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Strength of Materials
Published in: Strength of Materials 1/2016

23-03-2016

Microstructure and Wear Properties of the Quasi-Rapidly Solidified NiAl/Cr(Mo,Dy) Hypoeutectic Alloy

Author: L. Y. Sheng

Published in: Strength of Materials | Issue 1/2016

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Abstract

The NiAl/Cr(Mo,Dy) hypoeutectic alloy was prepared by quasi-rapid solidification to investigate its microstructure and wear behavior. The results revealed that the quasi-rapid solidification refined the eutectic cell and NiAl/Cr(Mo) eutectic structure obviously. The alloy was composed of primary NiAl, fine NiAl/Cr(Mo) eutectic lamella and Ni 5 Dy phase. Compression test showed that the quasi-rapid solidification improved the mechanical properties of the alloy obviously. Wear test exhibited that alloy possessed excellent wear properties at about 1073 K, which should be ascribed to the lubricant film formed by amorphous and Cr 2 O 3 and Al 2 O 3 nanoparticles. The alloy also exhibited relative good wear properties at 673 K, which should be attributed to its high strength.
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Metadata
Title
Microstructure and Wear Properties of the Quasi-Rapidly Solidified NiAl/Cr(Mo,Dy) Hypoeutectic Alloy
Author
L. Y. Sheng
Publication date
23-03-2016
Publisher
Springer US
Published in
Strength of Materials / Issue 1/2016
Print ISSN: 0039-2316
Electronic ISSN: 1573-9325
DOI
https://doi.org/10.1007/s11223-016-9744-5

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