Nanoceramics Composite Biomaterials in the Calcium Carbonate-Hydroxyapatite System

Margarita Goldberg; Valeriy Smirnov; Sergey Kucev; Natalia Sergeeva; Irina Sviridova; Valentina Kirsanova; Syraia Akhmedova; Sergey Barinov

doi:10.4028/www.scientific.net/AMR.123-125.339

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 123-125Nanoceramics Composite Biomaterials in the Calcium...

Nanoceramics Composite Biomaterials in the Calcium Carbonate-Hydroxyapatite System

Abstract:

Composite powders in the calcium carbonate (CC) – hydroxyapatite (HA) system with carbonate content up to 50 wt. % were synthesized by the precipitation from aqueous solution and characterized in detail. Specific area of the powders decreases with an increase in carbonate content due to appearance of large elongated CC crystals of about 0,5 micrometer size. The use of highly active to sintering nanodisperse powders resulted in lowering of sintering temperature below 7200C, preventing thermal decomposition. Ceramics of about 20 wt.% carbonate content revealed the highest strength of about 77 MPa, having the grain size of about 100 nm. According to in vitro testing, the materials are non toxic for human fibroblast cells.

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Periodical:

Advanced Materials Research (Volumes 123-125)

Pages:

339-342

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.123-125.339

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Online since:

August 2010

Authors:

Margarita Goldberg, Valeriy Smirnov, Sergey Kucev, Natalia Sergeeva, Irina Sviridova, Valentina Kirsanova, Syraia Akhmedova, Sergey Barinov

Keywords:

Bio Material, Calcium Carbonate, Hydroxyapatite (HAP)

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