Physical and chemical aspects of the study of clusters, nanostructures and nanomaterials
Founded at 2009

Study of the possibility of obtaining composites based on nanoscale hydroxyapatite reinforced with titanium oxide and calcium fluoride

E.A. Bogdanova1,2, V.M. Skachkov1, K.V. Nefedova1

1 Institute of Solid State Chemistry of the Ural Branch of RAS
2 JSC Giredmet

DOI: 10.26456/pcascnn/2024.16.779

Original article

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 by the mechanochemical synthesis of hydroxyapatite with aluminum, silicon, nickel, hafnium and titanium was obtained. The synthesized samples are certified using modern physical and chemical methods of analysis. The influence of the qualitative and quantitative composition of the composite on the sintering processes and the strength characteristics of the studied samples is shown. It has been experimentally established that the Ca10(PO4)6(OH)2 – 15%CaF2-15%TiOx. system is the most promising for the development of biocomposites based on it. Composite materials of this composition have a dense uniform structure with a high degree of crystallinity, with developed porosity, and are a promising material for further research in order to introduce it into medical practice. The possibility of practical application of the obtained composite material as a component of a bioactive coating is evaluated. A patent application has been filed for the developed composite material.

Keywords: hydroxyapatite, fluorapatite, titanium oxide, calcium fluoride, sintering, composite biomaterials, microhardness, bioactive coating

  • Ekaterina A. Bogdanova – Ph. D., Senior Researcher, Laboratory of heterogeneous processes chemistry, Institute of Solid State Chemistry of the Ural Branch of RAS, Leading Researcher, Laboratory of electrochemical devices for hydrogen energy JSC Giredmet
  • Vladimir M. Skachkov – Ph. D., Senior Researcher, Laboratory of heterogeneous processes chemistry, Institute of Solid State Chemistry of the Ural Branch of RAS
  • Ksenia V. Nefedova – Ph. D., Senior Researcher, Laboratory of promising and functional materials for CCS, Institute of Solid State Chemistry of the Ural Branch of RAS

Reference:

Bogdanova, E.A. Study of the possibility of obtaining composites based on nanoscale hydroxyapatite reinforced with titanium oxide and calcium fluoride / E.A. Bogdanova, V.M. Skachkov, K.V. Nefedova // Physical and chemical aspects of the study of clusters, nanostructures and nanomaterials. — 2024. — I. 16. — P. 779-793. DOI: 10.26456/pcascnn/2024.16.779. (In Russian).

Full article (in Russian): download PDF file

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