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JOURNALS // Matematicheskoe modelirovanie // Archive

Matem. Mod., 2017 Volume 29, Number 2, Pages 79–90 (Mi mm3816)

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

N. N. Nazarenkoa, A. G. Knyazevaba

a Institute of Strength Physics and Materials Science, Siberian Branch of the Russian Academy of Sciences
b National Research Tomsk Polytechnic University

Abstract: A model of the growth of calcium phosphate coating is suggested on a substrate of zirconium with a glance oxide formed based sublayer and forming phases. The influence of the parameters of the model on the coating growth and stress evolution in the oxide layer and in the coating was investigated. It was shown that the content of substances forming in the coating increases with increasing of the reaction rate constants and diffusion coefficients, or due to decrease of the voltage of the process. It is shown that the stresses in the vicinity of the interface (substrate / oxide layer) is greater in the presence of an oxide layer than without it.

Keywords: calcium phosphate coating, oxide layer, microarc oxidation, mechanical stresses.

Received: 17.02.2016


 English version:
Mathematical Models and Computer Simulations, 2017, 9:5, 613–622

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© Steklov Math. Inst. of RAS, 2024