3 reinforcement and presence of minimal porosity. Mechanical properties characterization revealed that the presence of nano-Al2O3 particulates as reinforcement lead to a simultaneous increase in hardness, elastic modulus, 0.2% yield strength, UTS and ductility of pure magnesium. The results revealed that the 0.2% yield strength, UTS and ductility combination of the magnesium nano-composites containing 0.66 and 1.11 vol% of alumina remained higher when compared to high strength magnesium alloy AZ91 reinforced with much higher amount of micrometer size SiC particulates. An attempt is made in the present study to correlate the effect of presence of nano-Al2O3 as reinforcement and its increasing amount with the microstructural and mechanical properties of magnesium. © 2004 Elsevier B.V. All rights reserved.
Source Title: Materials Science and Engineering A
URI: http://scholarbank.nus.edu.sg/handle/10635/84986
ISSN: 09215093
DOI: 10.1016/j.msea.2004.09.047
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