Phase formation in a calcium phosphate coating growing on a zirconium substrate with an oxide layer

Mathematical Models and Computer Simulations - Tập 9 - Trang 613-622 - 2017
N. N. Nazarenko1, A. G. Knyazeva1,2
1Institute of Strength Physics and Materials Science, Siberian Branch, Russian Academy of Sciences, Tomsk, Russia
2National Research Tomsk Polytechnic University, Tomsk, Russia

Tóm tắt

A model of the growth of a calcium phosphate coating on a zirconium substrate with respect to the formed oxide sublayer and formation of phases is proposed. The influence of the parameters of the model on the growth of the coating and the evolution of the stresses in the oxide layer and in the coating is investigated. It is shown that the content of the substances formed in the coating increases with the increasing constants of the reaction rates, increasing diffusion coefficients, or with a decreasing voltage of the process. It is shown that the stresses in the vicinity of the interface (the substrateoxide layer) are higher when there is an oxide layer than in its absence.

Tài liệu tham khảo

Yu. P. Sharkeev, S. G. Psakhe, E. V. Legostaeva, A. G. Kniazeva, et al., Biocomposites Based on Calcium Phosphate Coatings, Nanostructural and Ultrafine Grained Bioinert Metalls, their Biological Compatibility and Biological Degradation (Tomsk. Gos. Univ., Tomsk, 2014) [in Russian]. M. S. Ivanova and M. A. Pirozhkova, “Perspectives in practical application of circonium alloys in orthopedic stomatology,” Ross. Stomatol. Zh., No. 3, 40–44 (2008). S. M. Barinov and V. S. Komlev, Calcium Phosphate Bioceramics Based (Nauka, Moscow, 2005) [in Russian]. S. Dorozhkin, Calcium Orthophosphates: Applications in Nature. Biology and Medicine (Pan Stanford, Singapore, 2012). I. V. Suminov et al., Microarc Oxidation (Ekomet, Moscow, 2005) [in Russian]. N. N. Nazarenko and A. G. Kniazeva, “Estimation of stresses in the growing coating,” Fiz. Mezomekh. 14 (5), 71–77 (2011). N. N. Nazarenko and A. G. Kniazeva, “Model of calcium phosphate coating growth on flat substrate with considering structure formation,” Izv. Vyssh. Uchebn. Zaved., Fiz. 56 (12/3), 33–37 (2013). Iu. P. Sharkeev, E. V. Legostaeva, I. A. Khlusov, K. S. Kuliashova, and E. G. Komarova, “Physicochemical and biological properties of microarc calcium-phosphate coatings on Ti and Zr,” Fiz. Khim. Obrab. Mater., No. 2, 18–25 (2012). F. Daniels and R. Alberty, Physical Chemistry (New York, London, 1955). N. N. Nazarenko and A. G. Kniazeva, “Modeling processes in electrolytic tank under deposition calcium-phosphate surfaces on titanium plate by microarc method,” Mat. Model. 21 (1), 92–110 (2009). N. N. Nazarenko and A. G. Kniazeva, “A theoretical study of physicochemical processes occurring in an electrolytic bath during the deposition of calcium phosphate coatings by microarc oxidation,” Russ. J. Phys. Chem. B 2, 732–739 (2008).