Microstructure and mechanical properties of sintered enamel hydroxyapatite

The influence of sintering temperature on the microstructure and the mechanical properties (i.e. compressive strength and microhardness) of samples of calcinated human enamel was investigated. The experimental results indicate a low densification regime after sintering at low temperatures (1000 °C,...

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Bibliographic Details
Published in:Ceramics international 2007-01, Vol.33 (7), p.1309-1314
Main Author: Oktar, F.N.
Format: Article
Language:English
Subjects:
A. Sintering
Applied sciences
Biological and medical sciences
Building materials. Ceramics. Glasses
C. Mechanical properties
Ceramic industries
Chemical industry and chemicals
Enamel
Exact sciences and technology
Fluorine
Hydroxyapatite
Medical sciences
Miscellaneous
Radiotherapy. Instrumental treatment. Physiotherapy. Reeducation. Rehabilitation, orthophony, crenotherapy. Diet therapy and various other treatments (general aspects)
Technical ceramics
Technology. Biomaterials. Equipments. Material. Instrumentation
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Summary:The influence of sintering temperature on the microstructure and the mechanical properties (i.e. compressive strength and microhardness) of samples of calcinated human enamel was investigated. The experimental results indicate a low densification regime after sintering at low temperatures (1000 °C, 1100 °C) and a high densification regime after sintering at higher temperatures (1200 °C, 1300 °C). With respect to earlier studies, high mechanical properties were achieved. The enhancement of mechanical properties was attributed to the presence of fluorine traces in enamel.
ISSN:0272-8842
1873-3956
DOI:10.1016/j.ceramint.2006.05.022