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Ion Implanted Glassy Carbon - Comparison Wear Testing with Pyrolytic Carbon

Published online by Cambridge University Press:  26 February 2011

John T. A. Pollock and
Leszek S. Wielunski
John T. A. Pollock
Affiliation:
Csiro Division of Materials Science and Technology, PMB-7 Menai, NSW, 2234, Australia
Leszek S. Wielunski
Affiliation:
Csiro Division of Materials Science and Technology, PMB-7 Menai, NSW, 2234, Australia
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Abstract

Comparative wear data for unimplanted and implanted (50 keV, 5 × 1015 N+ cm−2) glassy carbon (GC) and pyrolytic carbon (PC) are reported. The implanted GC is about 120 times more resistant to diamond abrasion than unimplanted GC and at least 10 times more resistant than PC. In sliding tests, using a ruby ball as the abrader, the implanted GC is almost unaffected for the conditions employed (50 g load, 30,000 revs) compared with the unimplanted GC and unimplanted PC each of which endured measurable wear. The reasons for the enhancement of wear resistance and the ease with which 1–2 μm thick layers may be produced are discussed.

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Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 110: Symposium M – Biomedical Materials and Devices , 1987, 681
Copyright
Copyright © Materials Research Society 1988

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References

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