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Method and apparatus for producing magnetically anisotropic Nd-Fe-B magnet material
Method and apparatus for producing magnetically anisotropic Nd-Fe-B magnet material
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机译：磁各向异性Nd-Fe-B磁体材料的制造方法和装置
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摘要
A method of producing a magnetically anisotropic Nd-Fe-B magnet material comprises the steps of: charging a green body produced by pressing a flaky or powdery material consisting of an amorphous alloy and/or a finely crystallized alloy, into a cavity (80) defined by a die (3) having a hole extending therethrough, a lower plunger (4) inserted into said hole; and an upper plunger (1) having a larger diameter than that of said hole; pressing said green body by elevating said lower plunger while keeping a temperature thereof (pressing temperature) at 600-850°; elevating the resulting pressed body by elevating said lower plunger (4) while heating; and upsetting said pressed body while keeping a temperature thereof (upsetting temperature) at 600-850°C to provide it with magnetic anisotropy.
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