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Hydrothermal aging behaviour of nanocrystalline Y-TZP ceramics

journal contribution
posted on 2015-06-26, 14:05 authored by Anish Paul, Vaidhy VaidhyanathanVaidhy Vaidhyanathan, J.G.P. Binner
The influence of grain size and yttria content on the hydrothermal aging behavior of yttria-stabilized zirconia ceramics has been investigated via the preparation of genuine, fully dense nanozirconia ceramics with <100 nm grain size by two-step sintering. The samples were aged at different temperatures for varying periods of time and XRD and micro-Raman spectroscopy have been used to monitor the aging process while the hardness of the samples was used as a measure of the deterioration in the physical properties. The results were compared with those of a commercial submicrometer 3YSZ zirconia sample subjected to the same aging treatment and characterization. Nano3YSZ with <100 nm grain size did not exhibit degradation, whereas the submicrometer 3YSZ samples underwent severe degradation.

Funding

This work was funded by the EPSRC and TSB of the United Kingdom (Grant TS/G000891/1).

History

School

  • Aeronautical, Automotive, Chemical and Materials Engineering

Department

  • Materials

Published in

Journal of American Ceramics Society

Citation

PAUL, A., VAIDHYANATHAN, B. and BINNER, J.G.P., 2011. Hydrothermal aging behaviour of nanocrystalline Y-TZP ceramics. Journal of the American Ceramics Society, 94 (7), pp. 2146-2152.

Publisher

Wiley / © The American Ceramic Society

Version

  • VoR (Version of Record)

Publisher statement

This work is made available according to the conditions of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) licence. Full details of this licence are available at: https://creativecommons.org/licenses/by-nc-nd/4.0/

Publication date

2011

Notes

This article is closed access.

ISSN

0002-7820

Language

  • en

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