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Friction and Wear Behavior of a Cobalt-Based Alloy Implanted with Ti or N

Published online by Cambridge University Press:  25 February 2011

S. A. Dillich ,
R. N. Bolster  and
I. L. Singer
S. A. Dillich
Affiliation:
Code 6170, Chemistry Division, Naval Research Laboratory, Washington, D.C. 20375;
R. N. Bolster
Affiliation:
Code 6170, Chemistry Division, Naval Research Laboratory, Washington, D.C. 20375;
I. L. Singer
Affiliation:
Code 6170, Chemistry Division, Naval Research Laboratory, Washington, D.C. 20375;
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Abstract

Dry sliding friction tests and relative abrasive wear measurements were used to investigate the effects of ion implantation on the tribology of a centrifugally cast Co-Cr-W-C alloy. Titanium implantation was found to significantly reduce the friction and wear of the alloy. Auger spectroscopy showed that vacuum carburization of the surface occurred during Ti implantation. Similar Ti and C profiles were seen in both carbide and (Co-rich) matrix phases. The abrasive wear resistance of the alloy decreased as a result of N-implantation. Nitrogen implantation did not reduce the friction during dry sliding, however, a change in the wear mode was observed.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 27: Symposium E – Ion Implantation and Ion Beam Processing of Materials , 1983 , 637
Copyright
Copyright © Materials Research Society 1984

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References

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