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Modular ceramic bearings on a CFRP total hip replacement femoral stem

Record type: Book Section

The effect of sintering condition, sandblasting and heat treatment on biaxial flexure strengths of the zirconia/ alumina nanocomposite stabilized with cerium oxide (Ce-TZP/Al2O3 nanocomposite, referred to NANOZR) was evaluated in comparison to that of yttria stabilized tetragonal zirconia polycrystals (Y-TZP). The disc-shaped specimens of NANOZR and Y-TZP were cut from the full-sintered or middle-sintered ones. The discs cut from the middle-sintered ones were finally sintered at the same temperature for the full-sintered one. These four kinds of disc were treated in various conditions combined with the sandblasting, the heat treatment, and the storage. The biaxial flexure strength of both middle- and full-sintered Y-TZP decreased with the autoclaving, whereas those of both NANOZR did not change with it. The monoclinic content of both the materials increased with the sandblasting and decreased with the heat treatment. Regardless of the sintering condition, the monoclinic content of the Y-TZP dramatically increased with the autoclaving and those of NANOZR remarkably increased with the sandblasting. Regardless of the different surface roughness, the biaxial flexure strengths of both materials strongly depended on the content of monoclinic ZrO2 on the surface

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Citation

Dickinson, Alexander, Browne, Martin and Taylor, Andrew (2008) Modular ceramic bearings on a CFRP total hip replacement femoral stem In, Daculsi, Guy and Layrolle, Pierre (eds.) Bioceramics 20. Trans Tech pp. 799-802. (Key Engineering Materials, 361-363). (doi:10.4028/www.scientific.net/KEM.361-363.779).

More information

Published date: 2008

Identifiers

Local EPrints ID: 143435
URI: http://eprints.soton.ac.uk/id/eprint/143435
ISBN: 087849457X
PURE UUID: 15280992-b7fe-42a7-8378-f225b756c130
ORCID for Alexander Dickinson: ORCID iD orcid.org/0000-0002-9647-1944
ORCID for Martin Browne: ORCID iD orcid.org/0000-0001-5184-050X

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Date deposited: 12 Apr 2010 09:05
Last modified: 18 Jul 2017 23:10

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Contributors

Author: Martin Browne ORCID iD
Author: Andrew Taylor
Editor: Guy Daculsi
Editor: Pierre Layrolle

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