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Title: Increasing elastic modulus, strength and CTE of AZ91 by reinforcing pure magnesium with elemental copper
Authors: Hassan, S.F.
Ho, K.F.
Gupta, M. 
Keywords: AZ91
Composite materials
Mechanical properties
Thermal expansion
Issue Date: Jun-2004
Citation: Hassan, S.F., Ho, K.F., Gupta, M. (2004-06). Increasing elastic modulus, strength and CTE of AZ91 by reinforcing pure magnesium with elemental copper. Materials Letters 58 (16) : 2143-2146. ScholarBank@NUS Repository.
Abstract: Heat-treatable AZ91 and 3.9 vol.% copper particulate reinforced magnesium composite was synthesized using an innovative disintegrated melt deposition (DMD) technique followed by hot extrusion. Microstructural characterization of the composite material revealed retention and uniform distribution of reinforcement with defect free interface with the matrix. Physical properties characterization revealed improved dimensional stability of composite when compared to AZ91. Mechanical properties characterization revealed an increase in average values of modulus, 0.2% yield strength and ultimate tensile strength of un-heat-treated composite when compared to T6 heat-treated AZ91 while the ductility was adversely affected. An attempt is made in the present study to compare the microstructural, physical and mechanical properties of Mg/Cu P composite with that of the commercially used AZ91 alloy. © 2004 Elsevier B.V. All rights reserved.
Source Title: Materials Letters
ISSN: 0167577X
DOI: 10.1016/j.matlet.2004.01.011
Appears in Collections:Staff Publications

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