Electrochemical Oxidation of a Heavy Tungsten-Containing VNZh-Type Alloy and Its Components in Ammonia–Alkali Electrolytes
- Autores: Kuznetsova O.1, Levin A.1, Sevast’yanov M.1, Tsybin O.1, Bol’shikh A.1
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Afiliações:
- Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences
- Edição: Volume 2019, Nº 5 (2019)
- Páginas: 507-510
- Seção: Article
- URL: https://journals.rcsi.science/0036-0295/article/view/173242
- DOI: https://doi.org/10.1134/S0036029519050057
- ID: 173242
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Resumo
Linear voltammetry in the potentiodynamic mode is used to study the electrochemical behavior of a heavy tungsten-containing VNZh alloy (in wt %: 90 W, 7 Ni, 3 Fe) and its components in ammonia–alkali electrolytes. The anodic oxidation of individual tungsten and nickel is found to be activated when NH4OH is introduced into the composition of an alkaline electrolyte. Galvanostatic electrolysis is used to perform electrochemical processing of a VNZh-type alloy with a current efficiency of about 100% for tungsten and a specific energy consumption of ~1.5 kW h/kg.
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Sobre autores
O. Kuznetsova
Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences
Autor responsável pela correspondência
Email: olyakolya@mail.ru
Rússia, Moscow, 119991
A. Levin
Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences
Email: olyakolya@mail.ru
Rússia, Moscow, 119991
M. Sevast’yanov
Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences
Email: olyakolya@mail.ru
Rússia, Moscow, 119991
O. Tsybin
Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences
Email: olyakolya@mail.ru
Rússia, Moscow, 119991
A. Bol’shikh
Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences
Email: olyakolya@mail.ru
Rússia, Moscow, 119991