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Slow-crack-growth behavior of zirconia-toughened alumina ceramicsprocessed by different methods

AuthorsAza Moya, Antonio H. de CSIC ORCID; Chevalier, Jérôme; Fantozzi, Gilbert; Schehl, Martin Rudolf; Torrecillas, Ramón CSIC ORCID CVN
Issue Date2003
PublisherAmerican Ceramic Society
John Wiley & Sons
CitationJournal of the American Ceramic Society 86(1): 115-120 (2003)
AbstractA study of slow-crack propagation in zirconia-toughened alumina (ZTA) ceramics is presented. Different ZTA composites, using either unstabilized or yttria-stabilized zirconia, have been tested. The materials were prepared in the range 0-15 vol% ZrO2, using two processing methods: powder mixing and a modified colloidal route. Crack propagation tests have been conducted for crack velocities from 10-12 to 10-2 m/s by means of a double-torsion method. The influence of the processing conditions and compositions on the microstructures and the effect of these microstructures on the slow-crack-growth behavior have been studied. The option that these composites may offer in terms of the lifetime of ceramic joint prostheses is discussed.
Publisher version (URL)https://doi.org/10.1111/j.1151-2916.2003.tb03287.x
Identifiersdoi: 10.1111/j.1151-2916.2003.tb03287.x
issn: 0002-7820
Appears in Collections:(ICV) Artículos
(INCAR) Artículos
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