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Microstructures of Stainless Steels Exhibiting Reduced Friction and Wear After Implantation with Ti and C*

Published online by Cambridge University Press:  25 February 2011

D. M. Follstaedt ,
F. G. Yost  and
L.E. Pope
D. M. Follstaedt
Affiliation:
Sandia National Laboratories, Albuquerque, NM 87185
F. G. Yost
Affiliation:
Sandia National Laboratories, Albuquerque, NM 87185
L.E. Pope
Affiliation:
Sandia National Laboratories, Albuquerque, NM 87185
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Abstract

Implantation of Ti and C into stainless steel discs of Types 304, 15–5 PH, Nitronic 60 and 440C has previously been reported to reduce wear depths by up to ∼ 85% and friction by ∼ 50% in unlubricated pin-on-disc tests. Our earlier studies relating microstructure to friction and wear results in Type 304 are first summarized; these indicate that the improvements in the surface mechanical properties are due to an amorphous surface layer, similar to the amorphous layer observed in pure Fe implanted with Ti and C. We have now examined the other three implanted steels and found similar amorphous layers. These results strongly suggest that the amorphous surface alloy is responsible for reduced friction and wear in all the steels.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 27: Symposium E – Ion Implantation and Ion Beam Processing of Materials , 1983 , 655
Copyright
Copyright © Materials Research Society 1984

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Footnotes

*

This work performed at Sandia National Laboratories supported by the U. S. Department of Energy under contract #DE-AC04-76DP00789.

References

REFERENCES

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