Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.jallcom.2007.03.058
Title: Effect of submicron size Al2O3 particulates on microstructural and tensile properties of elemental Mg
Authors: Hassan, S.F.
Gupta, M. 
Keywords: Ductility
Magnesium
Microstructure
Submicron-Al2O3
Tensile properties
Issue Date: 12-Jun-2008
Citation: Hassan, S.F., Gupta, M. (2008-06-12). Effect of submicron size Al2O3 particulates on microstructural and tensile properties of elemental Mg. Journal of Alloys and Compounds 457 (1-2) : 244-250. ScholarBank@NUS Repository. https://doi.org/10.1016/j.jallcom.2007.03.058
Abstract: In the present study, elemental and 0.3 μm size Al2O3 particulates-reinforced magnesium materials were synthesized using disintegrated melt deposition technique followed by hot extrusion. Microstructural characterization of the composite samples showed fairly uniform reinforcement distribution with good reinforcement-matrix interfacial integrity, significant grain refinement and the presence of minimal porosity. Tensile properties characterization revealed that the presence of submicron-Al2O3 reinforcement led to significant improvement in 0.2%YS, and UTS. However, ductility and work of fracture of the composites remain higher with the addition of submicron-Al2O3 particulates up to 1.1 vol%. The results further revealed that the combination of 0.2% yield strength and UTS exhibited by 0.3 μm size Al2O3 reinforced magnesium remained much superior even when compared to magnesium reinforced with nano-size Al2O3 and micron size SiC. An attempt is made in the present study to correlate the effect of submicron-Al2O3 as reinforcement and its increasing amount with the microstructural and tensile properties of magnesium. © 2007 Elsevier B.V. All rights reserved.
Source Title: Journal of Alloys and Compounds
URI: http://scholarbank.nus.edu.sg/handle/10635/85067
ISSN: 09258388
DOI: 10.1016/j.jallcom.2007.03.058
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