Skip to main content
SpringerLink
Log in

A new method for analyzing data from continuous depth-sensing microindentation tests

  • Articles
  • Published:
Journal of Materials Research Aims and scope Submit manuscript

Abstract

A new parameter, hardness/modulus2 (H/E2), has been derived from the equations used to calculate the hardness and elastic modulus from data taken during continuous depth-sensing microindentation tests. This paper discusses the use of this parameter to treat the data obtained from a sample whose surface roughness was of the same scale as the size of the indents. The resulting data were widely scattered. This scatter was reduced when the data were plotted in terms of H/E2 versus stiffness. The effect of surface roughness on the hardness and elastic modulus results is removed via stiffness measurements, provided single contacts are made between the indenter and the specimen. The function relating the cross-sectional area of the indenter versus the distance from its point is not required for calculation of H/E2, but the hardness and modulus cannot be determined separately. The parameter H/E2 indicates resistance to plastic penetration in this case.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Log in via an institution

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Institutional subscriptions

Similar content being viewed by others

References

  1. J. B. Pethica, R. Hutchings, and W. C. Oliver, Phil. Mag. A48 (4), 593 (1983).

    Article  Google Scholar 

  2. M. F. Doerner and W. D. Nix, J. Mater. Res. 1 (4), 601 (1986).

    Article  Google Scholar 

  3. J. B. Pethica, R. Hutchings, and W. C. Oliver, Nucl. Instrum. Methods 209/210, 9995 (1983).

    Article  Google Scholar 

  4. R. Hutchings and W. C. Oliver, Wear 92, 143 (1982).

    Article  Google Scholar 

  5. W. C. Oliver, R. Hutchings, and J. B. Pethica, Metall. Trans. A 15A, 2221 (1984).

    Article  CAS  Google Scholar 

  6. I. N. Sneddon, Int. J. Engr. Sci. 3, 47 (1965).

    Article  Google Scholar 

  7. H. Hertz, J. Reine Angew. Math. 92, 156 (1881); Verhandlungen des Vereins zur Beförderung des Gewerbe Fleisses 61, 449 (1882). Reprinted in English in Hertz’s Miscellaneous Papers (MacMillan, London, 1896).

    Google Scholar 

Download references

Author information

Authors and Affiliations

  1. Metals and Ceramics Division, Oak Ridge National Laboratory, P.O. Box 2008, Oak Ridge, Tennessee, 37831-6118, USA

    D. L. Joslin (Guest) & W. C. Oliver

  2. University of Tennessee, Knoxville, Tennessee, USA

    D. L. Joslin (Guest)

Authors
  1. D. L. Joslin
    View author publications

    You can also search for this author in PubMed Google Scholar

  2. W. C. Oliver
    View author publications

    You can also search for this author in PubMed Google Scholar

Rights and permissions

Reprints and permissions

About this article

Cite this article

Joslin, D.L., Oliver, W.C. A new method for analyzing data from continuous depth-sensing microindentation tests. Journal of Materials Research 5, 123–126 (1990). https://doi.org/10.1557/JMR.1990.0123

Download citation

  • Received:

  • Accepted:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1557/JMR.1990.0123

Search

Navigation