| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for manufacturing a Sm-Fe-N based magnet mold which is increased in quality stability, productivity and processing yield, and is suitable for mass production.SOLUTION: A method for manufacturing a Sm-Fe-N based magnet mold is provided according to the present invention, which comprises: a cold compaction-shaping step where Sm-Fe-N based magnet powder is shaped by a cold compaction method with a surface shaping pressure of 1-5 GPa, thereby obtaining the Sm-Fe-N based magnet mold of a relative density of 80% or larger.SELECTED DRAWING: Figure 1 |
