Method and apparatus for making shaped articles from sprayed mol

Details Method and apparatus for making shaped articles from sprayed mol Method and apparatus for making shaped articles from sprayed mol

1982-03-19

1984-12-18

Goldberg, Howard N.

Metal working

Method of mechanical manufacture

Combined manufacture including applying or shaping of fluent...

295275, 29DIG39, 164 46, 164 761, B22D 2300

Patent

active

RE0317675

ABSTRACT:
A method and apparatus for manufacturing a shaped precision article from molten metal or molten metal alloy wherein a gas atomized stream of molten metal or molten metal alloy is directed at a collecting surface to form a coherent deposit, the stream being cooled in flight by the atomizing gas, which is at ambient, preferably room temperature, sufficient heat being extracted by the relatively cold atomizing gas from the stream of molten metal in flight such that formation of the coherent deposit is independent or substantially independent of the thermal properties and temperature of the collecting surface, provided the temperature of the collecting surface is below the melting point of the metal or metal alloy being sprayed; and the deposit is worked as by a die to form the precision metal or metal alloy article.

REFERENCES:
patent: 1705214 (1929-03-01), Versteeq
patent: 2307939 (1943-01-01), Merle
patent: 2701775 (1955-02-01), Brennan
patent: 3397732 (1968-08-01), Howell
patent: 3670400 (1972-06-01), Singer
patent: 3689987 (1973-09-01), Teague
patent: 3696502 (1973-10-01), Darling
patent: 3742585 (1973-07-01), Wentzell
patent: 3775156 (1973-11-01), Singer
patent: 3826301 (1974-07-01), Brooks
patent: 4114251 (1978-09-01), Southern et al.
Singer, A. R. E., "The Principles of Spray Rolling of Metals," Metals & Materials, 1970, vol. 4, pp. 246-250.

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