Invention Grant
- Patent Title: Methods of deoxygenating metals having oxygen dissolved therein in a solid solution
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Application No.: US15216549Application Date: 2016-07-21
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Publication No.: US09669464B1Publication Date: 2017-06-06
- Inventor: Ying Zhang , Zhigang Zak Fang , Pei Sun , Yang Xia , Chengshang Zhou
- Applicant: University of Utah Research Foundation
- Applicant Address: US UT Salt Lake City
- Assignee: University of Utah Research Foundation
- Current Assignee: University of Utah Research Foundation
- Current Assignee Address: US UT Salt Lake City
- Agency: Thorpe North & Western, LLP
- Main IPC: B22F9/22
- IPC: B22F9/22 ; B22F1/00 ; C22F1/18 ; C22C14/00

Abstract:
A method of deoxygenating metal can include forming a mixture of: a metal having oxygen dissolved therein in a solid solution, at least one of metallic magnesium and magnesium hydride, and a magnesium-containing salt. The mixture can be heated at a deoxygenation temperature for a period of time under a hydrogen-containing atmosphere to form a deoxygenated metal. The deoxygenated metal can then be cooled. The deoxygenated metal can optionally be subjected to leaching to remove by-products, followed by washing and drying to produce a final deoxygenated metal.
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