JP4506565B2 - 希土類金属−鉄−窒素系磁性材料 - Google Patents
希土類金属−鉄−窒素系磁性材料 Download PDFInfo
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- JP4506565B2 JP4506565B2 JP2005158162A JP2005158162A JP4506565B2 JP 4506565 B2 JP4506565 B2 JP 4506565B2 JP 2005158162 A JP2005158162 A JP 2005158162A JP 2005158162 A JP2005158162 A JP 2005158162A JP 4506565 B2 JP4506565 B2 JP 4506565B2
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- iron
- powder
- rare earth
- earth metal
- magnetic
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で表される組成の窒化物を含み、ここに、Rは希土類金属元素を示し、xは、希土類金属元素Rの原子%で3<x<30の範囲で、yは、窒素Nの原子%で5<y<15の範囲にある。
で表される希土類金属Rと鉄Feと窒素Nから成る窒化物であり、希土類金属Rのxは、原子%xは、3〜30の範囲に、Nの原子%yは、5〜15(原子%)の範囲に、残部が主としてFeとされる。
Claims (1)
- 希土類金属−鉄−窒素系磁性材料中の遊離金属鉄の含有量が、X線回折強度比で3%以下であり、前記希土類金属−鉄−窒素系磁性材料の平均粒径は、1〜5μmであり、
前記磁性材料が、下記の一般式で表されることを特徴とする希土類金属−鉄−窒素系磁性材料。
R x Fe 100-x-y N y ・・・・・(1)
(Rは希土類金属元素を示し、xは、希土類金属元素の原子%で3<x<30の範囲で、
yは、窒素Nの原子%で5<y<15の範囲にある)。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2005158162A JP4506565B2 (ja) | 2005-05-30 | 2005-05-30 | 希土類金属−鉄−窒素系磁性材料 |
Applications Claiming Priority (1)
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JP2005158162A JP4506565B2 (ja) | 2005-05-30 | 2005-05-30 | 希土類金属−鉄−窒素系磁性材料 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP13016698A Division JP3777793B2 (ja) | 1998-05-13 | 1998-05-13 | 希土類金属−鉄−窒素系磁性材料の製造方法 |
Publications (2)
Publication Number | Publication Date |
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JP2005290563A JP2005290563A (ja) | 2005-10-20 |
JP4506565B2 true JP4506565B2 (ja) | 2010-07-21 |
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JP2005158162A Expired - Lifetime JP4506565B2 (ja) | 2005-05-30 | 2005-05-30 | 希土類金属−鉄−窒素系磁性材料 |
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JP (1) | JP4506565B2 (ja) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05166614A (ja) * | 1991-12-19 | 1993-07-02 | Tdk Corp | 磁石の製造方法および磁石製造用母合金 |
JPH0897020A (ja) * | 1994-09-27 | 1996-04-12 | Citizen Watch Co Ltd | 希土類−鉄−窒素系永久磁石の製造方法 |
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2005
- 2005-05-30 JP JP2005158162A patent/JP4506565B2/ja not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05166614A (ja) * | 1991-12-19 | 1993-07-02 | Tdk Corp | 磁石の製造方法および磁石製造用母合金 |
JPH0897020A (ja) * | 1994-09-27 | 1996-04-12 | Citizen Watch Co Ltd | 希土類−鉄−窒素系永久磁石の製造方法 |
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JP2005290563A (ja) | 2005-10-20 |
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