Corrosion and wear behavior of alumina coatings obtained by various methods

Alumina coatings are widely used in a range of industrial applications to improve corrosion protection, wear and erosion resistances, and thermal insulation of metallic surfaces. Refined alumina surfaces with long-term use are obtained from various efficient and adjustable processes. It can be seen...

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Bibliographic Details
Published in:Materials science (New York, N.Y.) N.Y.), 2011-03, Vol.46 (5), p.591-598
Main Authors: Lampke, T., Meyer, D., Alisch, G., Wielage, B., Pokhmurska, H., Klapkiv, M., Student, M.
Format: Article
Language:English
Subjects:
Adjustable
Aluminum oxide
Atmospherics
Characterization and Evaluation of Materials
Chemistry and Materials Science
Coatings
Coatings industry
Corrosion prevention
Flame spraying
Materials Science
Mechanical properties
Protective coatings
Solid Mechanics
Structural Materials
Wear
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Summary:Alumina coatings are widely used in a range of industrial applications to improve corrosion protection, wear and erosion resistances, and thermal insulation of metallic surfaces. Refined alumina surfaces with long-term use are obtained from various efficient and adjustable processes. It can be seen that costefficient arc-sprayed Al coatings post-treated by plasma-electrolytic oxidation (PEO) form Al 2 O 3 -layers with remarkable corrosion protection, hardness, bonding strength, and abrasion resistance, as well as with the extended service time. The properties of these coatings are compared with alumina coatings obtained by flame spraying and atmospheric plasma spraying.
ISSN:1068-820X
1573-885X
DOI:10.1007/s11003-011-9328-2