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R-T-B based alloy for rare earth permanent magnet material, and method of manufacturing R-T-B rare

2025-06-18 19:154920下载
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An alloy material for an R-T-B based rare earth permanent magnet of the present invention includes : an R-T-B based alloy that comprises R, T, and B (wherein R represents at least one selected from the group consisting of Nd, Pr, Dy, and Tb, with Dy or Tb being essentially contained at 4% by mass to 10% by mass in the R-T-B type alloy; T represents a transition metal which essentially contains Fe; and B represents boron, a part of which can be substituted by carbon or nitrogen); and a high melting point compound having a melting point of 1080° C. or higher.


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