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Title: Prospects of in-situ α-Al2O3 as an inoculant in Aluminium- a feasibility study
Authors: Nadendla, HB
Eskin, D
Keywords: in-situ composites;α-Al2O3;grain refinement;ultrasonic cavitation
Issue Date: 2017
Citation: Journal of Materials Engineering and Performance
Abstract: In-situ α-Al2O3 was successfully synthesized and dispersed in Al alloy using B2O3 and ultrasonication aided liquid mixing technique. Microstructure analysis identified α-Al2O3 as the most common phase in the composite master alloy whereas AlB12 was frequently observed and AlB2 was rarely found in the alloy. Grain refinement analysis of selected Al alloys registered a transition of columnar to equiaxial grains of α-Al with the inoculation of the master alloy and ultrasonication treatment. Similarly, an improvement in the mechanical properties of A357 alloy was observed with the combination of inoculation and ultrasonication treatment.
metadata.dc.relation.isreplacedby: 2438/15116
ISSN: 1059-9495
Appears in Collections:Dept of Mechanical Aerospace and Civil Engineering Embargoed Research Papers

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