Process for casting columnar grain airfoil with preferential primary orientation
A molding process utilizes a seed (28) with a columnar grain structure for defining a desired grain structure in a completed casting. The seed is received within a seed cavity of a mold (20). The molten material adopts the orientation of the columns (30) defined within the seed during solidification...
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| creator | MARCIN, JOHN JOSEPH BULLIED, STEVEN J BOCHIECHIO, MARIO P VERNER, CARL R CHITTENDEN, KEVIN W |
| description | A molding process utilizes a seed (28) with a columnar grain structure for defining a desired grain structure in a completed casting. The seed is received within a seed cavity of a mold (20). The molten material adopts the orientation of the columns (30) defined within the seed during solidification to form a completed molded article having a desired columnar grain structure. |
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| subjects | 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 |
| title | Process for casting columnar grain airfoil with preferential primary orientation |
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