Comparative analysis of the reactivity of nickel and a Ni–Re (10 wt %) alloy during direct current polarization in sulfuric acid solutions
- Autores: Bryukvin V.1, Skryleva E.2, Levchuk O.1, Tsybin O.1, Bol’shikh A.1, Kuznetsova O.1
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Afiliações:
- Baikov Institute of Metallurgy and Materials Science
- National Research Technological University MISiS
- Edição: Volume 2016, Nº 11 (2016)
- Páginas: 1049-1054
- Seção: Article
- URL: https://journals.rcsi.science/0036-0295/article/view/170990
- DOI: https://doi.org/10.1134/S0036029516110057
- ID: 170990
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Resumo
A comparative analysis of the reactivity of nickel and its alloy with rhenium during their direct current polarization in sulfuric acid solutions (50–150 g/L, 25–60°C) is carried out. The regions of anodic potentials of their active dissolution and passivation are determined on the basis of the analysis results. The chemical compositions of the passivation films of electrode polarization are determined by X-ray photoelectron spectroscopy. The mechanism of film formation is established. The influence of the depolarizing ability of rhenium in the alloy composition on the depassivation of the alloy is revealed and evaluated.
Sobre autores
V. Bryukvin
Baikov Institute of Metallurgy and Materials Science
Autor responsável pela correspondência
Email: brukvin@imet.ac.ru
Rússia, Leninskii pr. 49, Moscow, 119991
E. Skryleva
National Research Technological University MISiS
Email: brukvin@imet.ac.ru
Rússia, Leninskii pr. 4, Moscow, 119991
O. Levchuk
Baikov Institute of Metallurgy and Materials Science
Email: brukvin@imet.ac.ru
Rússia, Leninskii pr. 49, Moscow, 119991
O. Tsybin
Baikov Institute of Metallurgy and Materials Science
Email: brukvin@imet.ac.ru
Rússia, Leninskii pr. 49, Moscow, 119991
A. Bol’shikh
Baikov Institute of Metallurgy and Materials Science
Email: brukvin@imet.ac.ru
Rússia, Leninskii pr. 49, Moscow, 119991
O. Kuznetsova
Baikov Institute of Metallurgy and Materials Science
Email: brukvin@imet.ac.ru
Rússia, Leninskii pr. 49, Moscow, 119991
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