Hostname: page-component-8448b6f56d-xtgtn Total loading time: 0 Render date: 2024-04-24T03:38:55.011Z Has data issue: false hasContentIssue false
  • English
  • Français

Micromechanical Properties of Silicate Glass Films on Sapphire Substrates

Published online by Cambridge University Press:  10 February 2011

Andrey V. Zagrebelny  and
C. Barry Carter
Andrey V. Zagrebelny
Affiliation:
Department of Chemical Engineering and Materials Science, University of Minnesota, 421 Washington Ave. SE., Minneapolis, MN 55455
C. Barry Carter
Affiliation:
Department of Chemical Engineering and Materials Science, University of Minnesota, 421 Washington Ave. SE., Minneapolis, MN 55455
Get access

Abstract

The deformation of thin layers of glass on crystalline materials has been examined using newly developed experimental methods for nanomechanical testing. Continuous films of anorthite (CaAl2Si2O8), celsian (BaAl2Si2O8), and monticellite (CaMgSiO4) were deposited onto A12O3 surfaces by pulsed-laser deposition (PLD). Mechanical properties such as Young's modulus and hardness were probed with a high-resolution depth-sensing indentation instrument. Nanomechanical testing, combined with AFM in-situ imaging of the deformed regions, allowed force-displacement measurements and imaging of the same regions of the specimen before and immediately after indentation. Emphasis has been placed on examining how changes in the glass composition, residual stress introduced into the films, effect of film's heat-treatment, and the effect of substrate crystallographic orientation will affect the mechanical properties of silicate-glass films.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 505 , 1997 , 481
Copyright
Copyright © Materials Research Society 1998

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

REFERENCES

1.Kingery, W. D., Bowen, H. K. and Uhlmann, D. R., Introduction to Ceramics, Wiley- Interscience, New York, (1976).Google Scholar
2.Hansen, S. C. and Phillips, D. S., Phil. Mag. A, 47, 209 (1983).Google Scholar
3.Wiederhorn, S. M., Ultra-Fine Grain Ceramics, Syracuse University Press, New York, (1970).Google Scholar
4.Dorre, E. and Hubner, H., Alumina-Processing, Properties, and Applications, Springer- Verlag, Berlin, (1984).Google Scholar
5.Wachtman, J. B., Tefft, W. E. and Jr, D. G. L.., in Mechanical Properties of Engineering Ceramics, Kriegel, W. W. and III, H. P. (ed.), Interscience Publishers, New York (1961), p. 221.Google Scholar
6.Teitz, L. A., Summerfelt, S. R. and Carter, C. B., Phil. Mag. A, 65, 439 (1992).Google Scholar
7.Ramamurthy, S., Hebert, B. C. and Carter, C. B., Phil. Mag. Lett., 72, 269 (1995).Google Scholar
8.Johnson, K. L., Contact Mechanics, Cambridge University Press, Cambridge, (1985).Google Scholar
9.Mallamaci, M. P., Interfaces Between Alumina and Silicate-Glass Films, Ph. D. Thesis Cornell University (1995).Google Scholar
10.Kotula, P. G. and Carter, C. B., Mat. Res. Soc. Symp., 285, 373 (1993).Google Scholar
11.Zagrebelny, A. V. and Carter, C. B., Scripta Mat., in press, (1997).Google Scholar
12.Gerberich, W. W., Nelson, J. C., Lilleodden, E. T., Anderson, P. and Wyrobek, J. T., Acta Met., 44, 3585 (1996).Google Scholar
13.Zagrebelny, A. V., Lilleodden, E. T. and Carter, C. B., MRS 1997 Fall Meeting, Boston (1996), p. 179.Google Scholar
14.Mencik, J., Strength and Fracture of Glass and Ceramics, Elsevier, Amsterdam, (1992).Google Scholar
15.Zagrebelny, A. V., Lilleodden, E. T., Gerberich, W. W. and Carter, C. B., to be published, (1997).Google Scholar