JP4243413B2 - 磁石粉末の製造方法およびボンド磁石の製造方法 - Google Patents
磁石粉末の製造方法およびボンド磁石の製造方法 Download PDFInfo
- Publication number
- JP4243413B2 JP4243413B2 JP2000162552A JP2000162552A JP4243413B2 JP 4243413 B2 JP4243413 B2 JP 4243413B2 JP 2000162552 A JP2000162552 A JP 2000162552A JP 2000162552 A JP2000162552 A JP 2000162552A JP 4243413 B2 JP4243413 B2 JP 4243413B2
- Authority
- JP
- Japan
- Prior art keywords
- magnet
- bonded magnet
- magnet powder
- atomic
- bonded
- 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.)
- Expired - Fee Related
Links
- 239000000843 powder Substances 0.000 title claims description 93
- 238000004519 manufacturing process Methods 0.000 title claims description 38
- 238000001816 cooling Methods 0.000 claims description 37
- 230000004907 flux Effects 0.000 claims description 35
- 229920005989 resin Polymers 0.000 claims description 30
- 239000011347 resin Substances 0.000 claims description 30
- 239000002344 surface layer Substances 0.000 claims description 25
- 239000013078 crystal Substances 0.000 claims description 20
- 229910045601 alloy Inorganic materials 0.000 claims description 19
- 239000000956 alloy Substances 0.000 claims description 19
- 230000002093 peripheral effect Effects 0.000 claims description 19
- 239000002131 composite material Substances 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 18
- 238000000748 compression moulding Methods 0.000 claims description 16
- 238000010438 heat treatment Methods 0.000 claims description 16
- 239000011230 binding agent Substances 0.000 claims description 15
- 229910052751 metal Inorganic materials 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 15
- 238000010791 quenching Methods 0.000 claims description 15
- 230000000171 quenching effect Effects 0.000 claims description 15
- 230000002427 irreversible effect Effects 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 9
- 229910052804 chromium Inorganic materials 0.000 claims description 7
- 229910052721 tungsten Inorganic materials 0.000 claims description 7
- 229910052735 hafnium Inorganic materials 0.000 claims description 6
- 229910052748 manganese Inorganic materials 0.000 claims description 6
- 229910052750 molybdenum Inorganic materials 0.000 claims description 6
- 229910052758 niobium Inorganic materials 0.000 claims description 6
- 229910052719 titanium Inorganic materials 0.000 claims description 6
- 229910052720 vanadium Inorganic materials 0.000 claims description 6
- 229910052726 zirconium Inorganic materials 0.000 claims description 6
- 239000000155 melt Substances 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 239000007769 metal material Substances 0.000 claims description 4
- 230000005415 magnetization Effects 0.000 description 24
- 230000005347 demagnetization Effects 0.000 description 17
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 14
- 239000007789 gas Substances 0.000 description 13
- 238000000465 moulding Methods 0.000 description 10
- 150000001875 compounds Chemical class 0.000 description 9
- 230000007797 corrosion Effects 0.000 description 9
- 238000005260 corrosion Methods 0.000 description 9
- -1 Y2OThree Inorganic materials 0.000 description 8
- 230000007423 decrease Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 239000002114 nanocomposite Substances 0.000 description 8
- 229910052786 argon Inorganic materials 0.000 description 7
- 239000000919 ceramic Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 239000011261 inert gas Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000010298 pulverizing process Methods 0.000 description 6
- 229910052761 rare earth metal Inorganic materials 0.000 description 6
- 229920001187 thermosetting polymer Polymers 0.000 description 6
- 239000003822 epoxy resin Substances 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 5
- 239000010410 layer Substances 0.000 description 5
- 229920000647 polyepoxide Polymers 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 229910052692 Dysprosium Inorganic materials 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 229910001873 dinitrogen Inorganic materials 0.000 description 4
- 239000008187 granular material Substances 0.000 description 4
- 239000001307 helium Substances 0.000 description 4
- 229910052734 helium Inorganic materials 0.000 description 4
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 4
- 230000005389 magnetism Effects 0.000 description 4
- 238000005551 mechanical alloying Methods 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 229920005992 thermoplastic resin Polymers 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 239000000470 constituent Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- 239000000696 magnetic material Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 239000010453 quartz Substances 0.000 description 3
- JHWNWJKBPDFINM-UHFFFAOYSA-N Laurolactam Chemical compound O=C1CCCCCCCCCCCN1 JHWNWJKBPDFINM-UHFFFAOYSA-N 0.000 description 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- 229910052779 Neodymium Inorganic materials 0.000 description 2
- 229920000299 Nylon 12 Polymers 0.000 description 2
- 229920000572 Nylon 6/12 Polymers 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004721 Polyphenylene oxide Substances 0.000 description 2
- 239000004734 Polyphenylene sulfide Substances 0.000 description 2
- 229910052777 Praseodymium Inorganic materials 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 229910052733 gallium Inorganic materials 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000004898 kneading Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000006247 magnetic powder Substances 0.000 description 2
- 239000005011 phenolic resin Substances 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 229920006122 polyamide resin Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 239000009719 polyimide resin Substances 0.000 description 2
- 229920000069 polyphenylene sulfide Polymers 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 150000002910 rare earth metals Chemical group 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 229920002050 silicone resin Polymers 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 229910052723 transition metal Inorganic materials 0.000 description 2
- 150000003624 transition metals Chemical class 0.000 description 2
- 229910017083 AlN Inorganic materials 0.000 description 1
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 description 1
- 238000007088 Archimedes method Methods 0.000 description 1
- 229930185605 Bisphenol Natural products 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 229910014813 CaC2 Inorganic materials 0.000 description 1
- 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
- 229920000106 Liquid crystal polymer Polymers 0.000 description 1
- 239000004977 Liquid-crystal polymers (LCPs) Substances 0.000 description 1
- 229910052765 Lutetium Inorganic materials 0.000 description 1
- 239000004640 Melamine resin Substances 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- 229910001122 Mischmetal Inorganic materials 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 229920000571 Nylon 11 Polymers 0.000 description 1
- 229920003189 Nylon 4,6 Polymers 0.000 description 1
- 229920002292 Nylon 6 Polymers 0.000 description 1
- 229920000305 Nylon 6,10 Polymers 0.000 description 1
- 229920002302 Nylon 6,6 Polymers 0.000 description 1
- 239000004696 Poly ether ether ketone Substances 0.000 description 1
- 229930182556 Polyacetal Natural products 0.000 description 1
- 239000004697 Polyetherimide Substances 0.000 description 1
- 229910052772 Samarium Inorganic materials 0.000 description 1
- 241000270295 Serpentes Species 0.000 description 1
- 229910052771 Terbium Inorganic materials 0.000 description 1
- 229910052775 Thulium Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 229920001807 Urea-formaldehyde Polymers 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 229910052769 Ytterbium Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 229910052454 barium strontium titanate Inorganic materials 0.000 description 1
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 description 1
- 229910002113 barium titanate Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009689 gas atomisation Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 229920003986 novolac Polymers 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 229910052574 oxide ceramic Inorganic materials 0.000 description 1
- 239000011224 oxide ceramic Substances 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920001707 polybutylene terephthalate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920002530 polyetherether ketone Polymers 0.000 description 1
- 229920001601 polyetherimide Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920006380 polyphenylene oxide Polymers 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- VEALVRVVWBQVSL-UHFFFAOYSA-N strontium titanate Chemical compound [Sr+2].[O-][Ti]([O-])=O VEALVRVVWBQVSL-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229920006259 thermoplastic polyimide Polymers 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 229920006337 unsaturated polyester resin Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- H01F1/0575—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 pressed, sintered or bonded together
- H01F1/0578—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 pressed, sintered or bonded together bonded together
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y25/00—Nanomagnetism, e.g. magnetoimpedance, anisotropic magnetoresistance, giant magnetoresistance or tunneling magnetoresistance
-
- 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
- H01F1/0579—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B with exchange spin coupling between hard and soft nanophases, e.g. nanocomposite spring magnets
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Power Engineering (AREA)
- Composite Materials (AREA)
- Nanotechnology (AREA)
- Hard Magnetic Materials (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Powder Metallurgy (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000162552A JP4243413B2 (ja) | 2000-05-31 | 2000-05-31 | 磁石粉末の製造方法およびボンド磁石の製造方法 |
| EP01112806A EP1160803A3 (en) | 2000-05-31 | 2001-05-30 | Magnetic powder, manufacturing method of magnetic powder and bonded magnets |
| US09/871,600 US6979374B2 (en) | 2000-05-31 | 2001-05-31 | Magnetic powder, manufacturing method of magnetic powder and bonded magnets |
| TW090113246A TW512369B (en) | 2000-05-31 | 2001-05-31 | Magnetic powder, manufacturing method of magnetic powder and bonded magnets |
| CNB01123167XA CN1180442C (zh) | 2000-05-31 | 2001-05-31 | 磁铁粉末、磁铁粉末的制造方法及粘结磁铁 |
| KR10-2001-0030467A KR100414463B1 (ko) | 2000-05-31 | 2001-05-31 | 자석 분말, 자석 분말의 제조방법 및 결합 자석 |
| US10/719,969 US20040074569A1 (en) | 2000-05-31 | 2003-11-21 | Magnetic powder, manufacturing method of magnetic powder and bonded magnets |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000162552A JP4243413B2 (ja) | 2000-05-31 | 2000-05-31 | 磁石粉末の製造方法およびボンド磁石の製造方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2001345207A JP2001345207A (ja) | 2001-12-14 |
| JP2001345207A5 JP2001345207A5 (enExample) | 2004-11-11 |
| JP4243413B2 true JP4243413B2 (ja) | 2009-03-25 |
Family
ID=18666436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000162552A Expired - Fee Related JP4243413B2 (ja) | 2000-05-31 | 2000-05-31 | 磁石粉末の製造方法およびボンド磁石の製造方法 |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US6979374B2 (enExample) |
| EP (1) | EP1160803A3 (enExample) |
| JP (1) | JP4243413B2 (enExample) |
| KR (1) | KR100414463B1 (enExample) |
| CN (1) | CN1180442C (enExample) |
| TW (1) | TW512369B (enExample) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6527874B2 (en) * | 2000-07-10 | 2003-03-04 | Sumitomo Special Metals Co., Ltd. | Rare earth magnet and method for making same |
| US7371292B2 (en) * | 2002-11-12 | 2008-05-13 | Nissan Motor Co., Ltd. | Nd-Fe-B type anisotropic exchange spring magnet and method of producing the same |
| EP1445778A3 (de) * | 2003-02-05 | 2005-05-04 | Metallux AG | Elektrisch leitendes, magnetisches Pulver |
| TW200536788A (en) * | 2004-05-07 | 2005-11-16 | Spin Technology Corp | Magnetic material containing praseodymium |
| US20090060773A1 (en) * | 2004-10-28 | 2009-03-05 | Kim Hyoung Tae | Manufacture Method of NDFEB Isotropic and Anisotropic Permanent Magnets |
| US20100054981A1 (en) * | 2007-12-21 | 2010-03-04 | Board Of Regents, The University Of Texas System | Magnetic nanoparticles, bulk nanocomposite magnets, and production thereof |
| US9242295B2 (en) | 2007-12-21 | 2016-01-26 | The Univeristy Of Texas At Arlington | Bulk nanocomposite magnets and methods of making bulk nanocomposite magnets |
| WO2010003926A1 (en) * | 2008-07-08 | 2010-01-14 | Technical University Of Denmark | Magnetocaloric refrigerators |
| US20130037740A1 (en) | 2010-03-18 | 2013-02-14 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Nanoheterostructure and method for producing the same |
| JP5884820B2 (ja) * | 2011-03-02 | 2016-03-15 | 日立金属株式会社 | 希土類系ボンド磁石の製造方法 |
| WO2013039216A1 (ja) | 2011-09-16 | 2013-03-21 | 株式会社豊田中央研究所 | ナノヘテロ構造永久磁石およびその製造方法 |
| JP5752094B2 (ja) * | 2012-08-08 | 2015-07-22 | ミネベア株式会社 | フルデンス希土類−鉄系ボンド磁石の製造方法 |
| CN102881396A (zh) * | 2012-09-10 | 2013-01-16 | 虞雪君 | 磁性合金粉末材料 |
| JP7263737B2 (ja) * | 2018-10-30 | 2023-04-25 | 株式会社デンソー | 回転電機 |
Family Cites Families (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5A (en) * | 1836-08-10 | Thomas Blanchard | Machine for mortising solid wooden shells of ships' tackle-blocks | |
| US10A (en) * | 1836-08-10 | Bariah Swift | Dye-wood and dye-stuff cutting and shaving machine | |
| US8A (en) * | 1836-08-10 | T Blanchard | Machine for cutting scores around ships' tackle blocks and dead eyes | |
| US58A (en) * | 1836-10-19 | |||
| US4792368A (en) * | 1982-08-21 | 1988-12-20 | Sumitomo Special Metals Co., Ltd. | Magnetic materials and permanent magnets |
| JPS59116985A (ja) | 1982-11-29 | 1984-07-06 | Fujitsu Ltd | 半導体記憶装置 |
| US4684406A (en) * | 1983-05-21 | 1987-08-04 | Sumitomo Special Metals Co., Ltd. | Permanent magnet materials |
| US4765848A (en) * | 1984-12-31 | 1988-08-23 | Kaneo Mohri | Permanent magnent and method for producing same |
| US4836868A (en) * | 1986-04-15 | 1989-06-06 | Tdk Corporation | Permanent magnet and method of producing same |
| JPS63292601A (ja) * | 1987-05-26 | 1988-11-29 | Seiko Epson Corp | 希土類永久磁石 |
| JPH01103805A (ja) * | 1987-07-30 | 1989-04-20 | Tdk Corp | 永久磁石 |
| JPH01205403A (ja) * | 1988-02-10 | 1989-08-17 | Seiko Epson Corp | 希土類,鉄系樹脂結合型磁石 |
| JPH03196502A (ja) * | 1989-12-26 | 1991-08-28 | Fuji Elelctrochem Co Ltd | 希土類永久磁石 |
| JP3121824B2 (ja) * | 1990-02-14 | 2001-01-09 | ティーディーケイ株式会社 | 焼結永久磁石 |
| JP3296507B2 (ja) * | 1993-02-02 | 2002-07-02 | 日立金属株式会社 | 希土類永久磁石 |
| JP3641021B2 (ja) * | 1995-04-01 | 2005-04-20 | 株式会社Neomax | 高保磁力鉄基永久磁石及びボンド磁石 |
| JP3171558B2 (ja) * | 1995-06-30 | 2001-05-28 | 株式会社東芝 | 磁性材料およびボンド磁石 |
| US5725792A (en) * | 1996-04-10 | 1998-03-10 | Magnequench International, Inc. | Bonded magnet with low losses and easy saturation |
| US5872501A (en) | 1996-07-07 | 1999-02-16 | Toda Kogyo Corporation | Rare earth bonded magnet and rare earth-iron-boron type magnet alloy |
| JPH1053844A (ja) | 1996-08-07 | 1998-02-24 | Toda Kogyo Corp | 希土類−鉄−ボロン系磁石合金及びその製造法並びに該希土類−鉄−ボロン系磁石合金を用いたボンド磁石 |
| JPH10177911A (ja) * | 1996-12-18 | 1998-06-30 | Toda Kogyo Corp | 希土類ボンド磁石 |
| JPH10199717A (ja) * | 1996-12-27 | 1998-07-31 | Daido Steel Co Ltd | 異方性磁石ならびにその製造方法 |
| JP3488358B2 (ja) | 1997-03-27 | 2004-01-19 | 住友特殊金属株式会社 | 微細結晶永久磁石合金及び永久磁石粉末の製造方法 |
| JPH1154306A (ja) * | 1997-07-31 | 1999-02-26 | Seiko Epson Corp | 磁石合金薄帯および樹脂結合ボンド磁石 |
| JPH11288807A (ja) * | 1998-02-06 | 1999-10-19 | Toda Kogyo Corp | ボンド磁石用偏平木の葉状希土類―鉄―ボロン系磁石合金粒子粉末及びその製造法並びにボンド磁石 |
| EP1105889B1 (en) * | 1998-07-13 | 2007-02-21 | Santoku Corporation | High performance iron-rare earth-boron-refractory-cobalt magnetic materials |
| TW505928B (en) * | 1999-06-11 | 2002-10-11 | Seiko Epson Corp | Magnetic powder and isotropic bonded magnet |
| JP3275882B2 (ja) | 1999-07-22 | 2002-04-22 | セイコーエプソン株式会社 | 磁石粉末および等方性ボンド磁石 |
| JP3593939B2 (ja) | 2000-01-07 | 2004-11-24 | セイコーエプソン株式会社 | 磁石粉末および等方性ボンド磁石 |
| JP3593940B2 (ja) | 2000-01-07 | 2004-11-24 | セイコーエプソン株式会社 | 磁石粉末および等方性ボンド磁石 |
| JP2001196210A (ja) * | 2000-01-06 | 2001-07-19 | Seiko Epson Corp | 磁石粉末および等方性ボンド磁石 |
| JP2001196211A (ja) * | 2000-01-06 | 2001-07-19 | Seiko Epson Corp | 磁石粉末および等方性ボンド磁石 |
| JP4243415B2 (ja) * | 2000-06-06 | 2009-03-25 | セイコーエプソン株式会社 | 磁石粉末の製造方法およびボンド磁石の製造方法 |
-
2000
- 2000-05-31 JP JP2000162552A patent/JP4243413B2/ja not_active Expired - Fee Related
-
2001
- 2001-05-30 EP EP01112806A patent/EP1160803A3/en not_active Ceased
- 2001-05-31 TW TW090113246A patent/TW512369B/zh not_active IP Right Cessation
- 2001-05-31 US US09/871,600 patent/US6979374B2/en not_active Expired - Lifetime
- 2001-05-31 KR KR10-2001-0030467A patent/KR100414463B1/ko not_active Expired - Lifetime
- 2001-05-31 CN CNB01123167XA patent/CN1180442C/zh not_active Expired - Lifetime
-
2003
- 2003-11-21 US US10/719,969 patent/US20040074569A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| EP1160803A3 (en) | 2002-08-28 |
| JP2001345207A (ja) | 2001-12-14 |
| KR20010110163A (ko) | 2001-12-12 |
| US20020036032A1 (en) | 2002-03-28 |
| KR100414463B1 (ko) | 2004-01-07 |
| US20040074569A1 (en) | 2004-04-22 |
| EP1160803A2 (en) | 2001-12-05 |
| CN1326199A (zh) | 2001-12-12 |
| US6979374B2 (en) | 2005-12-27 |
| TW512369B (en) | 2002-12-01 |
| CN1180442C (zh) | 2004-12-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3593939B2 (ja) | 磁石粉末および等方性ボンド磁石 | |
| JP3275882B2 (ja) | 磁石粉末および等方性ボンド磁石 | |
| JP3593940B2 (ja) | 磁石粉末および等方性ボンド磁石 | |
| JP4243413B2 (ja) | 磁石粉末の製造方法およびボンド磁石の製造方法 | |
| JP4243415B2 (ja) | 磁石粉末の製造方法およびボンド磁石の製造方法 | |
| JP3951525B2 (ja) | 薄帯状磁石材料、薄帯状磁石材料の製造方法、磁石粉末および希土類ボンド磁石 | |
| JP2001267111A (ja) | 磁石粉末および等方性ボンド磁石 | |
| JP3186746B2 (ja) | 磁石粉末および等方性希土類ボンド磁石 | |
| KR100363371B1 (ko) | 자석 분말 및 등방성 결합된 자석 | |
| JP2001196210A (ja) | 磁石粉末および等方性ボンド磁石 | |
| US6627102B2 (en) | Magnetic powder, manufacturing method of magnetic powder and bonded magnets | |
| JP2001267110A (ja) | 磁石粉末および等方性ボンド磁石 | |
| JP3646777B2 (ja) | 磁石粉末および等方性ボンド磁石 | |
| JP2001274009A (ja) | 磁石粉末および等方性ボンド磁石 | |
| JP2001217110A (ja) | 磁石粉末および等方性ボンド磁石 | |
| JP2001035713A (ja) | 磁石粉末および等方性ボンド磁石 | |
| JP2001057304A (ja) | 磁石粉末および等方性ボンド磁石 | |
| JP2002050510A (ja) | 等方性ボンド磁石および混合粉末 | |
| JP2002043108A (ja) | 薄帯状磁石材料、磁石粉末および希土類ボンド磁石 | |
| JP2001217111A (ja) | 磁石粉末および等方性ボンド磁石 | |
| JP2001176710A (ja) | 薄帯状磁石材料、磁石粉末およびボンド磁石 | |
| JP2002043111A (ja) | 磁石粉末および等方性ボンド磁石 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20051018 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20051122 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A821 Effective date: 20060120 Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20060120 |
|
| RD02 | Notification of acceptance of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7422 Effective date: 20060120 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20060123 |
|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20060329 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20060529 |
|
| A911 | Transfer to examiner for re-examination before appeal (zenchi) |
Free format text: JAPANESE INTERMEDIATE CODE: A911 Effective date: 20060627 |
|
| A912 | Re-examination (zenchi) completed and case transferred to appeal board |
Free format text: JAPANESE INTERMEDIATE CODE: A912 Effective date: 20060804 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20081118 |
|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20090105 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120109 Year of fee payment: 3 |
|
| R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120109 Year of fee payment: 3 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130109 Year of fee payment: 4 |
|
| LAPS | Cancellation because of no payment of annual fees |