THE INFLUENCE OF THE ORIENTATION AND STRENGTH OF THE EXTERNAL MAGNETIC FIELD ON THE CORROSION PROCESS OF FERROMAGNETIC THIN FILMS OF IRON
Abstract
The results of a study on the rate of galvanic corrosion of thin ferromagnetic iron films in an external uniform magnetic field are presented. It is shown that the direction of the external magnetic field has different influence on the corrosion rate in the presence of a magnetic field. The shape of the micro-relief surface iron film subjected to a short-term treatment with a solution of acetic acid was studied. The relief is formed on the surface due to the heterogeneity of the corrosion rate on the surface of the film. Areas of high corrosion rates correspond to areas of the domain boundaries of the ferromagnetic film. When the orientation of the external magnetic field is changed, the domain structure changes, which is reflected in the change of the average rate of corrosion.
About the Authors
A. S. Naboko
M.V. Lomonosov Moscow State University of Fine Chemical Technologies, 86, Vernadskogo pr., Moscow 119571
Russian Federation
Russian Federation
S. S. Maklakov
Institute of Theoretical and Applied Electromagnetics RAS, Moscow, 125412
Russian Federation
Russian Federation
S. A. Maklakov
Institute of Theoretical and Applied Electromagnetics RAS, Moscow, 125412
Russian Federation
Russian Federation
I. A. Ryzhikov
Institute of Theoretical and Applied Electromagnetics RAS, Moscow, 125412
Russian Federation
Russian Federation
R. H. Akchurin
M.V. Lomonosov Moscow State University of Fine Chemical Technologies, 86, Vernadskogo pr., Moscow 119571
Russian Federation
Russian Federation
M. V. Sedova
Institute of Theoretical and Applied Electromagnetics RAS, Moscow, 125412
Russian Federation
Russian Federation
References
1. Агапонова А.В., Быков И.В., Маклаков С.А., Маклаков С.С., Пухов А.А., Рыжиков И.А., Седова М.В., Шалыгина Е.Е., Якубов И.Т. Визуализация доменной структуры ферромагнитных пленок с использованием магнетохимического эффекта // ФТТ. 2011. Т. 53. Вып. 5. С. 951-955.
2. Ilchenko M.Yu, Gorobets O.Yu, Bondar I.A., Gaponov A.M. Influence of external magnetic field on the etching of a steel ball in an aqueous solution of nitric acid // J. Magnetism & Magnetic Materials. 2010. № 322. Р. 2075-2080.
3. Майссел Л., Глэнг Р. Технология тонких пленок : справочник в 2-х т. - М.: Сов. Радио, 1977. Т. 1. 664 с.
4. Вонсовский С.В. Магнетизм. - М.: Наука, 1971. 1032 с.
For citation:
Naboko A.S., Maklakov S.S., Maklakov S.A., Ryzhikov I.A., Akchurin R.H., Sedova M.V. THE INFLUENCE OF THE ORIENTATION AND STRENGTH OF THE EXTERNAL MAGNETIC FIELD ON THE CORROSION PROCESS OF FERROMAGNETIC THIN FILMS OF IRON. Fine Chemical Technologies. 2013;8(4):92-95. (In Russ.)
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