Single crystal vane segment and method of manufacture
AssigneeROLLS-ROYCE plc
InventorsDonald J. Frasier, Philip S. Burkholder
Life of this patent
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Abstract
The present invention contemplates a multi-airfoil vane segment produced as a single crystal casting from a rhenium containing directionally solidified alloy. The single crystal casting containing grain boundary strengtheners.
Claims27
A product comprising a cast single crystal structure formed of a directionally solidified alloy.
A gas turbine engine component, comprising a single cast single crystal vane segment having a plurality of airfoils, vane segment formed of a directionally solidified alloy.
A gas turbine engine component comprising a single cast single crystal shrouded vane formed of a directionally solidified alloy.
A method for producing a single crystal article, comprising:
- providing a directionally solidified alloy;
- melting the directionally solidified alloy;
- pouring the molten directionally solidified alloy into a casting mold;
- and
- solidifying the directionally solidified alloy to produce a single crystal article.
Dependencies are inferred from the claim text.