Crucible and extrinsic facecoat compositions and methods for melting titanium and titanium aluminide alloys
US9803923B2 · kind B2 · utility
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124References
20Claims
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Key dates
| Filing date | Feb 23, 2015 |
| Grant date | Oct 31, 2017 |
| Priority date | — |
| Expiry date | Oct 4, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF27M2001/01
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.