Invention Grant
- Patent Title: Crucible and extrinsic facecoat compositions
- Patent Title (中): 坩埚和外用面漆组合物
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Application No.: US13693155Application Date: 2012-12-04
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Publication No.: US08992824B2Publication Date: 2015-03-31
- Inventor: Bernard Patrick Bewlay , Stephen Francis Bancheri , Joan McKiever , Brian Michael Ellis
- Applicant: General Electric Company
- Applicant Address: US NY Schenectady
- Assignee: General Electric Company
- Current Assignee: General Electric Company
- Current Assignee Address: US NY Schenectady
- Agency: Heslin Rothenberg Farley & Mesiti P.C.
- Main IPC: B22D41/02
- IPC: B22D41/02 ; F27D1/00 ; F27B14/10

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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