Corrosion Properties of Oxide Ceramic Coatings Based on Alloys of the Al–Cu–Mg and Al–Mg Systems

By the methods of electrochemical impedance spectroscopy and potentiodynamic methods, we estimate the corrosion resistance of oxide ceramic coatings obtained on Al–Cu–Mg and Al–Mg alloys in the course of ozone bubbling. The results are compared with the data on the corrosion resistance of materials...

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Vydáno v:Materials science (New York, N.Y.) Ročník 57; číslo 2; s. 256 - 263
Hlavní autoři: Bilyi, L. M., Posuvailo, V. M., Ivashkiv, V. R., Kovalchuk, I. V.
Médium: Journal Article
Jazyk:angličtina
Vydáno: New York Springer US 01.09.2021
Springer
Springer Nature B.V
Témata:
Alloys
Aluminum base alloys
Analysis
Aqueous solutions
Ceramic coatings
Ceramic glazes
Ceramics
Characterization and Evaluation of Materials
Chemistry and Materials Science
Copper
Corrosion resistance
Electrochemical impedance spectroscopy
Magnesium
Materials
Materials Science
Protective coatings
Sodium chloride
Solid Mechanics
Specialty metals industry
Structural Materials
aluminum oxides
corrosion
alloy
plasma-electrolyte oxidation
oxide ceramic coatings
X-ray diffraction analysis
ISSN:1068-820X, 1573-885X
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Shrnutí:By the methods of electrochemical impedance spectroscopy and potentiodynamic methods, we estimate the corrosion resistance of oxide ceramic coatings obtained on Al–Cu–Mg and Al–Mg alloys in the course of ozone bubbling. The results are compared with the data on the corrosion resistance of materials produced by using standard methods. The capacitance of all obtained oxide-ceramic coatings after 90 days is stabilized and becomes equal to 1–4 pF/cm 2 . Their corrosion resistance of the D16 alloy is twice higher than for the AMg5 alloy. All developed coatings are characterized by the elevated protective properties and their resistance in a 3% aqueous solution of sodium chloride is 1–4 G Ω ⋅ cm 2 .
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ISSN:1068-820X
1573-885X
DOI:10.1007/s11003-021-00540-3