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27-11-2018 | Ceramics

Mechanical strength of cold-sintered zinc oxide under biaxial bending

Authors: Sarah Lowum, Richard Floyd, Raul Bermejo, Jon-Paul Maria

Published in: Journal of Materials Science | Issue 6/2019

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Abstract

Zinc oxide is densified to 97% by the cold sintering process using an aqueous zinc acetate solution as the secondary transport phase. The mechanical response of the cold-sintered zinc oxide ceramics is investigated through the ball-on-three-balls biaxial bending technique. The analysis demonstrates that ZnO cold-sintered samples follow a Weibull distribution with a characteristic strength (σ0 ~ 65 MPa) and Weibull modulus (m ~ 8). Phase purity and residual secondary phases were analyzed via X-ray diffraction and Raman spectroscopy. This report provides an initial demonstration of the mechanical properties of cold-sintered parts in the as-pressed and unmodified state and serves for comparison with conventionally prepared ceramics.

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Metadata
Title
Mechanical strength of cold-sintered zinc oxide under biaxial bending
Authors
Sarah Lowum
Richard Floyd
Raul Bermejo
Jon-Paul Maria
Publication date
27-11-2018
Publisher
Springer US
Published in
Journal of Materials Science / Issue 6/2019
Print ISSN: 0022-2461
Electronic ISSN: 1573-4803
DOI
https://doi.org/10.1007/s10853-018-3173-8

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