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On the Size Effects in Indentation Testing of Elastic Functionally-graded Materials
Malmö University, Faculty of Technology and Society (TS), Department of Materials Science and Applied Mathematics (MTM).ORCID iD: 0000-0003-4054-3854
2019 (English)In: New Achievements in Continuum Mechanics and Thermodynamics: A Tribute to Wolfgang H. Müller / [ed] Bilen Emek Abali, Holm Altenbach, Francesco dell'Isola, Victor A. Eremeyev, Andreas Öchsner, Springer, 2019, p. 17-28Chapter in book (Refereed)
Abstract [en]

The size effect in the small-scale indentation testing is studied for a functionally-graded material (FGM) whose shear elastic modulus varies according to the exponential law. Under the simplifying assumption of zero Poisson’s ratio, the asymptotic model of the indentation stiffness for an axisymmetric frictionless indenter is developed in the case when the contact radius is small compared to the inhomogeneity characteristic size. The so-called sample size effect is considered on the example of a simply supported FGM plate indented at the center of its top surface. A certain range of applicability of the first-order asymptotic models has been established by comparison with the approximate analytical solution available in the literature.

Place, publisher, year, edition, pages
Springer, 2019. p. 17-28
Series
Advanced Structured Materials, ISSN 1869-8433, E-ISSN 1869-8441
National Category
Applied Mechanics
Identifiers
URN: urn:nbn:se:mau:diva-64554DOI: 10.1007/978-3-030-13307-8_2Scopus ID: 2-s2.0-85063730308ISBN: 978-3-030-13306-1 (print)ISBN: 978-3-030-13309-2 (print)ISBN: 978-3-030-13307-8 (electronic)OAI: oai:DiVA.org:mau-64554DiVA, id: diva2:1820642
Available from: 2023-12-18 Created: 2023-12-18 Last updated: 2023-12-18Bibliographically approved

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Argatov, Ivan

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