Hostname: page-component-586b7cd67f-t7fkt Total loading time: 0 Render date: 2024-11-29T21:31:34.015Z Has data issue: false hasContentIssue false

A method for interpreting the data from depth-sensing indentation instruments

Published online by Cambridge University Press:  31 January 2011

M.F. Doerner
Affiliation:
IBM General Products Division, San Jose, California 95193 Department of Materials Science and Engineering, Stanford University, Stanford, California 94305
W.D. Nix
Affiliation:
Department of Materials Science and Engineering, Stanford University, Stanford, California 94305
Get access

Abstract

Depth-sensing indentation instruments provide a means for studying the elastic and plastic properties of thin films. A method for obtaining hardness and Young's modulus from the data obtained from these types of instruments is described. Elastic displacements are determined from the data obtained during unloading of the indentation. Young's modulus can be calculated from these measurements. In addition, the elastic contribution to the total displacement can be removed in order to calculate hardness. Determination of the exact shape of the indenter at the tip is critical to the measurement of both hardness and elastic modulus for indentation depths less than a micron. Hardness is shown to depend on strain rate, especially when the hardness values are calculated from the data along the loading curves.

Type
Articles
Copyright
Copyright © Materials Research Society 1986

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

1Pethica, J., Hutchings, R., and Oliver, W. C., Philos. Mag. A 48, 593 (1983).Google Scholar
2Loubet, J. L., Georges, J. M., Marchesini, J. M., and Meille, G., J. Tribology 106, 43 (1984).CrossRefGoogle Scholar
3Wierengaand, P. E.Frenken, A. J. J., J. Appl. Phys. 55, 4244 (1984).Google Scholar
4Newey, D., Wilkins, M. A., and Pollock, H. M., J. Phys. E 15, 119 (1982).CrossRefGoogle Scholar
5Stilwell, N. A. and Tabor, D., Prw. Phys. Soc. London 78, 169 (1961).Google Scholar
6Sneddon, E. N., Int. J. Eng. Sci. 3, 47 (1965).CrossRefGoogle Scholar
7Bogardus, E. H., J. Appl. Phys. 36, 2504 (1965).Google Scholar
8Berry, B. S., Metallic Glasses (American Society of Metals, Metals Park, Ohio, 1978), pp. 161189.Google Scholar
9Upit, G.P. and Varchenya, S. A., The Science of Hardness Testingand Its Research Applications (American Society of Metals, Metals Park, OH, 1971) pp. 135146.Google Scholar
10Hannula, S., Stone, D., and Li, C. (unpublished work).Google Scholar