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Plastic zone size at sharp indentation contact of classical elastic-plastic materials: Behavior at linear strain hardening
KTH, School of Engineering Sciences (SCI), Solid Mechanics (Dept.).ORCID iD: 0000-0001-6232-8819
KTH, School of Engineering Sciences (SCI), Solid Mechanics (Dept.).
2017 (English)In: Journal of Testing and Evaluation, ISSN 0090-3973, E-ISSN 1945-7553, Vol. 45, no 5Article in journal (Refereed) Published
Abstract [en]

The present analysis concerns a finite-element study of sharp (cone) indentation of classical elastic-plastic materials with linear strain hardening and, especially, the details of the behavior of the size of the plastic zone are at issue. It is shown that the plastic zone size parameters are dependent on two parameters: the well-known Johnson parameter and the level of plastic hardening. This dependence includes both geometrical and material properties. The details of the influence from the hardening level have not been explicitly studied previously. The results are compared with previous findings for elastic-ideally plastic materials.

Place, publisher, year, edition, pages
ASTM International , 2017. Vol. 45, no 5
Keywords [en]
Correlation, Hardness, Indentation testing, Plastic zone, Correlation methods, Finite element method, Hardening, Plastics, Strain hardening, Thermoelectricity, Elastic ideally plastic materials, Elastic-plastic Material, Finite-element study, Plastic hardening, Plastic zone size, Plastic zones, Sharp indentation, Elastoplasticity
National Category
Applied Mechanics
Identifiers
URN: urn:nbn:se:kth:diva-216562DOI: 10.1520/JTE20160140ISI: 000419815300033Scopus ID: 2-s2.0-85029157162OAI: oai:DiVA.org:kth-216562DiVA, id: diva2:1155653
Note

QC 20171108

Available from: 2017-11-08 Created: 2017-11-08 Last updated: 2018-01-29Bibliographically approved

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Larsson, Per-Lennart

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