ARCUATE SEED CASTING METHOD

A casting method includes forming a seed (20). The seed has a first end (24) and a second end (22). The forming includes bending a seed precursor. The seed second end (22) is placed in contact or spaced facing relation a chill plate (102). The first end is contacted with molten material (50). The mo...

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Bibliographische Detailangaben
Hauptverfasser:	SHAH, Dilip M, WOODARD, Shiela R, BULLIED, Steven J, BRENEMAN, Ryan C
Format:	Patent
Sprache:	eng ; fre ; ger
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:	A casting method includes forming a seed (20). The seed has a first end (24) and a second end (22). The forming includes bending a seed precursor. The seed second end (22) is placed in contact or spaced facing relation a chill plate (102). The first end is contacted with molten material (50). The molten material (50) is cooled and solidifies so that a crystalline structure of the seed (20) propagates into the solidifying material (50). The forming further includes inserting the bent seed precursor into a sleeve (252, 292, 302) leaving the bent seed precursor (254, 297, 304) protruding from a first end of the sleeve.