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Processing and Properties of Nanostructured Alloy Coatings in the Binary Ni-Cr System

Published online by Cambridge University Press:  26 February 2011

Pablo Castro ,
Christopher A. Schuh  and
Hong Liang
Pablo Castro
Affiliation:
[email protected], Tenaris, CINI (Center for Industrial Research), Simini 250, Campana, Buenos Aires, 2804, Argentina
Christopher A. Schuh
Affiliation:
[email protected], MIT, Department of Materials Science and Engineering, United States
Hong Liang
Affiliation:
[email protected], Texas A&M University, Mechanical Engineering, United States
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Abstract

Using a scalable electrodeposition process, nanocrystalline Ni-Cr alloy coatings have been produced on copper and steel substrates, and the roles of various processing variables on the resulting coating structure and properties have been investigated. The possibility of producing composite coatings of wear resistant nanostructured Ni-Cr alloys containing graphite or MoS2 particles has also been studied; the co-deposition of solid lubricant particles improved the tribological performance of the coatings in ball-on-disk testing. The combination of a hard material such as nanocrystalline Ni-Cr alloy with a solid lubricant has a great potential for new surface modification developments.

Keywords

nanostructureelectrodepositioncomposite
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 903: Symposium Z – Amorphous and Nanocrystalline Metals for Structural Applications , 2005 , 0903-Z05-33
Copyright
Copyright © Materials Research Society 2006

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References

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