Strip casting with fluxing agent applied to casting roll

Details Strip casting with fluxing agent applied to casting roll Strip casting with fluxing agent applied to casting roll

1995-10-06

1997-07-29

Batten, Jr., J. Reed

Metal founding

Process

Shaping liquid metal against a forming surface

164268, 164480, B22D 1106

Patent

active

056514123

ABSTRACT:
A strip caster (10) for producing a continuous strip (24) includes a tundish (12) for containing a melt (14), a pair of horizontally disposed water cooled casting rolls (22) and devices (29) for electrostatically coating the outer peripheral chill surfaces (44) of the casting rolls with a powder flux material (56). The casting rolls are juxtaposed relative to one another for forming a pouting basin (18) for receiving the melt through a teeming tube (16) thereby establishing a meniscus (20) between the rolls for forming the strip. The melt is protected from the outside air by a non-oxidizing gas passed through a supply line (28) to a sealing chamber (26). A preferred flux is boron oxide having a melting point of about 550.degree. C. The flux coating enhances wetting of the steel melt to the casting roll and dissolves any metal oxide formed on the roll.

REFERENCES:
patent: 2467544 (1949-04-01), Whitcomb
patent: 2719800 (1955-10-01), Veltri
patent: 2720473 (1955-10-01), Donahey
patent: 3175933 (1965-03-01), Wasserman et al.
patent: 3179540 (1965-04-01), Asinovskaja et al.
patent: 3490942 (1970-01-01), Lalieu
patent: 3685986 (1972-08-01), Rutes et al.
patent: 3941537 (1976-03-01), Abraham
patent: 3983889 (1976-10-01), Thym et al.
patent: 5103895 (1992-04-01), Furuya et al.
patent: 5219114 (1993-06-01), Kajiwara et al.

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