SINGLE CRYSTAL VANE SEGMENT AND METHOD OF MANUFACTURE

The present invention contemplates a multi-airfoil vane segment (50) produce d as a single crystal casting from a rhenium containing directionally solidified alloy. The single crystal casting containing grain boundary strengtheners.

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Bibliographische Detailangaben
Hauptverfasser:	FRASIER, DONALD J, BURKHOLDER, PHILIP S
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ALLOYS BLASTING CASTING CASTING OF METALS CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES CHEMISTRY ENGINE PLANTS IN GENERAL FERROUS OR NON-FERROUS ALLOYS HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING METALLURGY NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES PERFORMING OPERATIONS POWDER METALLURGY STEAM ENGINES TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WEAPONS
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Beschreibung
Zusammenfassung:	The present invention contemplates a multi-airfoil vane segment (50) produce d as a single crystal casting from a rhenium containing directionally solidified alloy. The single crystal casting containing grain boundary strengtheners.