| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method for treating rare earth magnetic powder, by which more uniform crystalline structures are produced. <P>SOLUTION: The method for treating rare earth magnetic powder includes a hydrogenation-disproportionation treatment composed of: a low temperature treatment for heating the powder at a temperature of 300-600°C in an atmosphere containing hydrogen and retaining the heated powder; and a high temperature treatment for heating the powder treated by the low temperature treatment at a temperature higher than 600°C in an atmosphere containing hydrogen and retaining the heated powder. <P>COPYRIGHT: (C)2011,JPO&INPIT |
