Influence of the ESR Parameters on the Removal of Sulfur


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Аннотация

The influence of the ESR parameters, namely, the flux composition, the melting rate, the electric current, the type of power supply, and the ac frequency, on the removal of sulfur is considered. These parameters are shown to play a key role in the removal of sulfur. To study the influence of the type of power supply on the desulfurization of 30Kh13 steel during ESR, we remelted ingots using both an alternating and direct current of both polarities under comparable (except for a power supply) conditions The experimental results demonstrate that the removal of sulfur for a direct current of both polarities is lower than in the case of an alternating current and that the reversed polarity leads to better desulfurization than the straight polarity does. The maximum desulfurization of ac ESR is 83%, and the desulfurization by ESR using a direct current of straight and reversed polarity is 33 and 72%, respectively.

Об авторах

I. Aksenov

Zlatoust Branch, South Ural State Research University

Автор, ответственный за переписку.
Email: ftt1650aia48@susu.ru
Россия, Zlatoust, Chelyabinsk oblast, 456217

M. Matveeva

Zlatoust Branch, South Ural State Research University

Email: ftt1650aia48@susu.ru
Россия, Zlatoust, Chelyabinsk oblast, 456217

I. Chumanov

Zlatoust Branch, South Ural State Research University

Email: ftt1650aia48@susu.ru
Россия, Zlatoust, Chelyabinsk oblast, 456217


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