Method for vertically and continuously casting beryllium copper

Details Method for vertically and continuously casting beryllium copper Method for vertically and continuously casting beryllium copper

1991-06-19

1992-02-25

Batten, Jr., J. Reed

Metal founding

Process

Shaping liquid metal against a forming surface

164459, 164487, 164488, B22D 1104

Patent

active

050904728

ABSTRACT:
A casting nozzle is first arranged in a melt of the beryllium copper alloy in a mold. This casting nozzle has a flow rate-regulating mechanism which is arranged in the melt in the mold and capable of regulating the flow rate of the melt to be poured into the mold. The nozzle is opened in the melt inside the mold. A melt is poured into the mold through the nozzle, and continuously cast in a casting temperature range from a liquidus temperature of the beryllium copper alloy to a temperature higher than the liquidus temperature by 50.degree. C. Thereby, the beryllium copper alloy having a crystalline structure consisting essentially of isometric crystals can be obtained.

REFERENCES:
patent: 2266056 (1941-12-01), Martin
patent: 4315538 (1982-02-01), Nielsen
patent: 4394185 (1983-07-01), McClelland et al.
patent: 4425168 (1984-01-01), Goldstein et al.
Beryllium Copper, Issued by Copper Development Association, London, 1961, pp. 30-53.

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