JP5267665B2 - 磁性粉末の製造方法及びその製造装置 - Google Patents
磁性粉末の製造方法及びその製造装置 Download PDFInfo
- Publication number
- JP5267665B2 JP5267665B2 JP2011519359A JP2011519359A JP5267665B2 JP 5267665 B2 JP5267665 B2 JP 5267665B2 JP 2011519359 A JP2011519359 A JP 2011519359A JP 2011519359 A JP2011519359 A JP 2011519359A JP 5267665 B2 JP5267665 B2 JP 5267665B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic powder
- hard magnetic
- metal
- chamber
- vapor particles
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000006247 magnetic powder Substances 0.000 title claims description 201
- 238000004519 manufacturing process Methods 0.000 title claims description 46
- 239000002245 particle Substances 0.000 claims description 88
- 239000000443 aerosol Substances 0.000 claims description 63
- 229910052751 metal Inorganic materials 0.000 claims description 60
- 239000002184 metal Substances 0.000 claims description 60
- 239000011261 inert gas Substances 0.000 claims description 52
- 238000010438 heat treatment Methods 0.000 claims description 23
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 22
- 229910052760 oxygen Inorganic materials 0.000 claims description 22
- 239000001301 oxygen Substances 0.000 claims description 22
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 20
- 238000002844 melting Methods 0.000 claims description 19
- 230000008018 melting Effects 0.000 claims description 18
- 150000002910 rare earth metals Chemical class 0.000 claims description 18
- 229910052692 Dysprosium Inorganic materials 0.000 claims description 17
- 229910052771 Terbium Inorganic materials 0.000 claims description 15
- 229910001172 neodymium magnet Inorganic materials 0.000 claims description 13
- 229910052723 transition metal Inorganic materials 0.000 claims description 13
- 150000003624 transition metals Chemical class 0.000 claims description 13
- 229910052782 aluminium Inorganic materials 0.000 claims description 9
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 229910002065 alloy metal Inorganic materials 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 31
- 230000032258 transport Effects 0.000 description 24
- 239000000843 powder Substances 0.000 description 18
- 238000000034 method Methods 0.000 description 13
- 238000005245 sintering Methods 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 6
- 229910045601 alloy Inorganic materials 0.000 description 6
- 239000000956 alloy Substances 0.000 description 6
- 230000005415 magnetization Effects 0.000 description 6
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 229910001882 dioxygen Inorganic materials 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 4
- 239000002105 nanoparticle Substances 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 230000007704 transition Effects 0.000 description 4
- 230000008016 vaporization Effects 0.000 description 4
- 229910052779 Neodymium Inorganic materials 0.000 description 3
- 229910052777 Praseodymium Inorganic materials 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000001089 thermophoresis Methods 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 229910052787 antimony Inorganic materials 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 229910052793 cadmium Inorganic materials 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052733 gallium Inorganic materials 0.000 description 2
- 229910052732 germanium Inorganic materials 0.000 description 2
- 229910052735 hafnium Inorganic materials 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 229910052738 indium Inorganic materials 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000006249 magnetic particle Substances 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229910052758 niobium Inorganic materials 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229910052763 palladium Inorganic materials 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 229910052715 tantalum Inorganic materials 0.000 description 2
- 229910052718 tin Inorganic materials 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- FWQVINSGEXZQHB-UHFFFAOYSA-K trifluorodysprosium Chemical compound F[Dy](F)F FWQVINSGEXZQHB-UHFFFAOYSA-K 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 229910052720 vanadium Inorganic materials 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 229910052726 zirconium Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- 229910052691 Erbium Inorganic materials 0.000 description 1
- 229910052693 Europium Inorganic materials 0.000 description 1
- 229910052688 Gadolinium Inorganic materials 0.000 description 1
- 229910052689 Holmium Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910052765 Lutetium Inorganic materials 0.000 description 1
- 229910052772 Samarium Inorganic materials 0.000 description 1
- 229910052769 Ytterbium Inorganic materials 0.000 description 1
- 238000012387 aerosolization Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000006023 eutectic alloy Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 150000002222 fluorine compounds Chemical class 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 238000004093 laser heating Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- -1 or Pr Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000700 radioactive tracer Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 229910052706 scandium Inorganic materials 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010301 surface-oxidation reaction Methods 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/17—Metallic particles coated with metal
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
- H01F1/047—Alloys characterised by their composition
- H01F1/053—Alloys characterised by their composition containing rare earth metals
- H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
- H01F1/057—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
- H01F1/0571—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes
- H01F1/0572—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes with a protective layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/003—Apparatus, e.g. furnaces
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C2202/00—Physical properties
- C22C2202/02—Magnetic
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
- H01F1/06—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder
- H01F1/08—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
- H01F1/086—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together sintered
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Power Engineering (AREA)
- Powder Metallurgy (AREA)
- Hard Magnetic Materials (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2009/061076 WO2010146680A1 (ja) | 2009-06-18 | 2009-06-18 | 磁性粉末の製造方法及びその製造装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2010146680A1 JPWO2010146680A1 (ja) | 2012-11-29 |
JP5267665B2 true JP5267665B2 (ja) | 2013-08-21 |
Family
ID=43356018
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011519359A Active JP5267665B2 (ja) | 2009-06-18 | 2009-06-18 | 磁性粉末の製造方法及びその製造装置 |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2444984B1 (de) |
JP (1) | JP5267665B2 (de) |
CN (1) | CN102804296B (de) |
WO (1) | WO2010146680A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5739093B2 (ja) * | 2009-09-10 | 2015-06-24 | 株式会社豊田中央研究所 | 希土類磁石とその製造方法および磁石複合部材 |
JP5873471B2 (ja) * | 2013-10-29 | 2016-03-01 | 大陽日酸株式会社 | 複合超微粒子の製造方法 |
JP6552283B2 (ja) * | 2015-06-02 | 2019-07-31 | Dowaエレクトロニクス株式会社 | 磁性コンパウンド、アンテナおよび電子機器 |
CN106229102B (zh) * | 2016-08-23 | 2019-05-31 | 南京工程学院 | 一种超细晶NdFeB永磁材料及其制备方法 |
DE102017215265A1 (de) * | 2017-08-31 | 2019-02-28 | Siemens Aktiengesellschaft | Verfahren zur Herstellung eines Permanentmagneten, Permanentmagnet, elektrische Maschine, Medizingerät und Elektrofahrzeug |
CN107876791A (zh) * | 2017-10-27 | 2018-04-06 | 内蒙古盛本荣科技有限公司 | 生产粉体的装置及其方法 |
CN109954876B (zh) * | 2019-05-14 | 2020-06-16 | 广东工业大学 | 一种抗氧化微纳铜材料的制备方法 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02125402A (ja) * | 1988-11-04 | 1990-05-14 | Seiko Epson Corp | 磁性粉末およびその製造方法 |
JPH0614296A (ja) * | 1992-06-25 | 1994-01-21 | Canon Inc | 映像信号処理装置 |
JPH07132223A (ja) * | 1993-11-09 | 1995-05-23 | Agency Of Ind Science & Technol | 微粒子複合体の製造方法 |
JP2003183847A (ja) * | 2001-10-11 | 2003-07-03 | National Institute Of Advanced Industrial & Technology | 複合構造物作製方法及び複合構造物作製装置 |
JP2003211030A (ja) * | 2001-11-16 | 2003-07-29 | National Institute Of Advanced Industrial & Technology | 複合構造物作製方法及び複合構造物作製装置 |
JP2004296609A (ja) * | 2003-03-26 | 2004-10-21 | National Institute Of Advanced Industrial & Technology | 永久磁石膜 |
JP2005203653A (ja) * | 2004-01-19 | 2005-07-28 | Yaskawa Electric Corp | 磁石製造方法およびこれに用いる超微粒子磁性粉の製造方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2853838B2 (ja) | 1991-06-04 | 1999-02-03 | 信越化学工業株式会社 | 希土類永久磁石の製造方法 |
JP3179821B2 (ja) * | 1991-11-25 | 2001-06-25 | 日清製粉株式会社 | 超微粒子で表面が被覆された粒子の製造方法および装置 |
JP2001254168A (ja) * | 2000-03-10 | 2001-09-18 | Kinya Adachi | 磁性材料の表面防錆ならびに高性能化処理 |
JP4654709B2 (ja) * | 2004-07-28 | 2011-03-23 | 株式会社日立製作所 | 希土類磁石 |
JP4702546B2 (ja) | 2005-03-23 | 2011-06-15 | 信越化学工業株式会社 | 希土類永久磁石 |
-
2009
- 2009-06-18 JP JP2011519359A patent/JP5267665B2/ja active Active
- 2009-06-18 EP EP09846173.4A patent/EP2444984B1/de active Active
- 2009-06-18 WO PCT/JP2009/061076 patent/WO2010146680A1/ja active Application Filing
- 2009-06-18 CN CN200980159907.XA patent/CN102804296B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02125402A (ja) * | 1988-11-04 | 1990-05-14 | Seiko Epson Corp | 磁性粉末およびその製造方法 |
JPH0614296A (ja) * | 1992-06-25 | 1994-01-21 | Canon Inc | 映像信号処理装置 |
JPH07132223A (ja) * | 1993-11-09 | 1995-05-23 | Agency Of Ind Science & Technol | 微粒子複合体の製造方法 |
JP2003183847A (ja) * | 2001-10-11 | 2003-07-03 | National Institute Of Advanced Industrial & Technology | 複合構造物作製方法及び複合構造物作製装置 |
JP2003211030A (ja) * | 2001-11-16 | 2003-07-29 | National Institute Of Advanced Industrial & Technology | 複合構造物作製方法及び複合構造物作製装置 |
JP2004296609A (ja) * | 2003-03-26 | 2004-10-21 | National Institute Of Advanced Industrial & Technology | 永久磁石膜 |
JP2005203653A (ja) * | 2004-01-19 | 2005-07-28 | Yaskawa Electric Corp | 磁石製造方法およびこれに用いる超微粒子磁性粉の製造方法 |
Also Published As
Publication number | Publication date |
---|---|
EP2444984A1 (de) | 2012-04-25 |
WO2010146680A1 (ja) | 2010-12-23 |
CN102804296A (zh) | 2012-11-28 |
JPWO2010146680A1 (ja) | 2012-11-29 |
EP2444984A4 (de) | 2015-01-14 |
CN102804296B (zh) | 2015-04-15 |
EP2444984B1 (de) | 2018-04-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5267665B2 (ja) | 磁性粉末の製造方法及びその製造装置 | |
JP5477282B2 (ja) | R−t−b系焼結磁石およびその製造方法 | |
Lee et al. | Synthesis of Mn–Al alloy nanoparticles by plasma arc discharge | |
JP2007329331A (ja) | R−Fe−B系希土類焼結磁石およびその製造方法 | |
JP4962198B2 (ja) | R−Fe−B系希土類焼結磁石およびその製造方法 | |
WO2012099186A1 (ja) | R-t-b系焼結磁石の製造方法 | |
WO2007088718A1 (ja) | R-Fe-B系希土類焼結磁石およびその製造方法 | |
WO2007102391A1 (ja) | R-Fe-B系希土類焼結磁石およびその製造方法 | |
JP2007258455A (ja) | R−Fe−B系希土類焼結磁石およびその製造方法 | |
JP5348124B2 (ja) | R−Fe−B系希土類焼結磁石の製造方法およびその方法によって製造された希土類焼結磁石 | |
WO2014101880A1 (zh) | 基于蒸镀处理的稀土磁铁用合金粉末的制造方法和稀土磁铁的制造方法 | |
JP6455238B2 (ja) | 保磁力に優れたSmFeN磁石 | |
CN107808768B (zh) | 磁体镀膜装置及方法 | |
JP5146552B2 (ja) | R−Fe−B系希土類焼結磁石およびその製造方法 | |
JP6573708B2 (ja) | R−Fe−B系焼結磁性体の製造方法及びその製造装置 | |
WO2018096733A1 (ja) | 希土類鉄窒素系磁性粉末とその製造方法 | |
CN108305735A (zh) | 高性能高电阻率烧结钐钴永磁材料、其制备方法与应用 | |
CN108022710A (zh) | 铁基软磁非晶合金块材与制备方法及其应用 | |
CN104043834B (zh) | 使用热压利用减少的镝或铽制造Nd-Fe-B磁体 | |
JP2006351688A (ja) | サマリウム−鉄−窒素系磁石微粉末の製造方法 | |
JP2009149916A (ja) | 真空蒸気処理装置 | |
CN106683814A (zh) | 钕铁硼磁体粉末的制备方法 | |
CN106103776B (zh) | 含稀土的合金铸片、其制造方法和烧结磁体 | |
JP2012204823A (ja) | 希土類焼結磁石の製造方法 | |
US9136049B2 (en) | Magnesium—aluminium magnetic powder and method for making same |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20130409 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20130422 |
|
R151 | Written notification of patent or utility model registration |
Ref document number: 5267665 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R151 |