Corrosion properties of thermal sprayed aluminium (TSA) coatings deposited by powder flame spraying

Glogović, Zlatko and Alar, Vesna and Kožuh, Zoran and Stojanović, Ivan and Kralj, Slobodan (2011) Corrosion properties of thermal sprayed aluminium (TSA) coatings deposited by powder flame spraying. = Corrosion properties of thermal sprayed aluminium (TSA) coatings deposited by powder flame spraying. Materialwissenschaft und Werkstofftechnik, 42 (3). pp. 224-228. ISSN 0933-5137. . .

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Abstract

Thermal sprayed aluminium (TSA) coatings are widely used for the protection of steels from aqueous corrosion, including offshore structures and components that are exposed to seawater immersion, tidal and splash zone environments. In this paper, the influence of deposition parameters of aluminium coating on its corrosion properties was studied. For different application parameters of TSA coatings, the thickness, the microstructure and corrosion properties were determined. Determination of thickness was performed according to EN ISO 2064:2000 relating to the definition and determination of the thickness of metallic and other inorganic layers. Microstructure was determined using a Olympus GX50 optical microscope. The corrosion properties of the coatings were compared using an accelerated electrochemical corrosion test method. Electrochemical studies were carried out in accordance with the requirements of ASTM standard G 102 - 89. The TSA coating performance was quantified in terms of its corrosion potential and the corrosion rate, which was estimated from Tafel polarisation resistance measurements. Copyright © 2011 WILEY-VCH Verlag GmbH & Co. KGaA.

Item Type: Article (UNSPECIFIED)
Keywords (Croatian): Aluminium coating; Application parameters; Aqueous corrosion; ASTM Standards; Coating performance; Corrosion potentials; Corrosion property; Deposition Parameters; Electrochemical corrosion tests; Electrochemical studies; Inorganic layers; Korrosionspotenzial; Korrosionsrate; Olympus; Optical microscopes; Polarisation; Resistance measurement; Schichtdicke; Splash zone; Tafel; Thermisch gespritztes Aluminium; Aluminum; Corrosion rate; Electrochemical corrosion; Electrochemical properties; Electrochemistry; Flame spraying; Microstructure; Offshore structures; Powder coatings; Protective coatings; Seawater; Thermal spraying; Sprayed coatings
Subjects: TECHNICAL SCIENCE
Divisions: 1100 Department of Welded Structures > 1110 Chair of Welded Structures
1100 Department of Welded Structures > 1120 Chair of Materials Protection
Indexed in Web of Science: Yes
Indexed in Current Contents: Yes
Citations JCR: 0 (17.4.2015.)
Citations SCOPUS: 0 (17.4.2015.)
Date Deposited: 17 Apr 2015 09:50
Last Modified: 17 Apr 2015 09:50
URI: http://repozitorij.fsb.hr/id/eprint/3853

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