PROCESS FOR MANUFACTURING A CASTING, OF ALUMINUM, PROVIDED WITH A POROUS INSERT

PROCESS FOR MANUFACTURING A CASTING, OF ALUMINUM, PROVIDED WITH A POROUS INSERT

PCT No. PCT/DE90/00013 Sec. 371 Date Aug. 2, 1991 Sec. 102(e) Date Aug. 2, 1991 PCT Filed Jan. 12, 1990 PCT Pub. No. WO90/08610 PCT Pub. Date Aug. 9, 1990.A method for the production of a molded casting, including the steps of providing a mold with a porous insert part which can subsequently be diss...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: RUEHLE, MARTIN
Format: Patent
Sprache:eng
Schlagworte:
CASTING
CASTING OF METALS
CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
PERFORMING OPERATIONS
POWDER METALLURGY
TRANSPORTING
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Zusammenfassung:PCT No. PCT/DE90/00013 Sec. 371 Date Aug. 2, 1991 Sec. 102(e) Date Aug. 2, 1991 PCT Filed Jan. 12, 1990 PCT Pub. No. WO90/08610 PCT Pub. Date Aug. 9, 1990.A method for the production of a molded casting, including the steps of providing a mold with a porous insert part which can subsequently be dissolved out. Placing the porous insert part having pores into the mold. Subsequently surrounding the porous insert part by a melt and then putting the melt under pressure. In the pore areas to be kept clear of the melt, gas pressure is maintained on the insert part which is equal to or slightly less than the melt pressure.