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Tribomechanical Properties of Ion-Beam-Densified Sol-Gel Zirconia Thin Films on Cubic Zirconia

Published online by Cambridge University Press:  15 February 2011

Timothy E. Levine ,
Peter Revesz ,
James W. Mayer  and
Emmanuel P. Giannelis
Timothy E. Levine
Affiliation:
Cornell University, Department of Materials Science and Engineering, Ithaca, NY 14853
Peter Revesz
Affiliation:
Cornell University, Department of Materials Science and Engineering, Ithaca, NY 14853
James W. Mayer
Affiliation:
Presently at Arizona State University, Tempe, AZ 85278-1804
Emmanuel P. Giannelis
Affiliation:
Cornell University, Department of Materials Science and Engineering, Ithaca, NY 14853
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Abstract

We have investigated the tribomechanical properties of ion-beam-densified sol-gel zirconia overlayers on bulk zirconia. Ion irradiation of the sol-gel films leads to hydrogen, oxygen, and carbon losses as indicated by Rutherford backscattering spectrometry and forward recoil energy spectroscopy. Ellipsometry measurements show that the film thickness decreases with increasing dose. The microhardness exhibits an increase and subsequent decrease with dose. Friction measurements along with profilometry measurements indicate that severe abrasive wear of the film takes place in the first 1000 cycles after which point the substrate is in direct contact with the pin.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 308: Symposium M1 – Thin Films: Stresses and Mechanical Properties IV , 1993 , 635
Copyright
Copyright © Materials Research Society 1993

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References

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