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Hf-Co-B Alloys as Permanent Magnet Materials

United States Patent Application

View the Complete Application at the US Patent & Trademark Office
Oak Ridge National Laboratory - Visit the Partnerships Directorate Website
An alloy composition is composed essentially of Hf.sub.2-XZr.sub.XCo.sub.11B.sub.Y, wherein 0<X<2 and 0<Y.ltoreq.1.5. Moreover, an alloy composition is composed essentially of ferromagnetic Hf.sub.2-XZr.sub.XCo.sub.11B.sub.Y, wherein 0.ltoreq.X<2 and 0<Y.ltoreq.1.5, and has a nanoscale crystalline structure comprising at least one non-equilibrium phase. The alloys can be melt-spun with in-situ and/or ex-situ annealing to produce the nanoscale crystalline structure.
McGuire, Michael Alan (Knoxville, TN), Rios, Orlando (Knoxville, TN), Ghimire, Nirmal Jeevi (Knoxville, TN)
UT-Battelle, LLC (Oak Ridge TN)
14/ 044,078
October 2, 2013
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH [0001] The United States Government has rights in this invention pursuant to contract no. DE-AC05-00OR22725 between the United States Department of Energy and UT-Battelle, LLC.