Metal founding – Means to directly apply electrical or wave energy to work – In continuous casting apparatus
Patent
1984-08-31
1986-09-23
Godici, Nicholas P.
Metal founding
Means to directly apply electrical or wave energy to work
In continuous casting apparatus
164256, 164335, 164423, 164429, 164437, 222592, B22D 1106, B22D 1110, B22D 2715
Patent
active
046129731
ABSTRACT:
Cold-hearth melt-spinning apparatus for adapted improved continuous casting of refractory and reactive alloys possesses (1) a cold crucible having a selectively grooved surface operative to reduce both melt "freezing" at the melt/crucible interface and input heating power requirements, and (2) a replaceable nozzle of a refractory material that is friction-fit in an aperture provided therefor in the crucible. The confronting nozzle/crucible walls define a thermally impeding interface which maintains the nozzle at a temperature sufficient to substantially eliminate melt "freezing" in and across the nozzle orifice. The melt is ejected as a molten jet from the crucible by pressure, rapidly quenched on a suitably configured spinning disk into either filaments or flakes, and passed to an environmentally protected processing compartment. Arc heating of the melt is provided by a water-cooled and selectively movable electrode.
REFERENCES:
patent: 2997760 (1961-08-01), Hanks et al.
patent: 3820586 (1974-06-01), Takei
patent: 4471831 (1984-09-01), Ray
Batten, Jr. J. Reed
Godici Nicholas P.
Northeastern University
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