Metal founding – Process – Disposition of a gaseous or projected particulate molten...
Patent
1983-09-14
1985-04-23
Lin, Kuang Y.
Metal founding
Process
Disposition of a gaseous or projected particulate molten...
164464, 164479, 164429, B22D 1100
Patent
active
045123845
ABSTRACT:
The present invention is an improvement over, and an adaptation to continuous casting, of known processes in which a molten metal such as steel is atomized under non-oxydizing conditions and projected at high velocity against a suitable target. The distance to the target is such that the atomized particles solidify on their way and hit the target in a solid, yet still plastic, state to be welded onto said target by their kinetic energy. Applicant has found a way to adapt such process to continuous operation, and more particularly, to production of wide slabs of great length and relatively small thickness, say, typical 1.5".times.60" section and achieving that at great speeds of operation, such as 100 to 500 tons per hour which speed makes it possible to place it upstream of a continuous hot strip mill and thus produce, say, 0.060".times.60" strips in one continuous operation, from molten metal. (Such mills cannot maintain their thermal balance if the speed of the workpiece is too slow).
Another feature of the subject process is that it lends itself to an easy recuperation of the heat of fusion of the metal and of a substantial part of the heat contained in the product.
REFERENCES:
patent: 1662008 (1928-03-01), Legate
patent: 2307939 (1943-01-01), Merle
patent: 2639490 (1953-05-01), Brennan
patent: 2762093 (1956-09-01), Hood
patent: 2864137 (1958-12-01), Brennan
patent: 3670400 (1972-06-01), Singer
patent: 4114251 (1978-09-01), Southern et al.
patent: 4419060 (1983-12-01), Speier et al.
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