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On the application of the work-of-indentation approach to depth-sensing indentation experiments in coated systems

Lookup NU author(s): Jon Tuck, Dr Alexander Korsunsky, Professor Steve Bull, Robert Davidson

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Abstract

The work-of-indentation approach is developed and applied for hardness calculations in soft or hard materials, and also for a range of coated systems. The method appears to be less sensitive than other definitions to the effects of pile-up observed in soft materials. Work-of-indentation hardness is calculated directly from the energy of indentation without the need for estimating penetration depths, areas or volumes, which can be time consuming and inaccurate. In particular, using the plastic component of the work-of-indentation yields consistent results across the range of materials studied. The method breaks down, however, at very low loads and small penetration depths, which is likely to be due to deviations from the ideal tip geometry. © 2001 Elsevier Science B.V. All rights reserved.


Publication metadata

Author(s): Tuck JR, Korsunsky AM, Bull SJ, Davidson RI

Publication type: Article

Publication status: Published

Journal: Surface and Coatings Technology

Year: 2001

Volume: 137

Issue: 2-3

Pages: 217-224

ISSN (print): 0257-8972

ISSN (electronic):

Publisher: Elsevier

URL: http://dx.doi.org/10.1016/S0257-8972(00)01063-X

DOI: 10.1016/S0257-8972(00)01063-X


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