Stabilization of phase‐pure tetragonal zirconia ceramics with minimum CeO
                    2
                    doping and associated benefits

Annu Kumar Lakshya; Keshav Kumar Jha; Anirban Chowdhury

doi:10.1111/jace.19997

journal article Open Access Jul 03, 2024

Stabilization of phase‐pure tetragonal zirconia ceramics with minimum CeO 2 doping and associated benefits

Annu Kumar Lakshya

Keshav Kumar Jha

Anirban Chowdhury

Journal of the American Ceramic Society Vol. 107 No. 10 pp. 6791-6805 · Wiley

View at Publisher Save 10.1111/jace.19997

Abstract

Abstract

In the quest of finding the minimum ceria doping for a stabilized zirconia matrix, we report a remarkable structure–property correlation for a high (> 99%) density, fine grained (∼100 nm), fully phase‐pure (confirmed via both slow scan X‐ray diffraction and Raman spectroscopy) tetragonal 10 mol.% CeO
2
‐doped zirconia ceramics (10Ce‐TZP). A starting near spherical, ultrafine (∼7 nm) powders with high surface area (∼170 m
2
/g) ensured the conventional pressureless sintering at 1150°C without the need of any additives, binders, and/or sintering aid to achieve this high density. No monoclinic phase was traced at the end of the low‐temperature degradation test for 100 h in boiling water; negligible (∼5% monoclinic phase) amounts showed up in the thermal quenching tests. The sintered 10Ce‐TZP ceramic recorded comparable/better hardness and indentation toughness value with respect to higher (i.e., 12 mol.%) ceria doped‐zirconia systems. For the first time, nanograined translucent 10Ce‐TZP ceramic portrayed a remarkable transmittance of ∼38% at 600 nm wavelength for 0.6 mm thick pellet.

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Details

Published: Jul 03, 2024
Vol/Issue: 107(10)
Pages: 6791-6805
License: View

Authors

A

Annu Kumar Lakshya

MAPS (Materials’ Process–Structure Correlations) Laboratory Metallurgical and Materials Engineering Indian Institute of Technology Patna, Bihta Patna Bihar India

K

Keshav Kumar Jha

MAPS (Materials’ Process–Structure Correlations) Laboratory Metallurgical and Materials Engineering Indian Institute of Technology Patna, Bihta Patna Bihar India

A

Anirban Chowdhury

MAPS (Materials’ Process–Structure Correlations) Laboratory Metallurgical and Materials Engineering Indian Institute of Technology Patna, Bihta Patna Bihar India

Cite This Article

Annu Kumar Lakshya, Keshav Kumar Jha, Anirban Chowdhury (2024). Stabilization of phase‐pure tetragonal zirconia ceramics with minimum CeO 2 doping and associated benefits. Journal of the American Ceramic Society, 107(10), 6791-6805. https://doi.org/10.1111/jace.19997

Stabilization of phase‐pure tetragonal zirconia ceramics with minimum CeO 2 doping and associated benefits

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