Plasma-Electrolytic Oxidation of Valve Metals in Zr(IV)-Containing Electrolytes

被引:7
作者
Rudnev, V. S. [1 ]
Yarovaya, T. P. [1 ]
Kilin, K. N. [1 ]
Malyshev, I. V. [1 ]
机构
[1] Russian Acad Sci, Far E Branch, Inst Chem, Vladivostok 690022, Russia
基金
俄罗斯基础研究基金会;
关键词
CONTAINING ANODIC FILMS; CERAMIC COATINGS; ZIRCONIUM-OXIDE; LAYERS; MAGNESIUM; ALUMINUM; DEPOSITION; TITANIUM; TI;
D O I
10.1134/S2070205110040118
中图分类号
TF [冶金工业];
学科分类号
0806 ;
摘要
The studies devoted to the production of Zr-containing coatings on valve metals (Ti, Al, and Mg) using plasma-electrolytic oxidation are reviewed. The coatings are formed from aqueous electrolyte suspensions containing dispersed ZrO2 particles, as well as Zr(IV) fluorocomplexes, polyphosphate, and tartrate complexes, and from Zr(SO4)(2) electrolytes. The layers that contain both zirconium oxide in either monoclinic or tetragonal modification and zirconium pyrophosphate and layers containing simple and complex zirconium phosphates are obtained. The described approaches enable one to produce protective layers and can form the basis of the technique for obtaining surface structures with a complex chemical composition, as well as coatings that contain certain compounds with specific characteristics.
引用
收藏
页码:456 / 462
页数:7
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