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Hardness as a Measure of Wear Resistance

Published online by Cambridge University Press:  25 February 2011

W.C. Oliver ,
R. Hutchings ,
J.B. Pethica ,
I.L. Singer  and
G.K. Hubler
W.C. Oliver
Affiliation:
United Technologies Research Center, E. Hartford, CT 06108;
R. Hutchings
Affiliation:
Brown Boveri Research Center, CH-5405 Baden, Switzerland
J.B. Pethica
Affiliation:
Cavendish Lab., Cambridge, CB3 OHE, U.K.
I.L. Singer
Affiliation:
Naval Research Laboratory, U.S.A.
G.K. Hubler
Affiliation:
Naval Research Laboratory, U.S.A.
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Abstract

One measure of the surface mechanical properties of materials can be obtained through microhardness data. The success of microhardness in predicting the improvements in wear resistance of ion implanted metals has been mixed. In this paper the cases of N implantation into 304 S.S. and Ti implantation into 52100 bearing steel will be examined. Microhardness data indicates little or no hardness changes whereas large wear rate changes are observed. From these two examples it is clear that the wear mechanism, the chemical nature of the surface, the ductility, and the toughness can be more important than the hardness changes.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 27: Symposium E – Ion Implantation and Ion Beam Processing of Materials , 1983 , 603
Copyright
Copyright © Materials Research Society 1984

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References

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