JP2008091873A5 - - Google Patents
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- JP2008091873A5 JP2008091873A5 JP2007200323A JP2007200323A JP2008091873A5 JP 2008091873 A5 JP2008091873 A5 JP 2008091873A5 JP 2007200323 A JP2007200323 A JP 2007200323A JP 2007200323 A JP2007200323 A JP 2007200323A JP 2008091873 A5 JP2008091873 A5 JP 2008091873A5
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- Prior art keywords
- iron
- magnetic powder
- rare earth
- atomic
- nitrogen based
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Claims (5)
前記希土類−鉄−窒素系磁性粉末は、一般式:RvFe(100−v−w−x)NwMxで表され、RはYを含むランタノイド元素のうち少なくとも一種、MはZr又はTiであり、
v、wはそれぞれ原子百分率で、
3≦v≦30
5≦w≦15
MがZrの場合、xは原子百分率で、
0<x≦0.5
MがTiの場合、xは原子百分率で、
0<x≦1.5
であることを特徴とする希土類−鉄−窒素系磁性粉末。 A rare earth-iron-nitrogen based magnetic powder having a Th 2 Zn 17 type crystal structure,
The rare earth - iron - nitrogen based magnetic powder has the general formula: represented by R v Fe (100-v- w-x) N w M x, of at least one of the lanthanoid element R including Y, M is Zr or Ti,
v and w are atomic percentages respectively.
3 ≦ v ≦ 30
5 ≦ w ≦ 15
When M is Zr, x is an atomic percentage,
0 <x ≦ 0.5
When M is Ti, x is atomic percentage,
0 <x ≦ 1.5
A rare earth-iron-nitrogen based magnetic powder characterized by
Yを含むランタノイド元素のうちの少なくとも一種の化合物と、鉄の化合物と、Zr化合物又はTi化合物とを溶解した溶液を作製する工程と、
前記溶液に沈殿剤を添加して不溶性塩を生成する工程と、
前記不溶性塩を焼成し希土類元素−鉄−Zrの複合酸化物粉末又は希土類元素−鉄−Tiの複合酸化物粉末を得る工程と、
前記複後酸化物を金属Caにて還元拡散反応を行う工程と、
を有することを特徴とする希土類−鉄−窒素系磁性粉末の作製方法。 A method for producing a rare earth-iron-nitrogen based magnetic powder,
Producing a solution in which at least one compound of lanthanoid elements including Y, an iron compound, and a Zr compound or a Ti compound is dissolved;
Adding a precipitant to the solution to produce an insoluble salt;
Firing the insoluble salt to obtain a rare earth element-iron-Zr complex oxide powder or a rare earth element-iron-Ti complex oxide powder;
Performing a reduction diffusion reaction of the double post-oxide with metal Ca;
A method for producing a rare earth-iron-nitrogen based magnetic powder characterized by comprising:
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007200323A JP4737161B2 (en) | 2006-09-08 | 2007-08-01 | Rare earth-iron-nitrogen based magnetic powder and method for producing the same |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006243585 | 2006-09-08 | ||
JP2006243585 | 2006-09-08 | ||
JP2007200323A JP4737161B2 (en) | 2006-09-08 | 2007-08-01 | Rare earth-iron-nitrogen based magnetic powder and method for producing the same |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2008091873A JP2008091873A (en) | 2008-04-17 |
JP2008091873A5 true JP2008091873A5 (en) | 2010-08-19 |
JP4737161B2 JP4737161B2 (en) | 2011-07-27 |
Family
ID=39375652
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2007200323A Active JP4737161B2 (en) | 2006-09-08 | 2007-08-01 | Rare earth-iron-nitrogen based magnetic powder and method for producing the same |
Country Status (1)
Country | Link |
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JP (1) | JP4737161B2 (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101615465B (en) * | 2008-05-30 | 2012-10-17 | 株式会社日立制作所 | Soft magnetic powder for compact powder body and compact powder body using the same |
JP5218869B2 (en) * | 2011-05-24 | 2013-06-26 | 住友電気工業株式会社 | Rare earth-iron-nitrogen alloy material, method for producing rare earth-iron-nitrogen alloy material, rare earth-iron alloy material, and method for producing rare earth-iron alloy material |
JP5874534B2 (en) * | 2012-05-23 | 2016-03-02 | 日亜化学工業株式会社 | Rare earth-iron-nitrogen based magnetic material and method for producing the same |
JP6244675B2 (en) * | 2013-06-05 | 2017-12-13 | 日亜化学工業株式会社 | Method for producing magnetic particles |
JP6303366B2 (en) * | 2013-09-28 | 2018-04-04 | 日亜化学工業株式会社 | Magnetic particle manufacturing method and magnetic particle |
JP2015113481A (en) * | 2013-12-10 | 2015-06-22 | 住友金属鉱山株式会社 | Manufacturing method of rare earth-transition metal-nitrogen alloy powder, rare earth-transition metal-nitrogen alloy powder obtained by the method, bond magnet composition using the same, and bond magnet |
JP6332259B2 (en) * | 2015-12-24 | 2018-05-30 | 日亜化学工業株式会社 | Anisotropic magnetic powder and method for producing the same |
JP6447768B2 (en) | 2017-05-17 | 2019-01-09 | 日亜化学工業株式会社 | Secondary particle for anisotropic magnetic powder and method for producing anisotropic magnetic powder |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3504735B2 (en) * | 1994-07-25 | 2004-03-08 | 住友特殊金属株式会社 | Method for producing RTMN based anisotropic bonded magnet |
JP3826537B2 (en) * | 1998-01-28 | 2006-09-27 | 日亜化学工業株式会社 | Rare earth bonded magnet and composition for rare earth bonded magnet |
JP4899254B2 (en) * | 2000-05-29 | 2012-03-21 | 大同特殊鋼株式会社 | Isotropic powder magnet material, manufacturing method thereof, and bonded magnet |
JP2002184619A (en) * | 2000-12-12 | 2002-06-28 | Hitachi Metals Ltd | Magnet roll |
-
2007
- 2007-08-01 JP JP2007200323A patent/JP4737161B2/en active Active
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