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Friction and Wear of Stainless Steels Implanted with Ti and C

Published online by Cambridge University Press:  15 February 2011

F. G. Yost ,
L. E. Pope ,
D. M. Follstaedt ,
J. A. Knapp  and
S. T. Picraux
F. G. Yost
Affiliation:
Sandia National Laboratories,** P. O. Box 5800, Albuquerque, New Mexico, USA
L. E. Pope
Affiliation:
Sandia National Laboratories,** P. O. Box 5800, Albuquerque, New Mexico, USA
D. M. Follstaedt
Affiliation:
Sandia National Laboratories,** P. O. Box 5800, Albuquerque, New Mexico, USA
J. A. Knapp
Affiliation:
Sandia National Laboratories,** P. O. Box 5800, Albuquerque, New Mexico, USA
S. T. Picraux
Affiliation:
Sandia National Laboratories,** P. O. Box 5800, Albuquerque, New Mexico, USA
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Abstract

Friction and wear tests were completed on Fe, and stainless steels of the type 304, 15–5 PH, Nitronic 60 and 440C implanted with Ti and C. Samples were mechanically polished prior to ion implantation to fluences of 2 × 1017 Ti/cm2 (90–180 keV) and 2 × 1017 C/cm2 (30 keV); the implantation profiles of the two elements overlapped to 0.1 μm. Light load wear conditions with no lubrication were evaluated in a pin-on-disc configuration. Ion implantation significantly reduced the friction coefficient by up to 75% and decreased the maximum wear depth by up to 95%, but both effects were material and load dependent. Only stainless steel 304 had both friction and wear reduced by implantation for all loads examined. Fine-scale parallel grooves were present in the wear track for light loads, but this wear pattern was transformed to a galled structure at high loads. A correlation existed between decreased friction, reduced wear, the wear track morphology and Ti in the wear track.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 7 , 1981 , 261
Copyright
Copyright © Materials Research Society 1982

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Footnotes

*

*This work was supported by the U.S. Department of Energy (DOE), under Contract Number DE–AC04–76–DP00789.

**

A U.S. DOE facility.

References

REFERENCES

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