Functional mixed cobalt and aluminum oxide coatings for environmental safety
Вантажиться...
Дата
2017
ORCID
DOI
10.15407/fm24.02.303
Науковий ступінь
Рівень дисертації
Шифр та назва спеціальності
Рада захисту
Установа захисту
Науковий керівник
Члени комітету
Видавець
Institute for Single Crystals
Анотація
Principles of plasma-electrolytic oxidation of the aluminum alloys in diphosphate electrolytes are discussed. It has been established that a variation in concentration of the electrolyte components and electrolysis parameters (current density and treatment time) provides the formation of oxide coatings consisting of the basic matrix materials and the cobalt oxides of different composition and morphology that are expected to affect their functional properties. Mixed oxide coatings formed in a plasma-electrolytic mode characterized by microglobular structure with reducing the conglomerate size have an increased abrasion and wear resistance and an intense catalytic activity. Thus, there is a prospect of using such coatings in the process of burning fuel in internal combustion engines and reduce the toxicity of emissions improving fuel efficiency and environmental performance of engines and in the industrial systems of catalytic purification of exhaust gases of industrial plants and power system facilities.
Опис
Ключові слова
plasma electrolytic oxidation, metal oxide system, cobalt oxides, mixed oxides, catalytic activity, corrosion resistance
Бібліографічний опис
Functional mixed cobalt and aluminum oxide coatings for environmental safety / M. V. Ved [et al.] // Functional Materials. – 2017. – Vol. 24, No 2. – P. 303-310.