Invention Grant
- Patent Title: Crucible and extrinsic facecoat compositions and methods for melting titanium and titanium aluminide alloys
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Application No.: US14628423Application Date: 2015-02-23
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Publication No.: US09803923B2Publication Date: 2017-10-31
- Inventor: Bernard Patrick Bewlay , Stephen Francis Bancheri , Joan McKiever , Brian Michael Ellis
- Applicant: GENERAL ELECTRIC COMPANY
- Applicant Address: US NY Niskayuna
- Assignee: General Electric Company
- Current Assignee: General Electric Company
- Current Assignee Address: US NY Niskayuna
- Agent John P. Darling
- Main IPC: F27B14/10
- IPC: F27B14/10 ; B28B7/00 ; B28B7/28 ; B28B1/16 ; F27D1/00

Abstract:
Crucible compositions and methods of using the crucible compositions to melt titanium and titanium alloys. More specifically, crucible compositions having extrinsic facecoats comprising a rare earth oxide that are effective for melting titanium and titanium alloys for use in casting titanium-containing articles. Further embodiments are titanium-containing articles made from the titanium and titanium alloys melted in the crucible compositions. Another embodiment is a crucible curing device and methods of use thereof.
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