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|Title:||Effect of submicron size Al2O3 particulates on microstructural and tensile properties of elemental Mg||Authors:||Hassan, S.F.
|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|
|Appears in Collections:||Staff Publications|
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