Filtration block for liquid metals and alloys, with a mechanical

Details Filtration block for liquid metals and alloys, with a mechanical Filtration block for liquid metals and alloys, with a mechanical

1982-04-09

1984-07-03

Andrews, M. J.

Metallurgical apparatus

Means for melting or vaporizing metal or treating liquefied...

By separating metal in a molten mass from undesired...

2105101, 75 67A, 75 68R, 501 95, 501108, 501123, 501151, C22B 2106

Patent

active

044574967

ABSTRACT:
The invention concerns a filtration block for liquid alloys and metals, with a mechanical and physical-chemical effect.
Agglomerating, for example by sintering, elements of an active mineral compound based on fluorides, results in a porous structure with a high degree of permeability, which acts both by a mechanical filtration effect and by a washing action in respect of the metal under the action of the active mineral compound which acts as a flux and provides for trapping inclusions.
Use for the final purification of aluminium, aluminium-base alloys, magnesium and magnesium-base alloys.

REFERENCES:
patent: 3907962 (1975-09-01), Ogiso
patent: 4024056 (1977-05-01), Yarwood et al.
patent: 4258099 (1981-03-01), Narumiya
patent: 4265659 (1981-05-01), Blome
patent: 4277281 (1981-07-01), Weber et al.

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