CN104395976A - 稀土类系烧结磁铁的制造方法以及模具 - Google Patents
稀土类系烧结磁铁的制造方法以及模具 Download PDFInfo
- Publication number
- CN104395976A CN104395976A CN201380033530.XA CN201380033530A CN104395976A CN 104395976 A CN104395976 A CN 104395976A CN 201380033530 A CN201380033530 A CN 201380033530A CN 104395976 A CN104395976 A CN 104395976A
- Authority
- CN
- China
- Prior art keywords
- slip
- outer peripheral
- inner peripheral
- chamber
- sintered magnet
- 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.)
- Granted
Links
- 229910052761 rare earth metal Inorganic materials 0.000 title claims abstract description 48
- 150000002910 rare earth metals Chemical class 0.000 title claims abstract description 38
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 37
- 230000002093 peripheral effect Effects 0.000 claims abstract description 185
- 229910045601 alloy Inorganic materials 0.000 claims description 63
- 239000000956 alloy Substances 0.000 claims description 63
- 238000000034 method Methods 0.000 claims description 60
- 239000000843 powder Substances 0.000 claims description 50
- 239000002270 dispersing agent Substances 0.000 claims description 47
- 238000002347 injection Methods 0.000 claims description 17
- 239000007924 injection Substances 0.000 claims description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 13
- 229910052796 boron Inorganic materials 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 5
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 4
- 229910052779 Neodymium Inorganic materials 0.000 claims description 4
- 230000003068 static effect Effects 0.000 claims description 4
- 230000033228 biological regulation Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 claims description 2
- 229910001172 neodymium magnet Inorganic materials 0.000 claims description 2
- 239000002002 slurry Substances 0.000 abstract 2
- 230000000052 comparative effect Effects 0.000 description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 14
- 238000007493 shaping process Methods 0.000 description 12
- 239000003921 oil Substances 0.000 description 9
- 235000019198 oils Nutrition 0.000 description 9
- 239000007789 gas Substances 0.000 description 8
- 239000002480 mineral oil Substances 0.000 description 8
- 235000010446 mineral oil Nutrition 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- 238000005245 sintering Methods 0.000 description 8
- 235000013312 flour Nutrition 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 7
- 229910052757 nitrogen Inorganic materials 0.000 description 7
- 238000010791 quenching Methods 0.000 description 7
- 230000000171 quenching effect Effects 0.000 description 7
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000012298 atmosphere Substances 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 239000001257 hydrogen Substances 0.000 description 6
- 229910052739 hydrogen Inorganic materials 0.000 description 6
- 235000012054 meals Nutrition 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000010298 pulverizing process Methods 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 229910052692 Dysprosium Inorganic materials 0.000 description 4
- 238000005452 bending Methods 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 238000005266 casting Methods 0.000 description 4
- 230000005415 magnetization Effects 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000000178 monomer Substances 0.000 description 4
- 239000012071 phase Substances 0.000 description 4
- 229910052771 Terbium Inorganic materials 0.000 description 3
- 229910017052 cobalt Inorganic materials 0.000 description 3
- 239000010941 cobalt Substances 0.000 description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 229910000851 Alloy steel Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 2
- 229910052777 Praseodymium Inorganic materials 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 238000003556 assay Methods 0.000 description 2
- 238000009749 continuous casting Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 235000015112 vegetable and seed oil Nutrition 0.000 description 2
- 239000008158 vegetable oil Substances 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- 229910052727 yttrium Inorganic materials 0.000 description 2
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 2
- 229910000636 Ce alloy Inorganic materials 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- 229910000722 Didymium Inorganic materials 0.000 description 1
- 241000224487 Didymium Species 0.000 description 1
- 235000019484 Rapeseed oil Nutrition 0.000 description 1
- 235000019485 Safflower oil Nutrition 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 235000005687 corn oil Nutrition 0.000 description 1
- 239000002285 corn oil Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 229910052735 hafnium Inorganic materials 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
- 229910052738 indium Inorganic materials 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 238000007500 overflow downdraw method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000700 radioactive tracer Substances 0.000 description 1
- 235000005713 safflower oil Nutrition 0.000 description 1
- 239000003813 safflower oil Substances 0.000 description 1
- 229910000938 samarium–cobalt magnet Inorganic materials 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 235000012424 soybean oil Nutrition 0.000 description 1
- 239000003549 soybean oil Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 235000020238 sunflower seed Nutrition 0.000 description 1
- 229910000601 superalloy Inorganic materials 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 239000003981 vehicle Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- 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
- B22F3/02—Compacting only
-
- 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
-
- 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
- B22F3/004—Filling molds with powder
-
- 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
- B22F3/02—Compacting only
- B22F3/087—Compacting only using high energy impulses, e.g. magnetic field impulses
-
- 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
- B22F3/22—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip
-
- 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
- B22F3/22—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip
- B22F3/225—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip by injection molding
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/0433—Nickel- or cobalt-based alloys
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/10—Ferrous alloys, e.g. steel alloys containing cobalt
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
- H01F1/06—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder
- H01F1/08—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
- H01F1/086—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together sintered
-
- 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
- H01F41/0273—Imparting anisotropy
-
- 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
- H01F41/0273—Imparting anisotropy
- H01F41/028—Radial anisotropy
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C2202/00—Physical properties
- C22C2202/02—Magnetic
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
- H01F1/047—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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Power Engineering (AREA)
- Powder Metallurgy (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Hard Magnetic Materials (AREA)
Abstract
Description
实施例1 | 实施例2 | 比较例1 | 比较例2 | 比较例3 | |
翘曲量 | 0.1mm | 0.25mm | 1.0mm | 1.2mm | 1.4mm |
Claims (7)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012-146708 | 2012-06-29 | ||
JP2012146708 | 2012-06-29 | ||
PCT/JP2013/067338 WO2014002986A1 (ja) | 2012-06-29 | 2013-06-25 | 希土類系焼結磁石の製造方法及び金型 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104395976A true CN104395976A (zh) | 2015-03-04 |
CN104395976B CN104395976B (zh) | 2017-06-09 |
Family
ID=49783132
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201380033530.XA Active CN104395976B (zh) | 2012-06-29 | 2013-06-25 | 稀土类系烧结磁铁的制造方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20150125337A1 (zh) |
EP (1) | EP2869318B1 (zh) |
JP (1) | JP5999181B2 (zh) |
CN (1) | CN104395976B (zh) |
WO (1) | WO2014002986A1 (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018050045A (ja) * | 2016-09-16 | 2018-03-29 | Tdk株式会社 | 焼結磁石 |
JP7331356B2 (ja) * | 2018-12-14 | 2023-08-23 | Tdk株式会社 | 永久磁石および回転電機 |
JP2020096484A (ja) * | 2018-12-14 | 2020-06-18 | Tdk株式会社 | 永久磁石および回転電機 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5194406A (ja) * | 1975-02-19 | 1976-08-19 | Jiseifunmatsuseikeipuresuyokanagata | |
JPH05135937A (ja) * | 1991-11-13 | 1993-06-01 | Kawasaki Steel Corp | 異方性セグメント型磁石 |
US5489343A (en) * | 1993-01-29 | 1996-02-06 | Hitachi Metals, Ltd. | Method for producing R-Fe-B-based, sintered magnet |
JPH09327813A (ja) * | 1996-06-07 | 1997-12-22 | Sumitomo Metal Ind Ltd | 断面弓形状磁性材料の粉末圧縮成形方法 |
CN1054458C (zh) * | 1990-11-30 | 2000-07-12 | 因太金属株式会社 | 制造永磁铁的方法和装置及用于在磁场作用下成型的橡胶模具 |
JP2005079401A (ja) * | 2003-09-01 | 2005-03-24 | Ms Consulting:Kk | 磁気異方性焼結フェライト磁石の製造方法 |
CN200963678Y (zh) * | 2006-10-16 | 2007-10-24 | 安徽龙磁科技有限责任公司 | 永磁铁氧体湿压磁瓦自动注料成型模具 |
CN201735792U (zh) * | 2010-07-29 | 2011-02-09 | 成都图南电子有限公司 | 一种磁瓦成型模具结构 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS593248B2 (ja) * | 1976-04-02 | 1984-01-23 | 日立金属株式会社 | 陶磁器材料から物品を製造する方法および装置 |
ATE138222T1 (de) * | 1990-11-30 | 1996-06-15 | Intermetallics Co Ltd | Verfahren und apparat zur dauermagnet-herstellung durch formieren eines grünen und gesinterten kompakts |
JP3012049B2 (ja) * | 1991-10-30 | 2000-02-21 | 川崎製鉄株式会社 | 異方性セグメント型磁石 |
JPH06188138A (ja) * | 1992-12-16 | 1994-07-08 | Hitachi Metals Ltd | 湿式成形方法及びその装置 |
JP2859517B2 (ja) * | 1993-08-12 | 1999-02-17 | 日立金属株式会社 | 希土類磁石の製造方法 |
JP3116885B2 (ja) | 1998-01-27 | 2000-12-11 | 日立金属株式会社 | 希土類永久磁石の製造方法及び希土類永久磁石 |
US6635120B2 (en) * | 2000-09-14 | 2003-10-21 | Hitachi Metals, Ltd. | Method for producing sintered rare earth magnet and sintered ring magnet |
JP2002134314A (ja) * | 2000-10-20 | 2002-05-10 | Toda Kogyo Corp | 異方性セグメント形状磁石及びその成形金型磁気回路装置 |
JP4706872B2 (ja) * | 2002-10-08 | 2011-06-22 | 日立金属株式会社 | 焼結型永久磁石の製造方法及び金型 |
JP4391897B2 (ja) * | 2004-07-01 | 2009-12-24 | インターメタリックス株式会社 | 磁気異方性希土類焼結磁石の製造方法及び製造装置 |
JP2007203577A (ja) | 2006-02-01 | 2007-08-16 | Tdk Corp | 磁場中成形装置、金型、磁場中成形方法 |
JP2009111169A (ja) | 2007-10-30 | 2009-05-21 | Tdk Corp | 磁石の製造方法、これにより得られる磁石及び磁石用成形体の製造装置 |
JP2010215992A (ja) * | 2009-03-18 | 2010-09-30 | Tdk Corp | 磁石用成形体及び焼結磁石の製造方法、並びに磁石用成形体の製造装置。 |
JP2010240956A (ja) * | 2009-04-03 | 2010-10-28 | Tdk Corp | 磁場射出成形装置 |
JP5753689B2 (ja) | 2011-01-06 | 2015-07-22 | 株式会社アルバック | 基板の接着方法及び基板積層体の製造方法 |
-
2013
- 2013-06-25 US US14/411,180 patent/US20150125337A1/en not_active Abandoned
- 2013-06-25 CN CN201380033530.XA patent/CN104395976B/zh active Active
- 2013-06-25 JP JP2014522634A patent/JP5999181B2/ja active Active
- 2013-06-25 WO PCT/JP2013/067338 patent/WO2014002986A1/ja active Application Filing
- 2013-06-25 EP EP13808911.5A patent/EP2869318B1/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5194406A (ja) * | 1975-02-19 | 1976-08-19 | Jiseifunmatsuseikeipuresuyokanagata | |
CN1054458C (zh) * | 1990-11-30 | 2000-07-12 | 因太金属株式会社 | 制造永磁铁的方法和装置及用于在磁场作用下成型的橡胶模具 |
JPH05135937A (ja) * | 1991-11-13 | 1993-06-01 | Kawasaki Steel Corp | 異方性セグメント型磁石 |
US5489343A (en) * | 1993-01-29 | 1996-02-06 | Hitachi Metals, Ltd. | Method for producing R-Fe-B-based, sintered magnet |
JPH09327813A (ja) * | 1996-06-07 | 1997-12-22 | Sumitomo Metal Ind Ltd | 断面弓形状磁性材料の粉末圧縮成形方法 |
JP2005079401A (ja) * | 2003-09-01 | 2005-03-24 | Ms Consulting:Kk | 磁気異方性焼結フェライト磁石の製造方法 |
CN200963678Y (zh) * | 2006-10-16 | 2007-10-24 | 安徽龙磁科技有限责任公司 | 永磁铁氧体湿压磁瓦自动注料成型模具 |
CN201735792U (zh) * | 2010-07-29 | 2011-02-09 | 成都图南电子有限公司 | 一种磁瓦成型模具结构 |
Also Published As
Publication number | Publication date |
---|---|
EP2869318A4 (en) | 2016-04-06 |
US20150125337A1 (en) | 2015-05-07 |
CN104395976B (zh) | 2017-06-09 |
EP2869318A1 (en) | 2015-05-06 |
JPWO2014002986A1 (ja) | 2016-06-02 |
JP5999181B2 (ja) | 2016-09-28 |
EP2869318B1 (en) | 2019-04-10 |
WO2014002986A1 (ja) | 2014-01-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5880569B2 (ja) | R−t−b系合金薄片及びその製造方法、並びにr−t−b系焼結磁石の製造方法 | |
JP4591633B2 (ja) | ナノコンポジットバルク磁石およびその製造方法 | |
CN105448444A (zh) | 一种制备性能改善的稀土永磁材料的方法及稀土永磁材料 | |
JP5939302B2 (ja) | 希土類系焼結磁石の製造方法および成形装置 | |
CN104395976A (zh) | 稀土类系烧结磁铁的制造方法以及模具 | |
JP5967203B2 (ja) | 希土類系焼結磁石の製造方法および成形装置 | |
CN104428854B (zh) | 稀土类烧结磁体的制造方法 | |
WO2021193115A1 (ja) | 希土類系焼結磁石の製造方法および湿式成形装置 | |
CN104112560B (zh) | 低成本42h和35sh烧结钕铁硼永磁体及其制备方法 | |
JP2006165008A (ja) | R−t−b系焼結磁石の製造方法 | |
JP2005209934A (ja) | 希土類焼結磁石の製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB02 | Change of applicant information |
Address after: Japan's Tokyo port harbor 2 chome No. 70 Applicant after: Hitachi Metals Co., Ltd. Address before: Tokyo, Japan Applicant before: Hitachi Metals Co., Ltd. |
|
COR | Change of bibliographic data | ||
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20150304 Assignee: Hitachi metal ring Ci material (Nantong) Co. Ltd. Assignor: Hitachi Metals Contract record no.: 2017990000034 Denomination of invention: Production method and mold for rare earth sintered magnet License type: Common License Record date: 20170209 |
|
LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CI03 | Correction of invention patent |
Correction item: A transferee of the entry into force of the contract Correct: Hitachi metal ring magnets (Nantong) Co. Ltd. False: Hitachi metal ring Ci material (Nantong) Co. Ltd. Number: 11 Volume: 33 |
|
CI03 | Correction of invention patent |