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Effect of Surface Microstructure on the Corrosion Resistance and Magnetic Properties of an Amorphous Cobalt-Based Co–Si–Fe–Cr–Al Alloy Научная публикация

Журнал Doklady Chemistry
ISSN: 1608-3113 , E-ISSN: 0012-5008
Вых. Данные Год: 2024, Том: 514, Номер: 2, Страницы: 35-41 Страниц : 7 DOI: 10.1134/s0012500823700222
Авторы Kuznetsova I.I. 1 , Lebedeva O.K. 1 , Kultin D.Yu. 1 , Perov N.S. 2 , Kustov L.M. 1,3
Организации
1 Faculty of Chemistry, Moscow State University, 119991, Moscow, Russia
2 Faculty of Physics, Moscow State University, 119991, Moscow, Russia
3 Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 119991, Moscow, Russia

Реферат: The surface of an amorphous cobalt-based alloy with a nominal composition of Co75Si15Fe5Cr4.5Al0.5 was modified with nanostructures by anodizing in an ionic liquid—1-butyl-3-methylimidazolium bis(trifluoromethanesulfonyl)imide. The magnetic (specific saturation magnetization and coercive force) and corrosion (corrosion potential and resistance) characteristics of an amorphous alloy before and after electrochemical modification of the surface with nanostructures have been compared. Modification of the alloy surface partially changes its magnetic properties. After corrosion tests, an increase in the coercive force is observed. Corrosion tests were carried out using the polarization curve method in Ringer’s solution. The corrosion resistance of alloys modified with oxide nanostructures is higher than the corrosion resistance of an abrasive-treated alloy. The increase in corrosion resistance is determined mainly by the presence of nanostructures.
Библиографическая ссылка: Kuznetsova I.I. , Lebedeva O.K. , Kultin D.Y. , Perov N.S. , Kustov L.M.
Effect of Surface Microstructure on the Corrosion Resistance and Magnetic Properties of an Amorphous Cobalt-Based Co–Si–Fe–Cr–Al Alloy
Doklady Chemistry. 2024. V.514. N2. P.35-41. DOI: 10.1134/s0012500823700222 WOS Scopus OpenAlex
Идентификаторы БД:
Web of science: WOS:001177279300004
Scopus: 2-s2.0-85187110179
OpenAlex: W4392603242
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