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Processing and Properties of Gamma+Laves Phase in-situ Composite Coatings Deposited via Magnetron Sputtering

Published online by Cambridge University Press:  21 March 2011

Feng Huang ,
William S. Epling ,
John A. Barnard  and
Mark L. Weaver
Feng Huang
Affiliation:
Department of Metallurgical and Materials Engineering, The University of Alabama, Box 870202, Tuscaloosa, AL 35487–0202
William S. Epling
Affiliation:
Department of Chemical Engineering, The University of Alabama, Box 870203, Tuscaloosa, AL 35487–0203
John A. Barnard
Affiliation:
Department of Metallurgical and Materials Engineering, The University of Alabama, Box 870202, Tuscaloosa, AL 35487–0202
Mark L. Weaver
Affiliation:
Department of Metallurgical and Materials Engineering, The University of Alabama, Box 870202, Tuscaloosa, AL 35487–0202
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Abstract

Recent research efforts have established that Laves phase reinforced gamma titanium aluminides (i.e. γ + Laves) offer significant potential as oxidation resistant coating in high-temperature structural applications and as wear-resistant coatings for cutting tools. In this study, TiAlCr coatings were magnetron sputtered from a Ti-51Al-Cr alloy target onto various substrates. The microstructure, hardness, and stress behavior of the as-deposited and annealed coatings have been investigated.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 646 , 2000 , N5.24.1
Copyright
Copyright © Materials Research Society 2001

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References

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