Method of producing thixotropic metallic products by continuous

Details Method of producing thixotropic metallic products by continuous Method of producing thixotropic metallic products by continuous

1991-01-04

1993-06-15

Lin, Kuang Y.

Metal founding

Process

Shaping liquid metal against a forming surface

164504, 164900, B22D 2702

Patent

active

052190188

ABSTRACT:
The invention relates to a continuous casting method for producing thixotropic metallic alloys containing degenerated dendrites. It consists of casting the liquid metal in a movable occluded mould consisting of a hot upstream zone produced from insulating material and a cooled downstream zone in which the metal solidifies, while carrying out by means of a sliding magnetic field, obtained by a series of polyphase inductors, an electromagnetic agitation which causes the dendrites formed in the cold zone to pass into the hot zone where they change to nodules by superficial refusion. This invention is particularly applicable to the production of aluminum plates or bars having thixotropic properties.

REFERENCES:
patent: 4294304 (1981-10-01), Delassus
patent: 4964455 (1990-10-01), Meyer

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