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

1981-07-02

1983-11-29

Hall, James R.

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Of inorganic materials

264109, 264115, 264118, 264125, 264330, B29H 720

Patent

active

044180284

ABSTRACT:
The invention concerns a filtration block for liquid alloys and metals, with a mechanical and physical-chemical effect.
Consolidating, 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: 4296056 (1981-10-01), Bumbalek
patent: 4356215 (1982-10-01), Auriol et al.

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