Corrosion-Electrochemical Properties of Fe −Nb −B Amorphous Alloys Doped with Dysprosium or Terbium

Corrosion-Electrochemical Properties of Fe −Nb −B Amorphous Alloys Doped with Dysprosium or Terbium

According to the data of chronopotentiometric measurements of the behavior of free potential and the results of cyclic voltammetry of Fe 82 Nb 2 B 14 (Dy, Tb) 2 electrodes (made of amorphous metallic alloys) in aqueous solutions of NaCl, NaOH, and KOH, we determine the principal electrochemical char...

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Veröffentlicht in:Materials science (New York, N.Y.) N.Y.), 2015-03, Vol.50 (5), p.653-658
Hauptverfasser: Boichyshyn, L. M., Hertsyk, O. М., Kovbuz, М. О., Kotur, B. Ya, Nosenko, V. K.
Format: Artikel
Sprache:eng
Schlagworte:
Adhesion
Aqueous solutions
Characterization and Evaluation of Materials
Chemistry and Materials Science
Corrosion resistance
Dysprosium
Electrodes
Materials Science
Sodium chloride
Solid Mechanics
Structural Materials
Terbium
Voltammetry
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Zusammenfassung:According to the data of chronopotentiometric measurements of the behavior of free potential and the results of cyclic voltammetry of Fe 82 Nb 2 B 14 (Dy, Tb) 2 electrodes (made of amorphous metallic alloys) in aqueous solutions of NaCl, NaOH, and KOH, we determine the principal electrochemical characteristics of their corrosion resistance. The procedure of doping of the amorphous metallic alloys with terbium guarantees the highest protective properties, which is explained by its insolubility and high adhesion of its oxidation products to the surface.
ISSN:1068-820X
1573-885X
DOI:10.1007/s11003-015-9767-2