Specialized metallurgical processes – compositions for use therei – Compositions – Solid treating composition for liquid metal or charge
Patent
1998-03-17
2000-02-15
Andrews, Melvyn
Specialized metallurgical processes, compositions for use therei
Compositions
Solid treating composition for liquid metal or charge
75316, 75684, 75770, 75950, 419 69, C22B 2106
Patent
active
060247770
ABSTRACT:
A compacted steel powder in particulate form is used as an alloying additive for aluminum melts. The additive is in the form of a wafer which is smooth on one side and corrugated on the other side such that its thickness is 1 mm at the trough and 2-3 mm at the peak. The shape of the additive results in dissolution of the additive in the aluminum melts at an equivalent rate as compared to a conventional briquette.
REFERENCES:
patent: 3865577 (1975-02-01), Gottschol et al.
patent: 3935004 (1976-01-01), Faunce
patent: 5766544 (1998-06-01), Kemp
Treatise on Powder Metallurgy--Goetzel, vol. II, Applied and Physical Powder Metallurgy, 1950--pgs. 272-273, pp. 305-306, pp. 312-321, 1950.
Chimera Timothy
Houser Stephen L.
Andrews Melvyn
Eramet Marietta Inc.
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