Corrosion Tests of Oxide-Ceramic Coatings Formed by Microarc Oxidation

2020 ◽  
Vol 61 (2) ◽  
pp. 220-223
Author(s):  
N. S. Chernyshov ◽  
Yu. A. Kuznetsov ◽  
M. A. Markov ◽  
A. V. Krasikov ◽  
A. D. Bykova
Keyword(s):  
Microarc Oxidation ◽  
Ceramic Coatings ◽  
Oxide Ceramic ◽  
Corrosion Tests ◽  
Oxide Ceramic Coatings

Corrosion tests of oxideceramic coatings formed by microarc oxidation

2020 ◽  
pp. 51-55
Author(s):  
N. S. Chernyshov ◽  
Yu. A. Kuznetsov ◽  
M. A. Markov ◽  
A. V. Krasikov ◽  
A. D. Bykova
Keyword(s):  
Corrosion Resistance ◽  
Experimental Studies ◽  
Microarc Oxidation ◽  
Ceramic Coatings ◽  
Oxidation Method ◽  
Corrosion Tests

The results of experimental studies of the corrosion resistance of aluminum and its alloys modified with ceramic coatings based on the microarc oxidation method in some aggressive environments are presented. The mechanism of destruction of the coating is considered. Recommendations on increasing corrosion resistance are given.

scholarly journals Hybrid, oxide-ceramic coatings formed on titanium alloys by PEO-EPD processes

2016 ◽  
Vol 4 ◽  
Author(s):  
Kazek-Kesik Alicja ◽  
Krok-Borkowicz Malgorzata ◽  
Dercz Grzegorz ◽  
Pamula Elzbieta ◽  
Simka Wojciech
Keyword(s):  
Titanium Alloys ◽  
Ceramic Coatings ◽  
Oxide Ceramic ◽  
Oxide Ceramic Coatings

scholarly journals Aluminum Oxide Ceramic Coatings on 316l Austenitic Steel Obtained by Plasma Electrolysis Oxidation Using a Pulsed Unipolar Power Supply

Coatings ◽  
2020 ◽  
Vol 10 (4) ◽  
pp. 318 ◽  
Author(s):  
Victor Aurel Andrei ◽  
Cristiana Radulescu ◽  
Viorel Malinovschi ◽  
Alexandru Marin ◽  
Elisabeta Coaca ◽  
...  
Keyword(s):  
Aluminum Oxide ◽  
Austenitic Steel ◽  
Power Supply ◽  
Prolonged Exposure ◽  
Ceramic Coatings ◽  
Oxide Ceramic ◽  
Experimental Conditions ◽  
Plasma Electrolysis ◽  
Oxide Ceramic Coatings ◽  
Aluminum Oxide Ceramic

AISI 316 steel has good corrosion behavior and high-temperature stability, but often prolonged exposure to temperatures close to 700 °C in aggressive environments (e.g., in boilers and furnaces, in nuclear installations) can cause problems that lead to accelerated corrosion degradation of steel components. A known solution is to prepare alumina ceramic coatings on the surface of stainless steel. The aim of this study is to obtain aluminum oxide ceramic coatings on 316L austenitic steel, by Plasma Electrolysis Oxidation (PEO), using a pulsed unipolar power supply. The structures obtained by PEO under various experimental conditions were characterized by XPS, SEM, XRD, and EDS analyses. The feasibility was proved of employing PEO in NaAlO2 aqueous solution using a pulsed unipolar power supply for ceramic–like aluminum oxide films preparation, with thicknesses in the range of 20–50 μm, and a high content of Al2O3 on the surface of austenitic stainless steels.

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