Microstructure and material characterization of 6063/B sub(4)C and 1545K/B sub(4)C composites produced by two stir casting techniques for nuclear applications

The composites of 6063 + 5%B sub(4)C and 1545 K + 5%B sub(4)C were successfully produced by two stir casting techniques. The first involved incorporation of reinforcements particles in pure form. Stir casting technique was novel, in which the particles incorporated to the melt using by powder master...

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Bibliographic Details
Published in:	Journal of alloys and compounds Vol. 664; pp. 317 - 320
Main Authors:	Pozdniakova, A V, Zolotorevskiyb, V S, Barkovb, RYu, Lotfyb, A, Bazlovb, AI
Format:	Journal Article
Language:	English
Published:	15-04-2016
Subjects:	Alloys Aluminum base alloys Interface reactions Master alloys Melts Particulate composites Phases Reinforcement
Online Access:	Get full text
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Summary:	The composites of 6063 + 5%B sub(4)C and 1545 K + 5%B sub(4)C were successfully produced by two stir casting techniques. The first involved incorporation of reinforcements particles in pure form. Stir casting technique was novel, in which the particles incorporated to the melt using by powder master alloy. The incorporation of B sub(4)C particles in pure form is more effective than using a powder master alloy. A good interface reaction between the matrix and the B sub(4)C reinforcements was observed by the formation of Al sub(3)BC and AlB sub(2) phases on the matrix/B sub(4)C interface. 1545 K + 5%B sub(4)C alloy showed YS = 425 MPa and UTS = 455 MPa and, also high resistance to intercrystalline corrosion.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 content type line 23 ObjectType-Feature-2
ISSN:	0925-8388
DOI:	10.1016/j.jallcom.2015.12.228