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A simple predictive model for spherical indentation

Published online by Cambridge University Press:  31 January 2011

J.S. Field  and
M.V. Swain
J.S. Field
Affiliation:
Department of Mechanical Engineering, University of Sydney, New South Wales, 2056, Australia
M.V. Swain
Affiliation:
CSIRO Division of Applied Physics, Lindfield, New South Wales, 2070, Australia
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Abstract

A simple model is described with which the entire force versus penetration behavior of indentation with a sphere, during loading and unloading, may be simulated from knowledge of the four test material parameters, Young's modulus, Poisson's ratio, flow stress at the onset of full plastic flow and strain hardening index, and the elastic properties of the indenter. The underlying mechanisms are discussed and the predictions of the model are compared with data produced by an ultra low load, penetration measuring instrument.

Type
Articles
Information
Journal of Materials Research , Volume 8 , Issue 2 , February 1993 , pp. 297 - 306
Copyright
Copyright © Materials Research Society 1993

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References

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