Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes
Patent
1986-04-18
1988-04-19
Brody, Christopher W.
Specialized metallurgical processes, compositions for use therei
Processes
Electrothermic processes
75 05C, 164 46, 164127, B22C 700
Patent
active
047387122
ABSTRACT:
Metal forming process and apparatus are described.
The process comprises directing a stream (4) of atomized droplets of molten metal onto a chill surface (5) such that the metal is partially solidified to form a slurry of solidified metal suspended in liquid metal. The slurry is then collected (for example, in a casting mold 7) and then cast or otherwise formed before solidification is complete. It is particularly preferred that the stream of atomized droplets is directed onto a fully solidified layer (6) of the same metal on the chill surface.
REFERENCES:
patent: 3826301 (1974-07-01), Brooks
patent: 3909921 (1975-10-01), Brooks
patent: 4114251 (1978-09-01), Southern
patent: 4579168 (1986-04-01), Singer
Metals Handbook, 9th ed., vol. 7, pp. 30, 45-49 .COPYRGT. 1983.
"Incremental Solidification", by A. R. E. Singer, published Metals Technology, Feb. 1983; Rheocasting, by Flemings, Riek and Young, published Materials Science and Engineering, 1976.
Brody Christopher W.
National Research Development Corporation
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