Calcium oxide based flux compositions

Details Calcium oxide based flux compositions Calcium oxide based flux compositions

1985-07-18

1985-12-31

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Compositions

Loose particulate mixture containing metal particles

75 53, C22B 910, C21C 700

Patent

active

045618941

ABSTRACT:
A particulate flux composition suitable for desulphurizing and/or dephosphorizing molten ferrous metals and for use as a mould flux comprises prefused particles comprising calcium oxide and at least one other component, such as alumina, iron oxide, calcium fluoride, magnesium fluoride, sodium fluoride, silica, sodium oxide, zirconium oxide, titanium oxide or sodium borate, and in which each particle has a substantially vitreous amorphous structure. The composition is highly resistant to hydration and does not introduce hydrogen into the molten metal.

REFERENCES:
patent: 2825947 (1958-03-01), Goss
patent: 3857698 (1974-12-01), Gilpin
patent: 4340426 (1982-07-01), Tabei et al.

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