| 简介 |
PROBLEM TO BE SOLVED : To improve the strength of a molded body without deteriorating the magnetic characteristics of the body.SOLUTION : At the time of manufacturing a sintered rare-earth magnet by sintering fine raw alloy powder containing a rare-earth element, a transition metal element, and boron; the fine raw alloy powder is molded by adding metallic soap to the powder and the molded body is sintered. When, for example, a crushing step and pulverizing step are performed for crushing and pulverizing a raw alloy, amide oleate is added to the raw alloy after the crushing step and the metallic soap is added to the raw alloy after the pulverizing step. The metallic soap is, for example, strontium stearate powder or nickel stearate powder. |
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