Grain refinement efficiency and mechanism of aluminium carbide in Mg–Al alloys

Detailed microscopic examination using optical and electron microscopes suggests that Al 4C 3, often observed in the central regions of magnesium grains on polished sections, is a potent substrate for primary Mg. Calculations of the crystallographic relationships between magnesium and Al 4C 3 furthe...

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Bibliographic Details
Published in:	Scripta materialia Vol. 53; no. 5; pp. 517 - 522
Main Authors:	Lu, L., Dahle, A.K., StJohn, D.H.
Format:	Journal Article
Language:	English
Published:	New York, NY Elsevier Ltd 01-09-2005 Elsevier Science
Subjects:	Applied sciences Exact sciences and technology Grain refinement Heterogeneous nucleation Metals. Metallurgy Mg–Al alloys Heterogeneous nucleation Grain refinement Mg–Al alloys Grain size Magnesium base alloys Aluminium base alloys Efficiency Mg-Al alloys Aluminium carbide Microstructure Carbides Mechanism
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Summary:	Detailed microscopic examination using optical and electron microscopes suggests that Al 4C 3, often observed in the central regions of magnesium grains on polished sections, is a potent substrate for primary Mg. Calculations of the crystallographic relationships between magnesium and Al 4C 3 further support the experimental observations.
Bibliography:	ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-Feature-1 content type line 23
ISSN:	1359-6462 1872-8456
DOI:	10.1016/j.scriptamat.2005.05.008