METHOD OF IRON MODIFICATION Russian patent published in 2014 - IPC C21C1/10 

Abstract RU 2515160 C1

FIELD: metallurgy.

SUBSTANCE: proposed method comprises furnacing of preset-composition iron, filling the cover material on iron surface for it to be cured to a dense thick cover, and adding of hard modifier based on cerium, magnesium and nickel. Said hard modifier is held in water before adding to the melt. Iron furnacing and modifying are performed in induction furnace mould at iron melt level not higher then induction furnace top coil level and at inductor current frequency of 50-2400 Hz. Note that prior to filling the cover material on iron surface, rated power fed to furnace inductor is decreased by 5-50%. Now, produced iron is discharged into ladle.

EFFECT: higher efficiency of distribution of magnesium and cerium over the entire volume of liquid iron to be filled in the mould.

9 cl, 1 tbl

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RU 2 515 160 C1

Authors

Gushchin Nikolaj Safonovich

Dub Aleksej Vladimirovich

Bazanov Ivan Sergeevich

Aniskina Ol'Ga Viktorovna

Sannikova Natal'Ja Petrovna

Timofeeva Margarita Vjacheslavovna

Takhirov Asif Ashur Ogly

Shikelja Aleksandr Kazimirovich

Kamanin Aleksej Vladimirovich

Dates

2014-05-10Published

2012-12-25Filed