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RAPID CONSOLIDATION METHOD FOR PREPARING BULK METASTABLE IRON-RICH MATERIALS

United States Patent Application

20170062106
A1
View the Complete Application at the US Patent & Trademark Office
Interstitially modified compounds of rare earth element-containing, iron-rich compounds may be synthesized with a ThMn.sub.12 tetragonal crystal structure such that the compounds have useful permanent magnet properties. It is difficult to consolidate particles of the compounds into a bulk shape without altering the composition and magnetic properties of the metastable material. A combination of thermal analysis and crystal structure analysis of each compound may be used to establish heating and consolidation parameters for sintering of the particles into useful magnet shapes.
Zhou, Chen (Troy, MI), Pinkerton, Frederick E. (Shelby Township, MI)
14/ 834,861
August 25, 2015
[0001] This invention was made with U.S. Government support under Agreement No. DE-AR0000195 awarded by the Department of Energy. The U.S. Government may have certain rights under this invention.