METHOD FOR PREPARATION OF HOLLOW METAL CASTINGS AND CERAMIC CORES FOR USE IN SAME

METHOD FOR PREPARATION OF HOLLOW METAL CASTINGS AND CERAMIC CORES FOR USE IN SAME

METHOD FOR PREPARATION OF HOLLOW METAL CASTINGS AND CERAMIC CORES FOR USE IN SAME Cores for use in the casting of hollow metal parts by directional solidification from temperatures which may exceed 2700.degree.F, in which the strength, dimensional stability and shape of the core is maintained at suc...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: YAKER, CHARLES, ROBB, RONALD R, BURD, LAMAR
Format: Patent
Sprache:eng ; fre
Schlagworte:
CASTING
FOUNDRY MOULDING
PERFORMING OPERATIONS
POWDER METALLURGY
TRANSPORTING
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Beschreibung
Zusammenfassung:METHOD FOR PREPARATION OF HOLLOW METAL CASTINGS AND CERAMIC CORES FOR USE IN SAME Cores for use in the casting of hollow metal parts by directional solidification from temperatures which may exceed 2700.degree.F, in which the strength, dimensional stability and shape of the core is maintained at such high temperatures by formulating the core to contain Cristobalite in an amount of at least 2.5% by weight.