Composite charge for metallurgical processing

Details Composite charge for metallurgical processing Composite charge for metallurgical processing

1996-01-18

1998-03-10

Andrews, Melvyn

Specialized metallurgical processes, compositions for use therei

Compositions

Solid treating composition for liquid metal or charge

75316, 75317, 75751, C22B 1248

Patent

active

057256314

ABSTRACT:
A composite charge for metallurgical processing which reduces the content of non-metallic inclusions in the end product(s) comprises 40-83 wt. % of a metallic agent, 17-50 wt. % of an oxide agent and 0.1-10.0 wt. % of a carbonaceous agent. The carbonaceous agent includes a mixture of metal carbides and free carbon, preferably graphite, having a ratio in the range of 0.1-10.0:1.

REFERENCES:
patent: 2710796 (1955-06-01), Pinkerton
patent: 3948612 (1976-04-01), Schulten-Baumer
patent: 4564388 (1986-01-01), Vallomy
patent: 4581068 (1986-04-01), Schramm
patent: 4797154 (1989-01-01), Benedetti et al.
patent: 4957546 (1990-09-01), Lazcano-Navarro
patent: 5364441 (1994-11-01), Worner
patent: 5425797 (1995-06-01), Dorofeev et al.
patent: 5562753 (1996-10-01), de Lassat de Presigny et al.

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