Preparation of biocomposites based on nanoscale hydroxyapatite with zirconium and silicon oxides
E.A. Bogdanova, V.M. Skachkov, I.M. Giniyatullin, D.I. Pereverzev, K.V. Nefedova
Institute of Solid State Chemistry of the Ural Branch of RAS
Abstract: The article discusses the possibility of obtaining a hardened composite material with a porous structure based on nanostructured hydroxyapatite (HAP) synthesized by precipitation from a solution. The new material was obtained by the mechanochemical synthesis of HAP with reinforcing additives of zirconium dioxide and silicic acid. The synthesized samples are certified using modern physico- chemical methods of analysis. The influence of the qualitative and quantitative composition of the composite on the sintering processes, porosity, strength characteristics, the degree of dispersion and morphology of the studied samples is shown. It has been experimentally established that the sample has the maximum strength characteristics and a constant composition of Ca10(PO4)6(OH)2–15%SiO2·nH2O–5%ZrO2. The composite material has a dense uniform structure with a high degree of crystallinity, with a developed porosity, is a promising material for further research in order to introduce it into medical practice. A patent application has been filed for the developed composite material.
Keywords: hydroxyapatite, zirconium oxide, silicon oxide, composite biomaterials, crystallinity, microhardness
- Ekaterina A. Bogdanova – Ph. D., Senior Researcher, Laboratories of heterogeneous processes chemistry, Institute of Solid State Chemistry of the Ural Branch of RAS
- Vladimir M. Skachkov – Ph. D., Senior Researcher, Laboratories of heterogeneous processes chemistry, Institute of Solid State Chemistry of the Ural Branch of RAS
- Igor M. Giniyatullin – Engineer, Laboratory of rare earth element compounds chemistry, Institute of Solid State Chemistry of the Ural Branch of RAS
- Danil I. Pereverzev – Engineer, Laboratory of rare earth element compounds chemistry, Institute of Solid State Chemistry of the Ural Branch of RAS
- Ksenia V. Nefedova – Researcher, Laboratory of promising and functional materials for CCS, Institute of Solid State Chemistry of the Ural Branch of RAS
Bogdanova, E.A. Preparation of biocomposites based on nanoscale hydroxyapatite with zirconium and silicon oxides / E.A. Bogdanova, V.M. Skachkov, I.M. Giniyatullin, D.I. Pereverzev, K.V. Nefedova // Physical and chemical aspects of the study of clusters, nanostructures and nanomaterials. – Tver: TSU, 2021. — I. 13. — P. 655-663. DOI: 10.26456/pcascnn/2021.13.655. (In Russian).
Full article (in Russian): download PDF file
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