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Size and plasticity effects in zirconia micropillars compression

Author
Camposilvan, E.; Anglada, M.
Type of activity
Journal article
Journal
Acta materialia
Date of publication
2016-01-15
Volume
103
First page
882
Last page
892
DOI
https://doi.org/10.1016/j.actamat.2015.10.047 Open in new window
Project funding
Nuevos materiales nanocompuestos de circona con mayor tenacidad de fractura y resistencia a la degradación hidrotérmica
Repository
http://hdl.handle.net/2117/82834 Open in new window
URL
http://www.sciencedirect.com/science/article/pii/S1359645415300471 Open in new window
Abstract
The micropillar compression technique has shown the potential for activating the brittle-to-ductile transition in ceramic monocrystals when testing reduced volumes. In this work, the role of size is studied by comparing the mechanical response of polycrystalline tetragonal zirconia micropillars and macroscopic specimens under compression. In micropillars, the absence of the natural defect population typical of bulk zirconia increases considerably the strength, allowing the activation of plastic ...
Citation
Camposilvan, E., Anglada, M. Size and plasticity effects in zirconia micropillars compression. "Acta materialia", 15 Gener 2016, vol. 103, p. 882-892.
Keywords
Micro-pillar, Phase transformation, Size effect, Transformation-induced plasticity, Zirconia
Group of research
CIEFMA - Structural Integrity, Micromechanics and Materials Reliability Centre
CRnE - Barcelona Research Center in Multiscale Science and Engineering

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