BINARY SYSTEM OF CaO-P2O5 AS A BASIS OF MATERIALS FOR CORELATION OF SHELLET DISCHARGE

Authors

Abstract

The prospects for the use of synthetic nanocrystalline materials of a multivariate composition based on the system СаОP2О5Н2О and additives for correcting structural defects of the skeleton are considered. It is shown that for the synthesis of nanocrystalline powders and composites of biomedical use, materials whose compositions are described by the system СаОP2О5 are promising. The system of СаОP2О5 wаs studied. The experimental verification of the polymorphism   of Ca3(PO4)2 is carried out.The experimental verification of the calculated data on the preparations of the calculated compositions by the high-temperature microscopy method is performed. Based on the studies carried out in the CaO-P2O5 system, areas promising for the synthesis of materials have been identified that can be used for their technical and biological properties: 1) to correct bone tissue defects; 2) as inorganic fillers of hybrid organo-inorganic composite materials intended for the restoration of articular cartilage; 3) for gluing bone fragments and filling cavities of pathological origin; 4) to replenish the mineral composition of bones and tooth enamel.Keywords: synthetic nanocrystalline materials; phase diagram; the CaO-P2O5 system; the kinetics of formation; high temperature microscopy; correction of skeletal disorders.

Author Biography

, NTU “KhPI”

кандидат технічних наук, доцент

References

Література

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Hench, L. L. (2002) Third-Generation Biomedical Mate-rials. Science, 295 (5), 1014-1017, doi: 10, 1126 / science, 1067404.

Logeart-Аvramoglou, D., Anagnoston, F., Bizios, R., Petite, H. (2005) Engineering bone: Challengez and abstracles. J. Cell. Mol. Med., 9, 72-84.

Stock, V. A., Vacanti, J. P. (2001) Tissue engineering: Current state and prospects. Annu Rev. Med., 52, 443-451. doi: 10,1146 annurev.med.52.1.443.

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Lutsyk.V.I., Vorob'eva, V.P. (2010) Computer models of eutectic type Т-x-y diagrams with allotropy. Two inner liquidus fields of two low-temperature modification of the same component. J. Thermal Analysis and Calorimetry, 101(1), 25 – 31.

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Bassett, H. (1968) Thermodynamic calculation on for selected phases in the system CaO-P2O5-H2O. Journ. Chem. Soc., 7, 2949-2953.

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Robie, R.A. and all. (1978) Thermodynamic Propertites of Minerals and Related Substances at 298.15 K and 1 Bar (105 Pascals) Pressuze and Higher Temperatures. Washington: US Government printy office, 456.

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Hudson, P., Jung, In-Ho. (2014) Critical Evaluation and Thermo- dynamic Optimization of the CaО – P2O5 System. Metallurgical and Materials Transactions B., 46(1), 494-522.

Riboud, P. V. (1973) Composition and stability of apatites in the system CaО–P2O5–iron oxide–H2O at high temperature. Ann. Chin, 8, 381 – 390.

Published

2018-03-29

How to Cite

(2018). BINARY SYSTEM OF CaO-P2O5 AS A BASIS OF MATERIALS FOR CORELATION OF SHELLET DISCHARGE. Municipal Economy of Cities, (140), 104–108. Retrieved from https://khg.kname.edu.ua/index.php/khg/article/view/5151