Method of deoxidizing molten ferrous metals

Details Method of deoxidizing molten ferrous metals Method of deoxidizing molten ferrous metals

1988-10-24

1989-10-24

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 53, C21C 702

Patent

active

048759341

ABSTRACT:
The present invention discloses a method for efficient aluminum deoxidation of ferrous melts, generally comprising preparation of a deoxidizing agent having a discrete layer of aluminum surrounding a ferrous core, and introducing the prepared deoxidizing agent to the ferrous melt through the slag layer disposed over such ferrous melt in order to achieve improved penetration of the agent into the melt and a correspondingly improved rate of reaction between the ferrous melt and the aluminum component of the deoxidizing agent. The method of the invention is also useful for the purpose of introducing aluminum to and efficiently dispersing aluminum through a ferrous melt in order to produce a ferrous-aluminum alloy.

REFERENCES:
patent: 3837842 (1974-09-01), Tanone
patent: 3917240 (1975-11-01), Tanoue
patent: 4010028 (1977-03-01), Irwin
patent: 4247324 (1981-01-01), Guarino

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