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Friction and wear studies in N-implanted Al2O3, SiC, TiB2, and B4C ceramics

Published online by Cambridge University Press:  31 January 2011

M. Nastasi ,
R. Kossowsky ,
J. -P. Hirvonen  and
N. Elliott
M. Nastasi
Affiliation:
Los Alamos National Laboratory, Materials Science and Technology Division, Los Alamos. New Mexico 87545
R. Kossowsky
Affiliation:
The Pennsylvania State University, University Park, Pennsylvania 16802
J. -P. Hirvonen
Affiliation:
University of Helsinki, Department of Physics, Helsinki, Finland
N. Elliott
Affiliation:
Los Alamos National Laboratory, Materials Science and Technology Division, Los Alamos, New Mexico 87545
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Abstract

Bulk polycrystalline samples of sintered Al2O3, and hot-pressed Al2O3, SiC, TiB2, and B4C ceramics were ion implanted at 77 K with 190 keV N+ to a dose of 3 × 1017 N/cm2. Nitrogen implantation resulted in reduced friction coefficients for SiC, TiB2, and B4C samples and a reduction in wear for TiB2. Both Al2O3 samples showed a significant increase in friction coefficients after nitrogen implantation. Nitrogen-implantation-induced changes in these properties appear to be correlated with the thermodynamic tendency of the sample to form “nitridelike” bonds.

Type
Articles
Information
Journal of Materials Research , Volume 3 , Issue 6 , December 1988 , pp. 1127 - 1133
Copyright
Copyright © Materials Research Society 1988

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