Prevention of Low-Temperature Surface Transformation by Surface Recrystallization in Yttria-Doped Tetragonal Zirconia

The low‐temperature (100° to 400°C) tetragonal to monoclinic transformation in yttria‐doped tetragonal zirconia (Y‐TZP) can be inhibited by a postsintering grinding and annealing treatment. The surface region so treated contains fine tetragonal grains which have recrystallized from the severely dama...

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Veröffentlicht in:	J. Am. Ceram. Soc.; (United States) 1989-02, Vol.72 (2), p.319-321
Hauptverfasser:	Whalen, Philip J., Reidinger, Franz, Antrim, Robert F.
Format:	Artikel
Sprache:	eng
Schlagworte:	360202 - Ceramics, Cermets, & Refractories- Structure & Phase Studies ALLOYS ANNEALING Applied sciences Building materials. Ceramics. Glasses Ceramic industries CHALCOGENIDES Chemical industry and chemicals CRYSTAL DOPING CRYSTAL LATTICES CRYSTAL STRUCTURE Exact sciences and technology FABRICATION HEAT TREATMENTS LOW TEMPERATURE MATERIALS SCIENCE OXIDES OXYGEN COMPOUNDS phase transformation PHASE TRANSFORMATIONS recrystallization SINTERING surface Technical ceramics TETRAGONAL LATTICES toughness TRANSITION ELEMENT COMPOUNDS YTTRIUM ADDITIONS YTTRIUM ALLOYS zirconia ZIRCONIUM COMPOUNDS ZIRCONIUM OXIDES
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Beschreibung
Zusammenfassung:	The low‐temperature (100° to 400°C) tetragonal to monoclinic transformation in yttria‐doped tetragonal zirconia (Y‐TZP) can be inhibited by a postsintering grinding and annealing treatment. The surface region so treated contains fine tetragonal grains which have recrystallized from the severely damaged ground surface. The various features of the recrystallized surface that may affect the lowtemperature transformation are analyzed.
ISSN:	0002-7820 1551-2916
DOI:	10.1111/j.1151-2916.1989.tb06124.x