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Physicochemical Properties of Steel Surfaces with Titanium Nitride Ion-Plasma Sprayed Coating A. I. |
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24.11.2008 г. |
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Physicochemical Properties of Steel Surfaces with Titanium Nitride Ion-Plasma Sprayed Coating A. I. Kostrzhitskii, T. V. Cheban, and R. A. Podolyan Odessa National Academy of Food Technologies, ul. Kanatnaya 112, Odessa, 65039 Ukraine E-mail:
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Received November 14, 2006 Abstract — In nutral media, the regularities of the electrochemical corrosion of a steel, that had been sprayed by ionic plasma with titanium nitride, are studied. It is shown that the coating porosity is the principal factor determining its protective properties. Quantitative data on the effect of operation conditions on the coating porosity and corrosion-electrochemical behavior in liquids are given. Empirical formulas describing the kinetics of increasing the number of corrosion craters are obtained. Guidelines concerning the using of the ionplasma coatings in the protecting of lean alloy steels against corrosion are formulated. PACS numbers: 81.65.Kn DOI: 10.1134/S003317320806012X
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