Unusual Solidification Behavior of the Suction-Cast Cu-Zr-Al-Y Alloy Doped with Fe

The effect of iron addition on the microstructure of the Cu-Zr-Al-Y glass-forming alloy was studied. Despite a high superficial cooling rate, small Fe additions (1.5 and 3 pct) induced formation of crystalline CuZr and AlCu 2 Zr phases on the outer layers of suction-cast rods. As the melt compositio...

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Bibliographic Details
Published in:Metallurgical and materials transactions. A, Physical metallurgy and materials science Physical metallurgy and materials science, 2017-04, Vol.48 (4), p.1528-1533
Main Authors: Kozieł, Tomasz, Cios, Grzegorz, Latuch, Jerzy, Pajor, Krzysztof, Bała, Piotr
Format: Article
Language:English
Subjects:
Characterization and Evaluation of Materials
Chemistry and Materials Science
Communication
Crystallization
Iron alloys
Materials Science
Metallic Materials
Metallurgy
Microstructure
Nanotechnology
Structural Materials
Surfaces and Interfaces
Thin Films
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Summary:The effect of iron addition on the microstructure of the Cu-Zr-Al-Y glass-forming alloy was studied. Despite a high superficial cooling rate, small Fe additions (1.5 and 3 pct) induced formation of crystalline CuZr and AlCu 2 Zr phases on the outer layers of suction-cast rods. As the melt composition near the solid/liquid interface was depleted in Fe, the remaining melt vitrified at a relatively low cooling rate.
ISSN:1073-5623
1543-1940
DOI:10.1007/s11661-017-3963-7