Method at continuous casting of steels and metal alloys with seg

Details Method at continuous casting of steels and metal alloys with seg Method at continuous casting of steels and metal alloys with seg

1977-07-26

1985-01-15

Godici, Nicholas P.

Metal founding

Process

Shaping liquid metal against a forming surface

164486, B22D 1112, B22D 11124

Patent

active

044933630

ABSTRACT:
A method for preventing segregations in continuous casting by deforming the continuous strand plastically during the solidification in such a way that the cross sectional area of the strand is physically reduced corresponding substantially to the solidification shrinkage of the metal. The method avoids upward or downward transport of melt in the solidifying strand. The reduction in most cases will be 2-6% and can be accomplished with apparatus having a number of pair of strand reducing rolls or jets along the strand, to reduce it a number of times, each time less than the total desired reduction. The reduction of the strand from casting to the final strand follows the solidification shrinkage.

REFERENCES:
patent: 3478809 (1969-11-01), Tarmann et al.
patent: 3747664 (1973-07-01), Schoffmann
patent: 3766963 (1973-10-01), Rossi
patent: 3773099 (1973-11-01), Rossi
patent: 3842895 (1974-10-01), Mehrabian et al.
patent: 3938584 (1976-02-01), Meylan
patent: 3946797 (1976-03-01), Thalmann
patent: 3974559 (1976-08-01), Kawawa et al.
patent: 4000771 (1977-01-01), Williamson
patent: 4010792 (1977-03-01), Ishiguro et al.

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