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Wear Properties and Surface Structure of Ion Implanted Glassy Carbon

Published online by Cambridge University Press:  26 February 2011

Kazuo Yoshida ,
Kazuhiko Okuno ,
Gen Katagiri ,
Akira Ishitani ,
Katsuo Takahashi  and
Masaya Iwaki
Kazuo Yoshida
Affiliation:
Toray Research Center Inc., Sonoyama 1-1-1, Otsu, Siga. 520 JAPAN
Kazuhiko Okuno
Affiliation:
Toray Research Center Inc., Sonoyama 1-1-1, Otsu, Siga. 520 JAPAN
Gen Katagiri
Affiliation:
Toray Research Center Inc., Sonoyama 1-1-1, Otsu, Siga. 520 JAPAN
Akira Ishitani
Affiliation:
Toray Research Center Inc., Sonoyama 1-1-1, Otsu, Siga. 520 JAPAN
Katsuo Takahashi
Affiliation:
The Institute of Physical and Chemical Research (RIKEN) Hirosawa 2-1, Wako, Saitama. 351–01 JAPAN
Masaya Iwaki
Affiliation:
The Institute of Physical and Chemical Research (RIKEN) Hirosawa 2-1, Wako, Saitama. 351–01 JAPAN
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Abstract

Wear properties of Li+, K+, C+, Cl+, and Ti+ implanted glassy carbons (GC) have been studied by wear tests using silicon carbide abrasive paper. It has been found that ion implantation is effective for improving wear resistance of GC. The measurements of Raman spectra revealed formation of an amorphous structure on the surface. Anomalous depth profiles with flat concentration distribution of Li and K atoms were observed by a secondary ion mass spectroscopy (SIMS). In conclusion. the formation of an amorphous structure seems to explain the improvement in wear resistance.

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References

REFERENCES

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