Zirconium oxide is one of the most promising ceramic materials as it finds applications in several high-level technological fields, ranging from biomedicine to sensing. Zirconium oxide is characterized by showing very uncommon properties for being a ceramic substrate, such as a certain plastic behavior once subjected to mechanical stress, a naturally occurring phase transformation toughening, as well as a dramatic sensibility toward water-induced aging (if hydrothermally treated). In general, all these properties are strictly correlated with the tetragonal-to-monoclinic interphase transformation and, consequently, driven by the stabilization of the tetragonal phase. Hence, in this study, a summary of the main relevant principles guiding zirconium oxide interphase transformations is proposed, highlighting the important role of stabilizers and the correlation between microstructure and doping. A particular emphasis has been dedicated to the thermodynamics behind these phenomena.

Nisticò, R. (2021). Zirconium oxide and the crystallinity hallows. JOURNAL OF THE AUSTRALIAN CERAMIC SOCIETY, 57(1), 225-236 [10.1007/s41779-020-00529-2].

Zirconium oxide and the crystallinity hallows

Nisticò, Roberto
Primo
2021

Abstract

Zirconium oxide is one of the most promising ceramic materials as it finds applications in several high-level technological fields, ranging from biomedicine to sensing. Zirconium oxide is characterized by showing very uncommon properties for being a ceramic substrate, such as a certain plastic behavior once subjected to mechanical stress, a naturally occurring phase transformation toughening, as well as a dramatic sensibility toward water-induced aging (if hydrothermally treated). In general, all these properties are strictly correlated with the tetragonal-to-monoclinic interphase transformation and, consequently, driven by the stabilization of the tetragonal phase. Hence, in this study, a summary of the main relevant principles guiding zirconium oxide interphase transformations is proposed, highlighting the important role of stabilizers and the correlation between microstructure and doping. A particular emphasis has been dedicated to the thermodynamics behind these phenomena.
Articolo in rivista - Articolo scientifico
Aging; Ceramic materials; Doping; Microstructures; Phase transformation toughening; Zirconia;
English
225
236
12
Nisticò, R. (2021). Zirconium oxide and the crystallinity hallows. JOURNAL OF THE AUSTRALIAN CERAMIC SOCIETY, 57(1), 225-236 [10.1007/s41779-020-00529-2].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/10281/349652
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