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Combined Oxygen - Nitrogen Ion Implants Into Ti6A14V

Published online by Cambridge University Press:  25 February 2011

Anton Greenwald,
James Daly,
John Meroth,
Richard Oliver,
Piran Sioshansi and
Clive Clayton
Anton Greenwald
Affiliation:
Spire Corporation, Patriots Park, Bedford, MA 01730
James Daly
Affiliation:
Spire Corporation, Patriots Park, Bedford, MA 01730
John Meroth
Affiliation:
Spire Corporation, Patriots Park, Bedford, MA 01730
Richard Oliver
Affiliation:
Spire Corporation, Patriots Park, Bedford, MA 01730
Piran Sioshansi
Affiliation:
Spire Corporation, Patriots Park, Bedford, MA 01730
Clive Clayton
Affiliation:
State University of New York at Stony Brook, NY
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Abstract

The alloy preferred for medical protheses, Ti6A14V, was ion implanted with oxygen and nitrogen alone and in combination at varying energies, 25 to 120 keV, and varying dose levels, 1017 to 1018 ions/cm2. Measurements were made of microhardness, corrosion resistance, chemical bonding of implanted species, and (with UHMWpo lyethylene) pin-on-disk wear and friction. The addition of oxygen to nitrogen implants now used in production was found to have little effect on wear or any other parameter.

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References

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