Method for the manufacture of monocrystalline aerodynamic blades

The method for the fabrication of a crystalline blade comprised of two shoulders enclosing an airfoil form which comprises arranging the shells of a mold in a manner such that the shoulders are parallel to the plane of a grain selection baffle that empties into a junction that moves the grain to the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	JEAN-MARC THERET, MARTIAL GERARD ALESSANDRI
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUSPOLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE APPARATUS THEREFOR CHEMISTRY CRYSTAL GROWTH METALLURGY PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE REFINING BY ZONE-MELTING OF MATERIAL SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE SINGLE-CRYSTAL-GROWTH UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL ORUNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL
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Beschreibung
Zusammenfassung:	The method for the fabrication of a crystalline blade comprised of two shoulders enclosing an airfoil form which comprises arranging the shells of a mold in a manner such that the shoulders are parallel to the plane of a grain selection baffle that empties into a junction that moves the grain to the two shoulders, and feeding the mold through gates at the upper ends of the shoulders.