Indentation Load-Size Effect in Al2O3 — SIC Nanocomposites

Erika CsehovAaA; Jana AndrejovskAaA; Apichart Limpichaipanit; Ján Dusza; Richard Todd

doi:10.2478/v10187-011-0047-y

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Indentation Load-Size Effect in Al2O3 — SIC Nanocomposites

Journal of Electrical Engineering

Volume 61 (2010): Issue 5 (September 2010)

By: Erika CsehovAaA, Jana AndrejovskAaA, Apichart Limpichaipanit, Ján Dusza and Richard Todd

Open Access

|Jun 2011

Abstract

The indentation load-size effect (ISE) in Vickers hardness of Al₂O₃ and Al₂O₃ + SiC nanocomposites has been investigated and analysed using Meyer law, proportional specimen resistance (PSR) model and modified proportional specimen resistance (MPSR) model. The strongest ISE was found for alumina. Both the PSR and MPSR models described the ISE well, but the MPSR model resulted in slightly lower true hardness values for all materials investigated. No evidence of the effect of machining stresses on the ISE has been found.

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Articles in this issue

DOI: https://doi.org/10.2478/v10187-011-0047-y | Journal eISSN: 1339-309X | Journal ISSN: 1335-3632

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Language: English

Page range: 305 - 307

Published on: Jun 7, 2011

Published by: Slovak University of Technology in Bratislava

In partnership with: Paradigm Publishing Services

Publication frequency: 6 issues per year

Keywords:

Al₂_O3,

SiC,

hardness,

indentation load-size effect

Related subjects:

Engineering,

Introductions and overviews,

Engineering, other

© 2011 Erika CsehovAaA, Jana AndrejovskAaA, Apichart Limpichaipanit, Ján Dusza, Richard Todd, published by Slovak University of Technology in Bratislava
This work is licensed under the Creative Commons License.

Volume 61 (2010): Issue 5 (September 2010)