GRAIN BOUNDARY ENGINEERING

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This disclosure is directed to methods for creating recycled Nd—Fe—B type permanent magnets, the methods comprising homogenizing a first population of particles of a rare earth transitional elemental additive with a second population of particles of a magnetic material, wherein the nature of the rare earth transitional elemental additive and the magnetic material are described herein. Additional steps may include compressing the population of homogenized particles together to form a green body, and heating the green body at a temperature and for a time sufficient to sinter the green body into a sintered body. Compositions resulting from these methods are also within the scope of the disclosure.