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Defect-free zirconia-based materials for orthopaedic implants

TitleDefect-free zirconia-based materials for orthopaedic implants
Publication TypeArticolo su Rivista peer-reviewed
Year of Publication2005
AuthorsMagnani, G., and Beaulardi L.
JournalMaterials Forum
Volume29
Pagination157-160
ISSN08832900
KeywordsAlumina, Bending strength, Chromia, Chromium compounds, Fracture toughness, hardness, Implants (surgical), Monoclinic phase, Orthopaedic implants, Sintering, Weibull distribution, Zirconia, Zirconia-toughned alumina (ZTA)
Abstract

Samples of zirconia-toughened alumina (ZTA) with small amounts of chromia were prepared and processed under different conditions. Mechanical properties like hardness, fracture toughness and flexural strength were determined as a function of different parameters. As example, fracture toughness was increased by the chromia addition, whereas post-hipped samples showed a lower fracture toughness due to the formation of monoclinic phase. In addition, Weibull modulus determination was used to put in evidence that ZTA sintered components were defect-free and highly reliable. © Institute of Materials Engineering Australasia Ltd.

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URLhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-23944509704&partnerID=40&md5=0bf60b3246ded1d418b92bcd38d724c1
Citation KeyMagnani2005157