JP2005527989A - ナノ結晶性希土類永久磁石材料、ナノコンポジット希土類永久磁石材料、およびこれら磁石材料の製造法 - Google Patents
ナノ結晶性希土類永久磁石材料、ナノコンポジット希土類永久磁石材料、およびこれら磁石材料の製造法 Download PDFInfo
- Publication number
- JP2005527989A JP2005527989A JP2005506131A JP2005506131A JP2005527989A JP 2005527989 A JP2005527989 A JP 2005527989A JP 2005506131 A JP2005506131 A JP 2005506131A JP 2005506131 A JP2005506131 A JP 2005506131A JP 2005527989 A JP2005527989 A JP 2005527989A
- Authority
- JP
- Japan
- Prior art keywords
- magnet material
- magnet
- rare earth
- alloy
- combinations
- 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.)
- Pending
Links
- 239000000463 material Substances 0.000 title claims abstract description 175
- 229910052761 rare earth metal Inorganic materials 0.000 title claims abstract description 157
- 150000002910 rare earth metals Chemical class 0.000 title claims abstract description 157
- 239000002114 nanocomposite Substances 0.000 title claims abstract description 78
- 238000000034 method Methods 0.000 title claims abstract description 74
- 239000002245 particle Substances 0.000 claims abstract description 52
- 239000000696 magnetic material Substances 0.000 claims abstract description 25
- 229910045601 alloy Inorganic materials 0.000 claims description 108
- 239000000956 alloy Substances 0.000 claims description 108
- 239000000843 powder Substances 0.000 claims description 86
- 229910052751 metal Inorganic materials 0.000 claims description 46
- 239000002184 metal Substances 0.000 claims description 46
- 239000000203 mixture Substances 0.000 claims description 44
- 238000002844 melting Methods 0.000 claims description 39
- 230000008018 melting Effects 0.000 claims description 39
- 229910052723 transition metal Inorganic materials 0.000 claims description 35
- 150000003624 transition metals Chemical class 0.000 claims description 33
- 150000001875 compounds Chemical class 0.000 claims description 27
- 238000007731 hot pressing Methods 0.000 claims description 23
- 238000004519 manufacturing process Methods 0.000 claims description 22
- 150000002739 metals Chemical class 0.000 claims description 17
- 239000011230 binding agent Substances 0.000 claims description 12
- 229910052718 tin Inorganic materials 0.000 claims description 11
- 229910052727 yttrium Inorganic materials 0.000 claims description 11
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims description 11
- 229910052725 zinc Inorganic materials 0.000 claims description 9
- 229910052742 iron Inorganic materials 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 8
- 239000000654 additive Substances 0.000 claims description 7
- 229910052738 indium Inorganic materials 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 229910052787 antimony Inorganic materials 0.000 claims description 6
- 229910052797 bismuth Inorganic materials 0.000 claims description 6
- 229910052793 cadmium Inorganic materials 0.000 claims description 6
- 229910052733 gallium Inorganic materials 0.000 claims description 6
- 229910052749 magnesium Inorganic materials 0.000 claims description 6
- 229910052692 Dysprosium Inorganic materials 0.000 claims description 5
- 229910052779 Neodymium Inorganic materials 0.000 claims description 5
- 229910052777 Praseodymium Inorganic materials 0.000 claims description 5
- 229910052748 manganese Inorganic materials 0.000 claims description 5
- 229910018134 Al-Mg Inorganic materials 0.000 claims description 4
- 229910018467 Al—Mg Inorganic materials 0.000 claims description 4
- 229910017061 Fe Co Inorganic materials 0.000 claims description 4
- 230000000996 additive effect Effects 0.000 claims description 4
- 229910052758 niobium Inorganic materials 0.000 claims description 4
- 229910052716 thallium Inorganic materials 0.000 claims description 4
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- 229910052684 Cerium Inorganic materials 0.000 claims description 3
- 239000004593 Epoxy Substances 0.000 claims description 3
- 229910052691 Erbium Inorganic materials 0.000 claims description 3
- 229910052693 Europium Inorganic materials 0.000 claims description 3
- 229910052688 Gadolinium Inorganic materials 0.000 claims description 3
- 229910052689 Holmium Inorganic materials 0.000 claims description 3
- 229910001122 Mischmetal Inorganic materials 0.000 claims description 3
- 239000004677 Nylon Substances 0.000 claims description 3
- 229910052772 Samarium Inorganic materials 0.000 claims description 3
- 229910052771 Terbium Inorganic materials 0.000 claims description 3
- 229910052775 Thulium Inorganic materials 0.000 claims description 3
- 229910052769 Ytterbium Inorganic materials 0.000 claims description 3
- 229910052796 boron Inorganic materials 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 3
- 229910052732 germanium Inorganic materials 0.000 claims description 3
- 229910052735 hafnium Inorganic materials 0.000 claims description 3
- 229910052746 lanthanum Inorganic materials 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 229910052715 tantalum Inorganic materials 0.000 claims description 3
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- 229910052720 vanadium Inorganic materials 0.000 claims description 3
- 229910052726 zirconium Inorganic materials 0.000 claims description 3
- 229910018140 Al-Sn Inorganic materials 0.000 claims description 2
- 229910018564 Al—Sn Inorganic materials 0.000 claims description 2
- 229910018137 Al-Zn Inorganic materials 0.000 claims 3
- 229910018573 Al—Zn Inorganic materials 0.000 claims 3
- 229910018117 Al-In Inorganic materials 0.000 claims 2
- 229910018182 Al—Cu Inorganic materials 0.000 claims 2
- 229910018459 Al—Ge Inorganic materials 0.000 claims 2
- 229910018456 Al—In Inorganic materials 0.000 claims 2
- 229910052711 selenium Inorganic materials 0.000 claims 2
- 238000000137 annealing Methods 0.000 abstract description 38
- 238000010438 heat treatment Methods 0.000 abstract description 10
- 238000002425 crystallisation Methods 0.000 description 35
- 230000005347 demagnetization Effects 0.000 description 34
- 230000008025 crystallization Effects 0.000 description 31
- 229910000859 α-Fe Inorganic materials 0.000 description 30
- 230000008569 process Effects 0.000 description 27
- 230000005415 magnetization Effects 0.000 description 26
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 16
- 230000000694 effects Effects 0.000 description 15
- 229910052786 argon Inorganic materials 0.000 description 8
- 239000007789 gas Substances 0.000 description 8
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 7
- 239000002131 composite material Substances 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 6
- 238000002524 electron diffraction data Methods 0.000 description 6
- 230000006872 improvement Effects 0.000 description 6
- 239000002105 nanoparticle Substances 0.000 description 6
- 229910001172 neodymium magnet Inorganic materials 0.000 description 6
- 229910000808 amorphous metal alloy Inorganic materials 0.000 description 5
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 239000013078 crystal Substances 0.000 description 5
- 230000006698 induction Effects 0.000 description 5
- 238000002074 melt spinning Methods 0.000 description 5
- 229910000938 samarium–cobalt magnet Inorganic materials 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 230000002194 synthesizing effect Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 239000000314 lubricant Substances 0.000 description 3
- 229910001004 magnetic alloy Inorganic materials 0.000 description 3
- 238000005551 mechanical alloying Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000003917 TEM image Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000003505 heat denaturation Methods 0.000 description 2
- 239000001307 helium Substances 0.000 description 2
- 229910052734 helium Inorganic materials 0.000 description 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000004627 transmission electron microscopy Methods 0.000 description 2
- NQTSTBMCCAVWOS-UHFFFAOYSA-N 1-dimethoxyphosphoryl-3-phenoxypropan-2-one Chemical compound COP(=O)(OC)CC(=O)COC1=CC=CC=C1 NQTSTBMCCAVWOS-UHFFFAOYSA-N 0.000 description 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- -1 T 17 compound Chemical class 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000009770 conventional sintering Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000009760 electrical discharge machining Methods 0.000 description 1
- 238000002003 electron diffraction Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002159 nanocrystal Substances 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 239000004482 other powder Substances 0.000 description 1
- 238000007750 plasma spraying Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000009725 powder blending Methods 0.000 description 1
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000004626 scanning electron microscopy Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- 238000000101 transmission high energy electron diffraction Methods 0.000 description 1
Images
Classifications
-
- 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
- H01F1/0551—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 in the form of particles, e.g. rapid quenched powders or ribbon flakes
-
- 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
- H01F1/0555—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together
- H01F1/0556—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together pressed
-
- 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
- H01F1/0555—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together
- H01F1/0558—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together bonded together
-
- 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
-
- 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
- H01F1/0576—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 pressed, e.g. hot working
-
- 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
-
- 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
-
- 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
- H01F1/058—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IVa elements, e.g. Gd2Fe14C
-
- 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
- H01F1/059—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and Va elements, e.g. Sm2Fe17N2
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
- H01F41/0266—Moulding; Pressing
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Nanotechnology (AREA)
- Manufacturing & Machinery (AREA)
- Composite Materials (AREA)
- Hard Magnetic Materials (AREA)
- Powder Metallurgy (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US38293602P | 2002-05-24 | 2002-05-24 | |
| US43779103P | 2003-01-03 | 2003-01-03 | |
| US10/397,713 US20040025974A1 (en) | 2002-05-24 | 2003-03-26 | Nanocrystalline and nanocomposite rare earth permanent magnet materials and method of making the same |
| PCT/US2003/016160 WO2004015723A2 (en) | 2002-05-24 | 2003-05-22 | Nanocrystalline and nanocomposite rare earth permanent magnet materials and method of making the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2005527989A true JP2005527989A (ja) | 2005-09-15 |
| JP2005527989A5 JP2005527989A5 (enExample) | 2006-01-12 |
Family
ID=31499309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2005506131A Pending JP2005527989A (ja) | 2002-05-24 | 2003-05-22 | ナノ結晶性希土類永久磁石材料、ナノコンポジット希土類永久磁石材料、およびこれら磁石材料の製造法 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20040025974A1 (enExample) |
| EP (1) | EP1509933A2 (enExample) |
| JP (1) | JP2005527989A (enExample) |
| AU (1) | AU2003279698A1 (enExample) |
| WO (1) | WO2004015723A2 (enExample) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2007018123A1 (ja) * | 2005-08-08 | 2009-02-19 | 日立金属株式会社 | 希土類合金系バインダレス磁石およびその製造方法 |
| JP2011233764A (ja) * | 2010-04-28 | 2011-11-17 | Minebea Co Ltd | 積層型樹脂複合磁石膜の製造方法 |
| JP2017010960A (ja) * | 2015-06-16 | 2017-01-12 | 日産自動車株式会社 | 比抵抗が大きいＳｍＦｅＮ系のメタルボンド磁石成形体 |
| US10242795B2 (en) | 2013-12-26 | 2019-03-26 | Toyota Jidosha Kabushiki Kaisha | Method of manufacturing rare earth magnet |
| JP2019518412A (ja) * | 2016-06-23 | 2019-06-27 | ロベルト・ボッシュ・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツングＲｏｂｅｒｔ Ｂｏｓｃｈ Ｇｍｂｈ | 電気機械のためのロータ、ロータを有する電気機械、およびロータの製造方法 |
| US11177060B2 (en) | 2018-09-18 | 2021-11-16 | Kabushiki Kaisha Toshiba | Permanent magnet, rotary electric machine, and vehicle |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6994755B2 (en) * | 2002-04-29 | 2006-02-07 | University Of Dayton | Method of improving toughness of sintered RE-Fe-B-type, rare earth permanent magnets |
| 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 |
| US20060054245A1 (en) * | 2003-12-31 | 2006-03-16 | Shiqiang Liu | Nanocomposite permanent magnets |
| CA2571401A1 (en) * | 2004-06-30 | 2006-01-12 | University Of Dayton | Anisotropic nanocomposite rare earth permanent magnets and method of making |
| US20090060773A1 (en) * | 2004-10-28 | 2009-03-05 | Kim Hyoung Tae | Manufacture Method of NDFEB Isotropic and Anisotropic Permanent Magnets |
| DE102008008812A1 (de) * | 2008-02-12 | 2009-08-20 | Gottfried Wilhelm Leibniz Universität Hannover | Ferro- oder ferrimagnetische Magnesiumlegierung, deren Herstellung und Verwendungen |
| JP5093215B2 (ja) * | 2009-11-26 | 2012-12-12 | トヨタ自動車株式会社 | 焼結希土類磁石の製造方法 |
| EP2444985B1 (en) | 2010-10-25 | 2018-07-11 | Toyota Jidosha Kabushiki Kaisha | Production method of rare earth magnet |
| CN102290180A (zh) * | 2011-04-26 | 2011-12-21 | 宁波科星材料科技有限公司 | 稀土永磁材料及其制备方法 |
| DE112012005566T8 (de) * | 2012-01-04 | 2014-11-13 | National Institute For Materials Science | Seltenerdnanoverbundmagnet |
| DE102012216668A1 (de) * | 2012-09-18 | 2014-03-20 | Siemens Aktiengesellschaft | Verfahren zum Herstellen eines anisotropen Magneten und anisotroper Magnet |
| CN103794321B (zh) * | 2014-03-04 | 2016-01-06 | 南京信息工程大学 | 一种涂料用镨铁硼永磁材料及制备方法 |
| JP6221978B2 (ja) * | 2014-07-25 | 2017-11-01 | トヨタ自動車株式会社 | 希土類磁石の製造方法 |
| CN106531382B (zh) | 2015-09-10 | 2019-11-05 | 燕山大学 | 一种永磁材料及其制备方法 |
| US20180166190A1 (en) * | 2016-12-14 | 2018-06-14 | Government Of The United States As Represented By The Secretary Of The Air Force | Bulk anisotropic exchange-spring magnets and method of producing the same |
| FR3079673A1 (fr) | 2018-04-03 | 2019-10-04 | Ergosup | Procede et dispositif de stockage et de production d'electricite par voie electrochimique a partir d'hydrogene gazeux, kit comprenant ce dispositif et des consommables |
| CN114101654B (zh) * | 2021-09-16 | 2023-06-16 | 华北理工大学 | 一种高性能SmFe12基永磁粉体及其制备方法 |
| CN118888236A (zh) * | 2024-07-09 | 2024-11-01 | 中国科学院宁波材料技术与工程研究所 | 一种提升钐钴永磁材料磁性能的方法 |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR900006533B1 (ko) * | 1987-01-06 | 1990-09-07 | 히다찌 긴조꾸 가부시끼가이샤 | 이방성 자성분말과 이의 자석 및 이의 제조방법 |
| JP2741508B2 (ja) * | 1988-02-29 | 1998-04-22 | 住友特殊金属株式会社 | 磁気異方性焼結磁石とその製造方法 |
| US5858123A (en) * | 1995-07-12 | 1999-01-12 | Hitachi Metals, Ltd. | Rare earth permanent magnet and method for producing the same |
| US6332933B1 (en) * | 1997-10-22 | 2001-12-25 | Santoku Corporation | Iron-rare earth-boron-refractory metal magnetic nanocomposites |
| US6302972B1 (en) * | 1998-12-07 | 2001-10-16 | Sumitomo Special Metals Co., Ltd | Nanocomposite magnet material and method for producing nanocomposite magnet |
| US6319334B1 (en) * | 1998-12-17 | 2001-11-20 | Shin-Etsu Chemical Co., Ltd. | Rare earth/iron/boron-based permanent magnet and method for the preparation thereof |
| 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 |
| WO2001091139A1 (en) * | 2000-05-24 | 2001-11-29 | Sumitomo Special Metals Co., Ltd. | Permanent magnet including multiple ferromagnetic phases and method for producing the magnet |
| TW503409B (en) * | 2000-05-29 | 2002-09-21 | Daido Steel Co Ltd | Isotropic powdery magnet material, process for preparing and resin-bonded magnet |
| JP3611108B2 (ja) * | 2000-05-30 | 2005-01-19 | セイコーエプソン株式会社 | 冷却ロールおよび薄帯状磁石材料 |
| US6790296B2 (en) * | 2000-11-13 | 2004-09-14 | Neomax Co., Ltd. | Nanocomposite magnet and method for producing same |
| US7217328B2 (en) * | 2000-11-13 | 2007-05-15 | Neomax Co., Ltd. | Compound for rare-earth bonded magnet and bonded magnet using the compound |
| US7208097B2 (en) * | 2001-05-15 | 2007-04-24 | Neomax Co., Ltd. | Iron-based rare earth alloy nanocomposite magnet and method for producing the same |
| JP3983999B2 (ja) * | 2001-05-17 | 2007-09-26 | 日産自動車株式会社 | 異方性交換スプリング磁石の製造方法とこれを備えてなるモータ |
| US6833036B2 (en) * | 2001-06-29 | 2004-12-21 | Tdk Corporation | Rare earth permanent magnet |
| WO2003052778A1 (en) * | 2001-12-18 | 2003-06-26 | Showa Denko K.K. | Alloy flake for rare earth magnet, production method thereof, alloy powder for rare earth sintered magnet, rare earth sintered magnet, alloy powder for bonded magnet and bonded magnet |
| CA2571401A1 (en) * | 2004-06-30 | 2006-01-12 | University Of Dayton | Anisotropic nanocomposite rare earth permanent magnets and method of making |
-
2003
- 2003-03-26 US US10/397,713 patent/US20040025974A1/en not_active Abandoned
- 2003-05-22 AU AU2003279698A patent/AU2003279698A1/en not_active Abandoned
- 2003-05-22 WO PCT/US2003/016160 patent/WO2004015723A2/en not_active Ceased
- 2003-05-22 JP JP2005506131A patent/JP2005527989A/ja active Pending
- 2003-05-22 EP EP03773039A patent/EP1509933A2/en not_active Withdrawn
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2007018123A1 (ja) * | 2005-08-08 | 2009-02-19 | 日立金属株式会社 | 希土類合金系バインダレス磁石およびその製造方法 |
| US7938915B2 (en) | 2005-08-08 | 2011-05-10 | Hitachi Metals, Ltd. | Rare earth alloy binderless magnet and method for manufacture thereof |
| JP4732459B2 (ja) * | 2005-08-08 | 2011-07-27 | 日立金属株式会社 | 希土類合金系バインダレス磁石およびその製造方法 |
| JP2011233764A (ja) * | 2010-04-28 | 2011-11-17 | Minebea Co Ltd | 積層型樹脂複合磁石膜の製造方法 |
| US10242795B2 (en) | 2013-12-26 | 2019-03-26 | Toyota Jidosha Kabushiki Kaisha | Method of manufacturing rare earth magnet |
| JP2017010960A (ja) * | 2015-06-16 | 2017-01-12 | 日産自動車株式会社 | 比抵抗が大きいＳｍＦｅＮ系のメタルボンド磁石成形体 |
| JP2019518412A (ja) * | 2016-06-23 | 2019-06-27 | ロベルト・ボッシュ・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツングＲｏｂｅｒｔ Ｂｏｓｃｈ Ｇｍｂｈ | 電気機械のためのロータ、ロータを有する電気機械、およびロータの製造方法 |
| US11177060B2 (en) | 2018-09-18 | 2021-11-16 | Kabushiki Kaisha Toshiba | Permanent magnet, rotary electric machine, and vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2004015723A3 (en) | 2004-05-27 |
| AU2003279698A1 (en) | 2004-02-25 |
| AU2003279698A8 (en) | 2004-02-25 |
| US20040025974A1 (en) | 2004-02-12 |
| WO2004015723A2 (en) | 2004-02-19 |
| EP1509933A2 (en) | 2005-03-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2005527989A (ja) | ナノ結晶性希土類永久磁石材料、ナノコンポジット希土類永久磁石材料、およびこれら磁石材料の製造法 | |
| US20060054245A1 (en) | Nanocomposite permanent magnets | |
| EP0304054A2 (en) | Rare earth-iron-boron magnet powder and process of producing same | |
| US6413327B1 (en) | Nitride type, rare earth magnet materials and bonded magnets formed therefrom | |
| US5750044A (en) | Magnet and bonded magnet | |
| WO1988006797A1 (fr) | Aimant a base de fer-elements de terres rares et procede de production | |
| JPH01704A (ja) | 希土類−鉄系永久磁石 | |
| JP3317646B2 (ja) | 磁石の製造方法 | |
| JPH04245403A (ja) | 希土類−Ｆｅ−Ｃｏ−Ｂ系異方性磁石 | |
| JP2898229B2 (ja) | 磁石、その製造方法およびボンディッド磁石 | |
| JP2000003808A (ja) | 硬磁性材料 | |
| JPH045740B2 (enExample) | ||
| CN100334656C (zh) | 硬质磁性组合物、永久磁体粉末、永久磁体粉末的制造方法以及粘结磁体 | |
| JP3645312B2 (ja) | 磁性材料と製造法 | |
| JPH045739B2 (enExample) | ||
| JPH10312918A (ja) | 磁石およびボンディッド磁石 | |
| JP2586199B2 (ja) | 磁気的異方性および耐食性に優れた希土類―Ｆｅ―Ｃｏ―Ｂ系永久磁石粉末およびボンド磁石 | |
| JPH06124812A (ja) | 窒化物磁性粉とその合成方法 | |
| JP2000286115A (ja) | 磁石の製造方法 | |
| JP3427765B2 (ja) | 希土類−Ｆｅ−Ｃｏ−Ｂ系磁石粉末およびその製造方法並びにこの粉末を用いたボンド磁石 | |
| JPH06112019A (ja) | 窒化物磁性材料 | |
| JPH045738B2 (enExample) | ||
| JP3209291B2 (ja) | 磁性材料とその製造方法 | |
| JPH045737B2 (enExample) | ||
| JP3209292B2 (ja) | 磁性材料とその製造方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20051115 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20051115 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20090108 |
|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20090608 |