发明名称 |
PRODUCTION METHOD FOR SOFT MAGNETIC SINTERED MEMBER |
摘要 |
<p>A soft magnetic sintered member having uniform dispersion of alloy elements and a production method for the same at low cost are provided. The soft magnetic sintered member consists of, all in mass %, 2.9 to 7% of Cr; 1.5 to 6.88% of Si; and the balance of Fe and inevitable impurities. The production method for a soft magnetic sintered member includes: preparing an Fe alloy powder consisting of 3 to 7 mass% of Cr, 1.5 to 3.5 mass% of Si, and the balance of Fe and inevitable impurities; or a mixed powder in which the Fe alloy powder is mixed with an Si powder having an average particle size of 1 to 45 µm. The production method further includes: compacting the Fe alloy powder or the mixed powder into a green compact having a predetermined shape; and sintering the green compact.</p> |
申请公布号 |
EP1734141(B1) |
申请公布日期 |
2012.07.11 |
申请号 |
EP20050727835 |
申请日期 |
2005.03.29 |
申请人 |
HITACHI POWDERED METALS CO., LTD. |
发明人 |
ISHIHARA, CHIO;ASAKA, KAZUO |
分类号 |
C22C33/02;B22F1/00;C22C38/00;H01F1/14;H01F1/22 |
主分类号 |
C22C33/02 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|