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Title: Studying the influence of supply pulse duration on the phase composition of iron oxides obtained by the plasma-dynamic method
Authors: Shanenkov, Ivan Igorevich
Sivkov, Aleksandr Anatolyevich
Ivashutenko, Alexander Sergeevich
Gukov, M. I.
Shanenkova, Yuliya Leonidovna
Keywords: импульсы; фазовый состав; оксиды железа; плазменные методы; динамические методы; магнитные материалы; порошки; энергосистемы; накопители энергии
Issue Date: 2021
Publisher: IOP Publishing
Citation: Studying the influence of supply pulse duration on the phase composition of iron oxides obtained by the plasma-dynamic method / I. I. Shanenkov, A. A. Sivkov, A. S. Ivashutenko [et al.] // IOP Conference Series: Materials Science and Engineering. — 2021. — Vol. 1019 : 14th International Forum on Strategic Technology (IFOST 2019) : October 14-17, 2019, Tomsk, Russia. — [012096, 7 p.].
Abstract: Magnetic materials and in particular iron oxides are of a great practical interest. The magnetite phase and the unique epsilon phase of iron oxide can be especially pointed out. The main difficulty in the synthesis of the epsilon phase is connected with the fact that it can exist only in a nanoscale state and is extremely difficult to obtain. We used the method of direct plasma dynamic synthesis, which allows obtaining multiphase powders of iron oxides containing both the epsilon phase and magnetite. It was found that by varying the initial parameters of the power system, namely the pulse duration by increasing the capacitance of the capacitive energy storage, it is possible to influence the phase composition of the obtained products and to achieve the preferential output of the epsilon phase. In addition, in the mode with the maximum pulse duration, when the best product is obtained from the point of the epsilon phase output, the system efficiency of converting the stored energy into released energy significantly increases. In general, it has been established that such a regime is most favorable for the system operation for the purpose of the iron oxides synthesis.
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