Preparation and compressive strength of calcium phosphate based cement dispersed with polycrystalline ceria doped tetragonal zirconia

Y. Fujishiro; Y. Mizutani; S. Uchida; T. Sato

doi:10.1179/096797899680354

Preparation and compressive strength of calcium phosphate based cement dispersed with polycrystalline ceria doped tetragonal zirconia

Y. Fujishiro, Y. Mizutani, S. Uchida, T. Sato

Center for Exploration of New Inorganic Materials

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

The preparation and strength of a calcium phosphate based cement with and without dispersed particles of polycrystalline 12 mol-%CeO₂ doped tetragonal zirconia (12Ce-TZP) were investigated. A cement mixture of α-tricalcium phosphate (α-Ca₃(PO₄)₂) and tetracalcium phosphate (Ca₄(PO₄)₂O) with a Ca/P ratio of 1·67 transformed completely to hydroxyapatite after curing under water for 7 d at 38 °C. The compressive strength of a cement without dispersed 12Ce-TZP particles cured for 4 d at 38 °C was approximately 11·1 MPa but increased to approximately 16 MPa by dispersing 3 wt-%12Ce-TZP particles, of average diameter 40 μm, which were treated in 10 M NaOH and/or 0·01 M Ca₅(PO₄)₂ gel solutions prior to dispersion.

Original language	English
Pages (from-to)	141-145
Number of pages	5
Journal	British Ceramic Transactions
Volume	98
Issue number	3
DOIs	https://doi.org/10.1179/096797899680354
Publication status	Published - 1999 Jan 1

ASJC Scopus subject areas

Ceramics and Composites

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title = "Preparation and compressive strength of calcium phosphate based cement dispersed with polycrystalline ceria doped tetragonal zirconia",

abstract = "The preparation and strength of a calcium phosphate based cement with and without dispersed particles of polycrystalline 12 mol-%CeO2 doped tetragonal zirconia (12Ce-TZP) were investigated. A cement mixture of α-tricalcium phosphate (α-Ca3(PO4)2) and tetracalcium phosphate (Ca4(PO4)2O) with a Ca/P ratio of 1·67 transformed completely to hydroxyapatite after curing under water for 7 d at 38 °C. The compressive strength of a cement without dispersed 12Ce-TZP particles cured for 4 d at 38 °C was approximately 11·1 MPa but increased to approximately 16 MPa by dispersing 3 wt-%12Ce-TZP particles, of average diameter 40 μm, which were treated in 10 M NaOH and/or 0·01 M Ca5(PO4)2 gel solutions prior to dispersion.",

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T1 - Preparation and compressive strength of calcium phosphate based cement dispersed with polycrystalline ceria doped tetragonal zirconia

AU - Fujishiro, Y.

AU - Mizutani, Y.

AU - Uchida, S.

AU - Sato, T.

PY - 1999/1/1

Y1 - 1999/1/1

N2 - The preparation and strength of a calcium phosphate based cement with and without dispersed particles of polycrystalline 12 mol-%CeO2 doped tetragonal zirconia (12Ce-TZP) were investigated. A cement mixture of α-tricalcium phosphate (α-Ca3(PO4)2) and tetracalcium phosphate (Ca4(PO4)2O) with a Ca/P ratio of 1·67 transformed completely to hydroxyapatite after curing under water for 7 d at 38 °C. The compressive strength of a cement without dispersed 12Ce-TZP particles cured for 4 d at 38 °C was approximately 11·1 MPa but increased to approximately 16 MPa by dispersing 3 wt-%12Ce-TZP particles, of average diameter 40 μm, which were treated in 10 M NaOH and/or 0·01 M Ca5(PO4)2 gel solutions prior to dispersion.

AB - The preparation and strength of a calcium phosphate based cement with and without dispersed particles of polycrystalline 12 mol-%CeO2 doped tetragonal zirconia (12Ce-TZP) were investigated. A cement mixture of α-tricalcium phosphate (α-Ca3(PO4)2) and tetracalcium phosphate (Ca4(PO4)2O) with a Ca/P ratio of 1·67 transformed completely to hydroxyapatite after curing under water for 7 d at 38 °C. The compressive strength of a cement without dispersed 12Ce-TZP particles cured for 4 d at 38 °C was approximately 11·1 MPa but increased to approximately 16 MPa by dispersing 3 wt-%12Ce-TZP particles, of average diameter 40 μm, which were treated in 10 M NaOH and/or 0·01 M Ca5(PO4)2 gel solutions prior to dispersion.

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