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Nanocomposite permanent magnets and methods of making the same

United States Patent

June 21, 2016
View the Complete Patent at the US Patent & Trademark Office
A method of making a nanocomposite permanent magnet is provided. The method comprises applying an extreme shear deformation to hard magnetic phase nanoparticles and soft magnetic phase nanoparticles to align at least a portion of the hard phase magnetic particles and to produce a nanocomposite permanent magnet.
Johnson; Francis (Clifton Park, NY), Colborn; Robert Edgar (Niskayuna, NY), Marte; Judson Sloan (Wynantskill, NY), Bonitatibus, Jr.; Peter John (Saratoga Springs, NY), Kandapallil; Binil Itty Ipe (Mechanicville, NY), Haouaoui; Mohammed (Niskayuna, NY), Chen; Christina (Niskayuna, NY)
General Electric Company (Niskayuna, NY)
13/ 538,229
June 29, 2012
This invention was made with Government support under grant number DE-AR0000158 awarded by the Advanced Research Projects Agency-Energy (ARPA-E). The Government has certain rights in the invention.