Effect of fluorapatite additive on the mechanical properties of tricalcium phosphate-zirconia composites

The effect of fluorapatite addition on the mechanical properties of tricalcium phosphate – 50 wt% zirconia composites was investigated during the sintering process. The Brazilian test was used to measure the mechanical resistance of bioceramics. The mechanical properties of composites increase with...

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Bibliographic Details
Published in:IOP conference series. Materials Science and Engineering 2012-01, Vol.28 (1), p.12029-8
Main Authors: Sallemi, I, Ayed, F Ben, Bouaziz, J
Format: Article
Language:English
Subjects:
Additives
Bioceramics
Brazil
Calcium phosphate
Calcium phosphates
Composite materials
Densification
Fluorapatite
Mechanical properties
NMR
Nuclear magnetic resonance
Phosphates
Sintering
Zirconium dioxide
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Summary:The effect of fluorapatite addition on the mechanical properties of tricalcium phosphate – 50 wt% zirconia composites was investigated during the sintering process. The Brazilian test was used to measure the mechanical resistance of bioceramics. The mechanical properties of composites increase with the sintering temperature and with fluorapatite additive. At 1400°C, the fluorapatite additive ameliorates the densification and the mechanical resistance of tricalcium phosphate – 50 wt% zirconia composites. The 31P magic angle spinning nuclear magnetic resonance analysis of tricalcium phosphate – zirconia composites sintered with fluorapatite additives reveals the presence of tetrahedral P sites.
ISSN:1757-899X
1757-8981
1757-899X
DOI:10.1088/1757-899X/28/1/012029