Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes
Patent
1974-09-09
1976-05-18
Rosenberg, Peter D.
Specialized metallurgical processes, compositions for use therei
Processes
Electrothermic processes
75 65R, 75130R, C22C 3308, C21C 700
Patent
active
039575020
ABSTRACT:
A magnesium additive for ferrous melts comprises a structure of particulate magnesium and a material which forms a coherent, stable metal permeable matrix when subjected to the temperature of a ferrous melt. The additive may comprise magnesium granules enveloped with such a material, which may be carbon or calcium fluoride. The additive may also comprise a homogeneous mixture of magnesium with a refractory material, or may comprise magnesium surrounded by carbonaceous material capable of forming a skeletal carbon structure. The carbonaceous material may comprise an organic binder and may be mixed with other materials, such as carbon and calcium fluoride.
REFERENCES:
patent: 3396777 (1968-08-01), Reding
patent: 3634066 (1972-01-01), Matthews
patent: 3637373 (1972-01-01), Bylund
patent: 3656989 (1972-04-01), Layland
patent: 3681051 (1972-08-01), Takashima
patent: 3854939 (1974-12-01), Mezoff
Cull Geoffrey Maurice
Fisher Phillip Andrew
Flocks Karl W.
Magnesium Elektron Limited
Rosenberg Peter D.
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