发明名称 |
Method for the compaction of soft magnetic powder |
摘要 |
Disclosed is a method for the compaction of a soft magnetic powder capable of manufacturing a green compact which has attained high density and high strength, is excellent in mechanical properties and magnetic properties and does not cause a reduction in electrical resistance. Soft magnetic powder particles individually surface-coated with an insulating vitreous layer containing P, Mg, B, and Fe as essential components are used, and a lubricant is applied to the inner wall surface of a compaction die. The soft magnetic powder is subjected to compaction at from not less than room temperature to less than 50° C. without mixing the lubricant with the soft magnetic powder, followed by annealing at from 50 to 300° C..
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申请公布号 |
US2002189714(A1) |
申请公布日期 |
2002.12.19 |
申请号 |
US20010870827 |
申请日期 |
2001.06.01 |
申请人 |
KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.) |
发明人 |
MITANI HIROYUKI;TSUCHIDA TAKEHIRO;SEKI YUICHI;KAGAWA AKIHIKO;SAWAYAMA TETSUYA;SEKI YOSHIKAZU;SATO MASAAKI |
分类号 |
H01F1/24;H01F41/02;(IPC1-7):H01F1/22 |
主分类号 |
H01F1/24 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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