Oxide Coatings on Al/SiC Composite Formed by Plasma-Electrochemical Method

V. S. Rudnev^a, S. A. Karimova^a,b, T. P. Yarovaya^a,  P. M. Nedozorov^a, and Yu. A. Abuzin^a,b

^a Institute of Chemistry, Far East Branch, Russian Academy of Sciences,
pr. 100 let Vladivostoka 159, Vladivostok, 690022 Russia

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^b All-Russian Scientific Research Institute of Aviation Materials, ul. Radio 17, Moscow, 105005 Russia

Received April 10, 2008

Abstract — The processes of film growth and characteristics of film formation in an aqueous phosphate–borate or borate electrolyte are studied. After 2 h, films with thicknesses of 30–40 m and surface microhardnesses of 9–13 GPa are obtained. The elemental and phase compositions of the films and their corrosion resistance estimated using thes drop technique are discussed.

PACS numbers: 82.45.Cc