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The Hardness Of Ion Implanted Ceramics

Published online by Cambridge University Press:  28 February 2011

W. C. Oliver ,
C. J. McHargue ,
G. C. Farlow  and
C. W. White
W. C. Oliver
Affiliation:
Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831
C. J. McHargue
Affiliation:
Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831
G. C. Farlow
Affiliation:
Wright State University, Dayton, Ohio
C. W. White
Affiliation:
Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831
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Abstract

It has been established that the wear behavior of ceramic materials can be modified through ion implantation. Studies have been done to characterize the effect of implantation on the structure and composition of ceramic surfaces. To understand how these changes affect the wear properties of the ceramic, other mechanical properties must be measured. To accomplish this, a commercially available ultra low load hardness tester has been used to characterize Al 2O3 with different implanted species and doses. The hardness of the base material is compared with the highly damaged crystalline state as well as the amorphous material.

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