Specialized metallurgical processes – compositions for use therei – Compositions – Loose particulate mixture containing metal particles
Patent
1979-01-08
1980-11-04
Rutledge, L. DeWayne
Specialized metallurgical processes, compositions for use therei
Compositions
Loose particulate mixture containing metal particles
428613, B22F 310
Patent
active
042317975
ABSTRACT:
Fired iron-ore pellets are disclosed which are prepared by crushing iron ore to be pelletized, mixing a carbonaceous material of grain sizes ranging from 0.1 to 3 mm in diameter to the crushed iron ore in an amount of up to 4% by weight, pelletizing the mixture thus prepared, and firing the resulting pellets; thereby providing pellets throughout each of which is dispersed macro-pores of sizes ranging from 0.1 to 3 mm in diameter at a ratio of up to 25% relative to all pores contained in each pellet.
REFERENCES:
patent: 2356024 (1944-08-01), Anderson et al.
patent: 2696432 (1954-12-01), Davis
patent: 3189436 (1965-06-01), Burstlein
patent: 3313617 (1967-04-01), Ban et al.
patent: 3754889 (1973-08-01), Dominguez et al.
patent: 4082539 (1978-04-01), Sugawasa
patent: 4082540 (1978-04-01), Sasak et al.
Perry, J. H. ed; Chemical Engineers Handbook, 4th ed. McGraw Hill, N.Y. New York, pp. 9-3, 9-4 (1963).
Merriman, A.D.; A Dictionary Of Metallurgy Mac Donald & Evans, London, pp. 165-224 (1958).
Fujita Isao
Kawaguchi Fumikazu
Onoda Mamoru
Takenake Yoshimichi
Tsutaya Tadao
Kobe Steel Limited
Lewis Michael L.
Rutledge L. Dewayne
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