CN105185501B - 稀土永磁材料的制造方法 - Google Patents
稀土永磁材料的制造方法 Download PDFInfo
- Publication number
- CN105185501B CN105185501B CN201510546134.8A CN201510546134A CN105185501B CN 105185501 B CN105185501 B CN 105185501B CN 201510546134 A CN201510546134 A CN 201510546134A CN 105185501 B CN105185501 B CN 105185501B
- Authority
- CN
- China
- Prior art keywords
- magnet
- rare
- manufacture method
- sprayed coating
- sintering
- 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
- 238000000034 method Methods 0.000 title claims abstract description 167
- 229910052761 rare earth metal Inorganic materials 0.000 title claims abstract description 142
- 150000002910 rare earth metals Chemical class 0.000 title claims abstract description 125
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 78
- 239000000696 magnetic material Substances 0.000 title claims abstract description 23
- 238000005245 sintering Methods 0.000 claims abstract description 96
- 230000008569 process Effects 0.000 claims abstract description 84
- 238000000576 coating method Methods 0.000 claims abstract description 70
- 238000000889 atomisation Methods 0.000 claims abstract description 49
- 239000011248 coating agent Substances 0.000 claims abstract description 35
- 230000008595 infiltration Effects 0.000 claims abstract description 28
- 238000001764 infiltration Methods 0.000 claims abstract description 28
- 230000032683 aging Effects 0.000 claims description 33
- 229910045601 alloy Inorganic materials 0.000 claims description 26
- 239000000956 alloy Substances 0.000 claims description 26
- 239000000463 material Substances 0.000 claims description 26
- 229910052739 hydrogen Inorganic materials 0.000 claims description 18
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 17
- 229910052771 Terbium Inorganic materials 0.000 claims description 17
- 239000000843 powder Substances 0.000 claims description 17
- 239000002994 raw material Substances 0.000 claims description 17
- 238000000465 moulding Methods 0.000 claims description 16
- 238000010309 melting process Methods 0.000 claims description 12
- 239000003960 organic solvent Substances 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 11
- 229910052692 Dysprosium Inorganic materials 0.000 claims description 10
- 238000002844 melting Methods 0.000 claims description 10
- 230000008018 melting Effects 0.000 claims description 10
- 229910052757 nitrogen Inorganic materials 0.000 claims description 8
- 229910052688 Gadolinium Inorganic materials 0.000 claims description 7
- 229910052689 Holmium Inorganic materials 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 229910052779 Neodymium Inorganic materials 0.000 claims description 6
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 229910052733 gallium Inorganic materials 0.000 claims description 5
- 229910052727 yttrium Inorganic materials 0.000 claims description 5
- 229910052684 Cerium Inorganic materials 0.000 claims description 4
- 229910052691 Erbium Inorganic materials 0.000 claims description 4
- 229910052765 Lutetium Inorganic materials 0.000 claims description 4
- 229910052775 Thulium Inorganic materials 0.000 claims description 4
- 229910052769 Ytterbium Inorganic materials 0.000 claims description 4
- 229910052796 boron Inorganic materials 0.000 claims description 4
- 229910052804 chromium Inorganic materials 0.000 claims description 4
- 229910052731 fluorine Inorganic materials 0.000 claims description 4
- 229910052745 lead Inorganic materials 0.000 claims description 4
- 229910052748 manganese Inorganic materials 0.000 claims description 4
- 229910052750 molybdenum Inorganic materials 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- 229910052758 niobium Inorganic materials 0.000 claims description 4
- 229910052700 potassium Inorganic materials 0.000 claims description 4
- 229910052708 sodium Inorganic materials 0.000 claims description 4
- 229910052715 tantalum Inorganic materials 0.000 claims description 4
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- 229910052721 tungsten Inorganic materials 0.000 claims description 4
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical group [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 3
- 229910052693 Europium Inorganic materials 0.000 claims description 3
- 229910052772 Samarium Inorganic materials 0.000 claims description 3
- 125000002723 alicyclic group Chemical group 0.000 claims description 3
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 claims description 3
- 229910052787 antimony Inorganic materials 0.000 claims description 3
- 229910052790 beryllium Inorganic materials 0.000 claims description 3
- 229910052732 germanium Inorganic materials 0.000 claims description 3
- 229910052735 hafnium Inorganic materials 0.000 claims description 3
- 150000002576 ketones Chemical class 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 229910052698 phosphorus Inorganic materials 0.000 claims description 3
- 229910052706 scandium Inorganic materials 0.000 claims description 3
- 229910052711 selenium Inorganic materials 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 238000004513 sizing Methods 0.000 claims description 3
- 229910052712 strontium Inorganic materials 0.000 claims description 3
- 229910052717 sulfur Inorganic materials 0.000 claims description 3
- 229910052714 tellurium Inorganic materials 0.000 claims description 3
- 229910052718 tin Inorganic materials 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- 229910052726 zirconium Inorganic materials 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000005389 magnetism Effects 0.000 abstract description 12
- 238000010438 heat treatment Methods 0.000 abstract description 10
- 230000009467 reduction Effects 0.000 abstract description 6
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 28
- 239000000523 sample Substances 0.000 description 22
- 239000007789 gas Substances 0.000 description 16
- 239000000243 solution Substances 0.000 description 16
- 239000001257 hydrogen Substances 0.000 description 15
- 229910052786 argon Inorganic materials 0.000 description 14
- 238000009413 insulation Methods 0.000 description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 12
- GZCRRIHWUXGPOV-UHFFFAOYSA-N terbium atom Chemical compound [Tb] GZCRRIHWUXGPOV-UHFFFAOYSA-N 0.000 description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 229910003451 terbium oxide Inorganic materials 0.000 description 10
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 9
- 229910001172 neodymium magnet Inorganic materials 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 8
- 239000010949 copper Substances 0.000 description 7
- 238000003801 milling Methods 0.000 description 7
- 230000033228 biological regulation Effects 0.000 description 6
- 238000005520 cutting process Methods 0.000 description 6
- 235000019441 ethanol Nutrition 0.000 description 6
- 238000001704 evaporation Methods 0.000 description 6
- 230000008020 evaporation Effects 0.000 description 6
- 150000002431 hydrogen Chemical class 0.000 description 6
- 238000003825 pressing Methods 0.000 description 6
- 239000010935 stainless steel Substances 0.000 description 6
- 229910001220 stainless steel Inorganic materials 0.000 description 6
- 125000004429 atom Chemical group 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000003682 fluorination reaction Methods 0.000 description 4
- 235000019580 granularity Nutrition 0.000 description 4
- SCRZPWWVSXWCMC-UHFFFAOYSA-N terbium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[Tb+3].[Tb+3] SCRZPWWVSXWCMC-UHFFFAOYSA-N 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 229910004299 TbF3 Inorganic materials 0.000 description 3
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 238000000498 ball milling Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000006356 dehydrogenation reaction Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 238000000462 isostatic pressing Methods 0.000 description 3
- 239000012466 permeate Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- -1 rare earth metalloid Chemical class 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- LKNRQYTYDPPUOX-UHFFFAOYSA-K trifluoroterbium Chemical compound F[Tb](F)F LKNRQYTYDPPUOX-UHFFFAOYSA-K 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 239000013068 control sample Substances 0.000 description 2
- 230000005347 demagnetization Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- KBQHZAAAGSGFKK-UHFFFAOYSA-N dysprosium atom Chemical compound [Dy] KBQHZAAAGSGFKK-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- KJZYNXUDTRRSPN-UHFFFAOYSA-N holmium atom Chemical compound [Ho] KJZYNXUDTRRSPN-UHFFFAOYSA-N 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000005415 magnetization Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910000521 B alloy Inorganic materials 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 150000001217 Terbium Chemical class 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- ZDVYABSQRRRIOJ-UHFFFAOYSA-N boron;iron Chemical compound [Fe]#B ZDVYABSQRRRIOJ-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 238000007499 fusion processing Methods 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 238000000713 high-energy ball milling Methods 0.000 description 1
- 150000004678 hydrides Chemical class 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052743 krypton Inorganic materials 0.000 description 1
- DNNSSWSSYDEUBZ-UHFFFAOYSA-N krypton atom Chemical compound [Kr] DNNSSWSSYDEUBZ-UHFFFAOYSA-N 0.000 description 1
- OHSVLFRHMCKCQY-UHFFFAOYSA-N lutetium atom Chemical compound [Lu] OHSVLFRHMCKCQY-UHFFFAOYSA-N 0.000 description 1
- 229910052752 metalloid Inorganic materials 0.000 description 1
- 239000011812 mixed powder Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 1
- 229910052754 neon Inorganic materials 0.000 description 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- ULWHHBHJGPPBCO-UHFFFAOYSA-N propane-1,1-diol Chemical class CCC(O)O ULWHHBHJGPPBCO-UHFFFAOYSA-N 0.000 description 1
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- FRNOGLGSGLTDKL-UHFFFAOYSA-N thulium atom Chemical compound [Tm] FRNOGLGSGLTDKL-UHFFFAOYSA-N 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
- NAWDYIZEMPQZHO-UHFFFAOYSA-N ytterbium Chemical compound [Yb] NAWDYIZEMPQZHO-UHFFFAOYSA-N 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
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
- 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
-
- 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
- H01F1/0577—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 sintered
-
- 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
- B22F3/24—After-treatment of workpieces or articles
-
- 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
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/023—Hydrogen absorption
-
- 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
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
-
- 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
- H01F1/0536—Alloys characterised by their composition containing rare earth metals sintered
-
- 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
- H01F41/0293—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 diffusion of rare earth elements, e.g. Tb, Dy or Ho, into permanent magnets
-
- 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
- B22F3/24—After-treatment of workpieces or articles
- B22F2003/248—Thermal after-treatment
-
- 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
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
- B22F2009/044—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling by jet milling
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Hard Magnetic Materials (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Powder Metallurgy (AREA)
Abstract
Description
Claims (10)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510546134.8A CN105185501B (zh) | 2015-08-28 | 2015-08-28 | 稀土永磁材料的制造方法 |
EP16157102.1A EP3109869A1 (en) | 2015-08-28 | 2016-02-24 | Preparation of rare earth permanent magnet material |
US15/060,104 US10381140B2 (en) | 2015-08-28 | 2016-03-03 | Preparation of rare earth permanent magnet material |
JP2016042720A JP6281986B2 (ja) | 2015-08-28 | 2016-03-04 | 希土類永久磁石材料の製造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510546134.8A CN105185501B (zh) | 2015-08-28 | 2015-08-28 | 稀土永磁材料的制造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105185501A CN105185501A (zh) | 2015-12-23 |
CN105185501B true CN105185501B (zh) | 2017-08-11 |
Family
ID=54907521
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510546134.8A Active CN105185501B (zh) | 2015-08-28 | 2015-08-28 | 稀土永磁材料的制造方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US10381140B2 (zh) |
EP (1) | EP3109869A1 (zh) |
JP (1) | JP6281986B2 (zh) |
CN (1) | CN105185501B (zh) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105489368B (zh) * | 2015-12-28 | 2017-10-31 | 宁波市电力设计院有限公司 | 钕铁硼永磁体的制备方法 |
CN105489337B (zh) * | 2016-01-05 | 2019-06-07 | 江苏南方永磁科技有限公司 | 含氮硼复合相磁性材料及制备方法 |
CN105489333B (zh) * | 2016-01-05 | 2018-12-11 | 江苏南方永磁科技有限公司 | 废料回用稀土永磁材料及制备方法 |
CN105803332B (zh) * | 2016-04-22 | 2017-12-12 | 山西三益强磁业股份有限公司 | 高居里温度材料及制备方法 |
CN105810381B (zh) * | 2016-04-22 | 2018-01-12 | 山西三益强磁业股份有限公司 | 高磁能积材料及制备方法 |
CN106548863B (zh) * | 2016-11-02 | 2018-08-31 | 宁波同创强磁材料有限公司 | 一种提高稀土永磁体内禀矫顽力的加工工艺 |
CN108063045B (zh) * | 2016-11-08 | 2020-04-21 | 中国科学院宁波材料技术与工程研究所 | 一种无重稀土钕铁硼永磁材料及其制备方法 |
CN107516595A (zh) * | 2017-09-19 | 2017-12-26 | 江苏晨朗电子集团有限公司 | 一种用于烧结钕铁硼产品的表面渗镝、铽工艺及搅拌装置 |
KR102313049B1 (ko) * | 2017-12-05 | 2021-10-14 | 미쓰비시덴키 가부시키가이샤 | 영구 자석, 영구 자석의 제조 방법, 및 회전기 |
CN108511178B (zh) * | 2018-03-05 | 2019-12-03 | 北京科技大学 | 一种气氛扩散制备高磁性烧结钕铁硼的方法 |
CN110586924A (zh) * | 2018-06-11 | 2019-12-20 | 深圳市冠强粉末冶金制品有限公司 | 一种粉末冶金件的制备工艺 |
CN109590463B (zh) * | 2018-12-18 | 2021-03-09 | 浙江中杭新材料科技有限公司 | 一种高矫顽力钕铁硼磁体的制备方法 |
CN109326436A (zh) * | 2018-12-18 | 2019-02-12 | 王顺良 | 一种双相锰铋永磁材料的方法 |
CN112447350B (zh) * | 2019-08-29 | 2024-05-07 | 比亚迪股份有限公司 | 一种稀土永磁体及其制备方法 |
CN111009368A (zh) * | 2019-11-07 | 2020-04-14 | 宁波合力磁材技术有限公司 | 一种钕铁硼磁性材料及其制备方法 |
KR20210083411A (ko) * | 2019-12-26 | 2021-07-07 | 삼성디스플레이 주식회사 | 유리 기판 화학 강화로 장치 |
CN112908667B (zh) * | 2020-06-29 | 2022-07-15 | 京磁材料科技股份有限公司 | 稀土永磁体的晶界扩散方法 |
CN114141464A (zh) * | 2020-09-03 | 2022-03-04 | 轻能量电子商务科技有限公司 | 磁能材料组成结构 |
CN112007781A (zh) | 2020-09-07 | 2020-12-01 | 烟台首钢磁性材料股份有限公司 | 一种钕铁硼永磁体陶瓷镀层的制备装置及制备方法 |
JP7533395B2 (ja) | 2021-08-18 | 2024-08-14 | 信越化学工業株式会社 | 希土類焼結磁石の製造方法 |
CN114974871B (zh) * | 2022-06-16 | 2023-12-08 | 江西开源自动化设备有限公司 | 高电阻率烧结稀土永磁体的制备方法及其设备 |
CN115020058A (zh) * | 2022-08-05 | 2022-09-06 | 京磁材料科技股份有限公司 | 低成本双低温度系数稀土永磁体及其制备方法 |
CN115565743B (zh) * | 2022-09-19 | 2023-06-02 | 慈溪市新虹实业有限公司 | 一种钕铁硼磁性材料及其制备方法 |
CN117542601B (zh) * | 2023-12-11 | 2024-04-23 | 宁波中杭实业有限公司 | 一种高韧性高铈含量钕铁硼磁体及其制备方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102768898A (zh) * | 2011-05-02 | 2012-11-07 | 信越化学工业株式会社 | 稀土永磁体及其制备方法 |
CN104051101A (zh) * | 2013-03-12 | 2014-09-17 | 北京中科三环高技术股份有限公司 | 一种稀土永磁体及其制备方法 |
CN104599829A (zh) * | 2015-01-05 | 2015-05-06 | 宁波韵升股份有限公司 | 一种提高烧结钕铁硼磁体磁性能的方法 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1360318A (en) * | 1916-11-21 | 1920-11-30 | New England Enameling Co | White-enameled steel vessel |
US6022424A (en) * | 1996-04-09 | 2000-02-08 | Lockheed Martin Idaho Technologies Company | Atomization methods for forming magnet powders |
CN1151517C (zh) * | 2002-02-01 | 2004-05-26 | 钢铁研究总院 | 低温度系数粘结稀土永磁体及其制备方法 |
RU2367045C2 (ru) * | 2004-10-19 | 2009-09-10 | Син-Эцу Кемикал Ко., Лтд. | Получение материала редкоземельного постоянного магнита |
JP4702549B2 (ja) * | 2005-03-23 | 2011-06-15 | 信越化学工業株式会社 | 希土類永久磁石 |
JP2010186857A (ja) * | 2009-02-12 | 2010-08-26 | Hitachi Chem Co Ltd | 希土類フッ化物微粒子分散液及びこの希土類フッ化物微粒子分散液を用いて製造されるフィルム、希土類焼結磁石、希土類磁粉 |
CN101845637B (zh) | 2009-03-25 | 2012-01-04 | 罗阳 | 提高钕铁硼磁体矫顽力的处理方法 |
JP2011051851A (ja) * | 2009-09-03 | 2011-03-17 | Hitachi Chem Co Ltd | 希土類フッ化物微粒子分散液、この分散液の製造方法、この分散液を用いた希土類フッ化物薄膜の製造方法、この分散液を用いた高分子化合物/希土類フッ化物複合フィルムの製造方法、及び、この分散液を用いた希土類焼結磁石 |
CN101707107B (zh) | 2009-11-23 | 2012-05-23 | 烟台首钢磁性材料股份有限公司 | 一种高剩磁高矫顽力稀土永磁材料的制造方法 |
EP2667391B1 (en) * | 2011-01-19 | 2019-03-13 | Hitachi Metals, Ltd. | Method of producing r-t-b sintered magnet |
JP2012174920A (ja) * | 2011-02-22 | 2012-09-10 | Toyota Motor Corp | ネオジム磁石とその製造方法 |
CN102181820A (zh) | 2011-06-16 | 2011-09-14 | 安徽大地熊新材料股份有限公司 | 一种提高钕铁硼磁体材料矫顽力的方法 |
EP2806438B1 (en) * | 2012-01-19 | 2019-03-13 | Hitachi Metals, Ltd. | Method for producing r-t-b sintered magnet |
PH12013000103A1 (en) * | 2012-04-11 | 2015-09-07 | Shinetsu Chemical Co | Rare earth sintered magnet and making method |
JP6107546B2 (ja) * | 2012-08-31 | 2017-04-05 | 信越化学工業株式会社 | 希土類永久磁石の製造方法 |
JP2014135442A (ja) * | 2013-01-11 | 2014-07-24 | Ulvac Japan Ltd | 永久磁石の製造方法 |
JP6303356B2 (ja) * | 2013-09-24 | 2018-04-04 | 大同特殊鋼株式会社 | RFeB系磁石の製造方法 |
KR101548684B1 (ko) * | 2014-04-18 | 2015-09-11 | 고려대학교 산학협력단 | 희토류계 소결 자석의 제조방법 |
CN104134528B (zh) | 2014-07-04 | 2017-03-01 | 宁波韵升股份有限公司 | 一种提高烧结钕铁硼薄片磁体磁性能的方法 |
-
2015
- 2015-08-28 CN CN201510546134.8A patent/CN105185501B/zh active Active
-
2016
- 2016-02-24 EP EP16157102.1A patent/EP3109869A1/en not_active Ceased
- 2016-03-03 US US15/060,104 patent/US10381140B2/en active Active
- 2016-03-04 JP JP2016042720A patent/JP6281986B2/ja active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102768898A (zh) * | 2011-05-02 | 2012-11-07 | 信越化学工业株式会社 | 稀土永磁体及其制备方法 |
CN104051101A (zh) * | 2013-03-12 | 2014-09-17 | 北京中科三环高技术股份有限公司 | 一种稀土永磁体及其制备方法 |
CN104599829A (zh) * | 2015-01-05 | 2015-05-06 | 宁波韵升股份有限公司 | 一种提高烧结钕铁硼磁体磁性能的方法 |
Also Published As
Publication number | Publication date |
---|---|
US10381140B2 (en) | 2019-08-13 |
JP6281986B2 (ja) | 2018-02-21 |
US20170062104A1 (en) | 2017-03-02 |
CN105185501A (zh) | 2015-12-23 |
JP2016122861A (ja) | 2016-07-07 |
EP3109869A1 (en) | 2016-12-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105185501B (zh) | 稀土永磁材料的制造方法 | |
US11482377B2 (en) | Rare earth permanent magnets and their preparation | |
CN1898757B (zh) | 稀土永磁材料的制备方法 | |
CN105185498B (zh) | 稀土永磁材料及其制造方法 | |
EP1970924B1 (en) | Rare earth permanent magnets and their preparation | |
CN105185497B (zh) | 一种永磁材料的制备方法 | |
EP2270822B1 (en) | Rare earth magnet and its preparation | |
CN106128672B (zh) | 一种扩散烧结连续化RE‑Fe‑B磁体及其制备方法 | |
JP4702546B2 (ja) | 希土類永久磁石 | |
CN101317238B (zh) | 稀土永磁体材料的制备方法 | |
KR102137754B1 (ko) | 희토류 영구자석의 제조 방법 | |
EP2650887A2 (en) | Rare earth sintered magnet and making method | |
CN105741995A (zh) | 一种高性能烧结钕铁硼永磁体及其制备方法 | |
KR102137726B1 (ko) | 희토류 영구자석의 제조 방법 | |
JP2018082147A (ja) | R‐Fe‐B系焼結磁石の製造方法 | |
CN105070498A (zh) | 提高磁体矫顽力的方法 | |
EP2892064A1 (en) | Production method for rare earth permanent magnet | |
CN103794323A (zh) | 一种应用高丰度稀土生产的商用稀土永磁体及其制备方法 | |
CN111210962A (zh) | 一种含SmFeN或SmFeC的烧结钕铁硼及其制备方法 | |
CN106548863B (zh) | 一种提高稀土永磁体内禀矫顽力的加工工艺 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
Address after: 014030 No. 8-17 Rare Earth Street, Rare Earth Application Industrial Park, Baotou Rare Earth High-tech Zone, Baotou City, Inner Mongolia Autonomous Region Patentee after: BAOTOU TIANHE MAGNETIC MATERIALS TECHNOLOGY Co.,Ltd. Address before: 014030 No. 8-17 Rare Earth Street, Rare Earth Application Industrial Park, Baotou Rare Earth High-tech Zone, Baotou City, Inner Mongolia Autonomous Region Patentee before: TIANHE (BAOTOU) ADVANCED TECH MAGNET CO.,LTD. |
|
CP01 | Change in the name or title of a patent holder | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Manufacturing method of high-residual magnetism high-coercive force rare earth permanent magnetic material Effective date of registration: 20200306 Granted publication date: 20170811 Pledgee: Inner Mongolia Branch of Northeast small and medium enterprises credit re Guarantee Co.,Ltd. Pledgor: BAOTOU TIANHE MAGNETIC MATERIALS TECHNOLOGY Co.,Ltd. Registration number: Y2020150000006 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210806 Granted publication date: 20170811 Pledgee: Inner Mongolia Branch of Northeast small and medium enterprises credit re Guarantee Co.,Ltd. Pledgor: BAOTOU TIANHE MAGNETIC MATERIALS TECHNOLOGY Co.,Ltd. Registration number: Y2020150000006 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Manufacturing method of rare earth permanent magnet material Effective date of registration: 20211021 Granted publication date: 20170811 Pledgee: Northeast SME financing re Guarantee Co.,Ltd. Inner Mongolia Branch Pledgor: BAOTOU TIANHE MAGNETIC MATERIALS TECHNOLOGY Co.,Ltd. Registration number: Y2021150000068 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230301 Granted publication date: 20170811 Pledgee: Northeast SME financing re Guarantee Co.,Ltd. Inner Mongolia Branch Pledgor: BAOTOU TIANHE MAGNETIC MATERIALS TECHNOLOGY Co.,Ltd. Registration number: Y2021150000068 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right |