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Tribological Properties of Ti/Tin Nanomultilayers

Published online by Cambridge University Press:  10 February 2011

Ph. Houdy ,
P. Psyllaki ,
S. Labdi ,
K. Suenaga  and
M. Jeandin
Ph. Houdy
Affiliation:
LMN, Université d'Evry Val d'Essonne, boulevard des Coquibus, 91025 Evry, France.
P. Psyllaki
Affiliation:
CMPMF, Ecole des Mines de Paris, B.P. 87, 91003 Evry, France.
S. Labdi
Affiliation:
LMN, Université d'Evry Val d'Essonne, boulevard des Coquibus, 91025 Evry, France.
K. Suenaga
Affiliation:
CMPMF, Ecole des Mines de Paris, B.P. 87, 91003 Evry, France.
M. Jeandin
Affiliation:
CMPMF, Ecole des Mines de Paris, B.P. 87, 91003 Evry, France.
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Abstract

The tribological behaviour of Ti/TiN amorphous nanometric multilayers is reported in comparison with that of single Ti and TiN layers, in order to study the wear mechanism of nanostructures submitted to that one may call “macroscopic loading”. Ti/TiN nanolayers were deposited onto Si substrate by high vacuum diode r.f. sputtering assisted by in-situ kinetic ellipsometry. Transmission Electron Microscopy (T.E.M.) characterization exhibited the multilayered structure of the films, ascertained by grazing angle X-ray reflectometry and ellipsometry. Sliding wear tests against alumina in dry air showed the ceramic-typed behaviour of the multilayers, the wear of which was partly governed through a microfracture mechanism. Their wear lifetime was found to be higher than that of Ti and TiN single layers and increased with the number of layers.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 434: Symposium U – Layered Materials for Structural Applications , 1996 , 57
Copyright
Copyright © Materials Research Society 1996

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