| 简介 |
PROBLEM TO BE SOLVED : To provide a manufacturing method of an R-T-B type rare earth magnet with high material yield and excellent productivity.SOLUTION : A manufacturing method of an R-T-B type rare earth magnet includes a laminating step of laminating a plurality of preforms 10 made of an R-T-B type rare earth magnet material to form a raw material laminate 1, a hot working step of performing hot working on the raw material laminate 1 to form a processed laminate, and a dividing step of dividing the processed laminate in a position corresponding to the interface between the plurality of preforms 10 constituting the raw material laminate 1 to obtain a plurality of R-T-B type rare earth magnets.SELECTED DRAWING : Figure 1COPYRIGHT : (C)2018, JPO&INPIT |
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