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Methods of deoxygenating metals having oxygen dissolved therein in a solid solution

United States Patent

9,669,464
June 6, 2017
View the Complete Patent at the US Patent & Trademark Office
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.
Zhang; Ying (Salt Lake City, UT), Fang; Zhigang Zak (Salt Lake City, UT), Sun; Pei (Salt Lake City, UT), Xia; Yang (Salt Lake City, UT), Zhou; Chengshang (Salt Lake City, UT)
University of Utah Research Foundation (Salt Lake City, UT)
15/ 216,549
July 21, 2016
GOVERNMENT INTEREST This invention was made with government support under Award DE-AR0000420 awarded by the Department of Energy. The government has certain rights in the invention.