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Title: An investigation into the effect of ball milling of reinforcement on the enhanced mechanical response of magnesium
Authors: Habibi, M.K.
Tun, K.S. 
Gupta, M. 
Keywords: al reinforcement
ball milling
magnesium matrix composites
mechanical properties
Issue Date: Nov-2011
Citation: Habibi, M.K., Tun, K.S., Gupta, M. (2011-11). An investigation into the effect of ball milling of reinforcement on the enhanced mechanical response of magnesium. Journal of Composite Materials 45 (24) : 2483-2493. ScholarBank@NUS Repository.
Abstract: Magnesium composites containing as-received and ball-milled (B) Al particles were synthesized through powder metallurgy route using microwave-assisted rapid sintering technique followed by hot extrusion. Microstructural characterization revealed fairly uniform distribution of both as-received and ball-milled (up to 1.626 vol.%) Al particles in the matrix and reduction in average matrix grain size. Compared to monolithic Mg, Mg/Al, and Mg/Al (B) composites exhibited significantly higher strengths and failure strains. The results revealed that strength and failure strain (up to 1.626 vol.% Al) of composites containing ball-milled Al particles remained higher compared to composites containing as-received Al particles. Compared to monolithic Mg, Mg/1.626Al (B) composite exhibited the best mechanical properties improvement with an increase of 78%, 79%, 87%, and 225%, in 0.2%YS, UTS, failure strain and WOF, respectively, while for Mg/1.626Al composite, the improvement was 51%, 53%, 65% and 142%, respectively. The effects of as-received and ball-milled Al particles contribution on the enhancement of mechanical properties of Mg is investigated in this article. © 2011 The Author(s).
Source Title: Journal of Composite Materials
ISSN: 00219983
DOI: 10.1177/0021998311401098
Appears in Collections:Staff Publications

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