Method of introducing powdered material into molten metal

Details Method of introducing powdered material into molten metal Method of introducing powdered material into molten metal

1976-07-06

1979-01-23

Rosenberg, P. D.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75130B, 75130BB, C22C 3308

Patent

active

041359208

ABSTRACT:
A method of introducing powdered material into molten metal by means of a carrier stream of gas passing through a metal tube having a closed free end melting or, said end fusing at the instant the tube is immersed into the molten metal. On completion of introducing the powdered material, pressure of the carrier stream of gas is decreased to reach essentially the ferrostatic pressure of the molten metal.

REFERENCES:
patent: 2776206 (1957-01-01), Klingbeil
patent: 2803533 (1957-08-01), Bieniosek
patent: 3322530 (1967-05-01), Nakamura
patent: 3357692 (1967-12-01), Bakkerus
patent: 3367646 (1968-02-01), Robertson
patent: 3410679 (1968-11-01), Pardo
patent: 3514285 (1970-05-01), Bakkerus

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