ES2879807T3 - Aleación templada rápidamente y procedimiento de preparación para un imán de tierras raras - Google Patents
Aleación templada rápidamente y procedimiento de preparación para un imán de tierras raras Download PDFInfo
- Publication number
- ES2879807T3 ES2879807T3 ES15826755T ES15826755T ES2879807T3 ES 2879807 T3 ES2879807 T3 ES 2879807T3 ES 15826755 T ES15826755 T ES 15826755T ES 15826755 T ES15826755 T ES 15826755T ES 2879807 T3 ES2879807 T3 ES 2879807T3
- Authority
- ES
- Spain
- Prior art keywords
- alloy
- rare earth
- earth magnet
- procedure
- 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.)
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- 239000000956 alloy Substances 0.000 title claims abstract description 78
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 78
- 229910052761 rare earth metal Inorganic materials 0.000 title claims abstract description 44
- 150000002910 rare earth metals Chemical class 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims description 66
- 238000002360 preparation method Methods 0.000 title description 6
- 239000002994 raw material Substances 0.000 claims abstract description 30
- 238000005266 casting Methods 0.000 claims abstract description 8
- 238000001816 cooling Methods 0.000 claims abstract description 8
- 229910052726 zirconium Inorganic materials 0.000 claims abstract description 8
- 239000012535 impurity Substances 0.000 claims abstract description 7
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 6
- 229910052779 Neodymium Inorganic materials 0.000 claims abstract description 5
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 5
- 229910052787 antimony Inorganic materials 0.000 claims abstract description 4
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 4
- 239000012530 fluid Substances 0.000 claims abstract description 4
- 229910052733 gallium Inorganic materials 0.000 claims abstract description 4
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 4
- 229910052758 niobium Inorganic materials 0.000 claims abstract description 4
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 4
- 229910052718 tin Inorganic materials 0.000 claims abstract description 4
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 4
- 229910052720 vanadium Inorganic materials 0.000 claims abstract description 4
- 229910052735 hafnium Inorganic materials 0.000 claims abstract description 3
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 3
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 3
- 239000000843 powder Substances 0.000 claims description 39
- 238000000227 grinding Methods 0.000 claims description 15
- 238000005245 sintering Methods 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 3
- 239000011261 inert gas Substances 0.000 claims description 2
- 238000003860 storage Methods 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 abstract description 12
- 229910052802 copper Inorganic materials 0.000 abstract description 11
- 229910052796 boron Inorganic materials 0.000 abstract description 7
- 230000005415 magnetization Effects 0.000 description 47
- 239000013078 crystal Substances 0.000 description 32
- 239000007789 gas Substances 0.000 description 20
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 20
- 230000007423 decrease Effects 0.000 description 17
- 229910052739 hydrogen Inorganic materials 0.000 description 17
- 239000001257 hydrogen Substances 0.000 description 17
- 238000002844 melting Methods 0.000 description 17
- 230000008018 melting Effects 0.000 description 17
- 238000012360 testing method Methods 0.000 description 17
- 238000005056 compaction Methods 0.000 description 16
- 230000005381 magnetic domain Effects 0.000 description 14
- JGHZJRVDZXSNKQ-UHFFFAOYSA-N methyl octanoate Chemical compound CCCCCCCC(=O)OC JGHZJRVDZXSNKQ-UHFFFAOYSA-N 0.000 description 14
- 238000011156 evaluation Methods 0.000 description 12
- 230000006911 nucleation Effects 0.000 description 10
- 238000010899 nucleation Methods 0.000 description 10
- 150000002431 hydrogen Chemical class 0.000 description 9
- 229910052742 iron Inorganic materials 0.000 description 9
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 8
- 230000001590 oxidative effect Effects 0.000 description 8
- 238000010998 test method Methods 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- 229910052721 tungsten Inorganic materials 0.000 description 7
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 239000002245 particle Substances 0.000 description 5
- 238000010791 quenching Methods 0.000 description 5
- 230000000171 quenching effect Effects 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 229910021577 Iron(II) chloride Inorganic materials 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 230000006698 induction Effects 0.000 description 4
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 description 4
- 238000000462 isostatic pressing Methods 0.000 description 4
- 229910001172 neodymium magnet Inorganic materials 0.000 description 4
- 238000009659 non-destructive testing Methods 0.000 description 4
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 229920006395 saturated elastomer Polymers 0.000 description 4
- 238000005303 weighing Methods 0.000 description 4
- 229910020641 Co Zr Inorganic materials 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 230000000996 additive effect Effects 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 239000006247 magnetic powder Substances 0.000 description 3
- 239000011812 mixed powder Substances 0.000 description 3
- 229910052727 yttrium Inorganic materials 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052692 Dysprosium Inorganic materials 0.000 description 2
- 229910052689 Holmium Inorganic materials 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 238000010902 jet-milling Methods 0.000 description 2
- 238000001000 micrograph Methods 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- 229910052777 Praseodymium Inorganic materials 0.000 description 1
- 229910052771 Terbium Inorganic materials 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 210000001787 dendrite Anatomy 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052715 tantalum Inorganic materials 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
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/02—Making ferrous alloys by powder metallurgy
- C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
- C22C33/0278—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5%
-
- 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
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
-
- 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
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
- H01F1/047—Alloys characterised by their composition
- H01F1/053—Alloys characterised by their composition containing rare earth metals
- H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
- H01F1/057—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
- H01F1/0571—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes
-
- 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
-
- 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
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Power Engineering (AREA)
- Inorganic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Hard Magnetic Materials (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Powder Metallurgy (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410369180.0A CN105321647B (zh) | 2014-07-30 | 2014-07-30 | 稀土磁铁用急冷合金和稀土磁铁的制备方法 |
| PCT/CN2015/085555 WO2016015662A1 (zh) | 2014-07-30 | 2015-07-30 | 稀土磁铁用急冷合金和稀土磁铁的制备方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2879807T3 true ES2879807T3 (es) | 2021-11-23 |
Family
ID=55216782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES15826755T Active ES2879807T3 (es) | 2014-07-30 | 2015-07-30 | Aleación templada rápidamente y procedimiento de preparación para un imán de tierras raras |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US10096413B2 (enExample) |
| EP (1) | EP3176794B1 (enExample) |
| JP (1) | JP6411630B2 (enExample) |
| CN (1) | CN105321647B (enExample) |
| DK (1) | DK3176794T3 (enExample) |
| ES (1) | ES2879807T3 (enExample) |
| WO (1) | WO2016015662A1 (enExample) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016155674A1 (zh) * | 2015-04-02 | 2016-10-06 | 厦门钨业股份有限公司 | 一种含有Ho和W的稀土磁铁 |
| CN106448985A (zh) * | 2015-09-28 | 2017-02-22 | 厦门钨业股份有限公司 | 一种复合含有Pr和W的R‑Fe‑B系稀土烧结磁铁 |
| JP6645219B2 (ja) * | 2016-02-01 | 2020-02-14 | Tdk株式会社 | Ｒ−ｔ−ｂ系焼結磁石用合金、及びｒ−ｔ−ｂ系焼結磁石 |
| US10943717B2 (en) * | 2016-02-26 | 2021-03-09 | Tdk Corporation | R-T-B based permanent magnet |
| JP7056264B2 (ja) * | 2017-03-22 | 2022-04-19 | Tdk株式会社 | Ｒ－ｔ－ｂ系希土類磁石 |
| CN109609833B (zh) * | 2018-12-19 | 2020-02-21 | 北矿科技股份有限公司 | 一种hddr制备钕铁硼材料的方法及制备得到的钕铁硼材料 |
| JP7293772B2 (ja) * | 2019-03-20 | 2023-06-20 | Tdk株式会社 | Ｒ－ｔ－ｂ系永久磁石 |
| US20200303100A1 (en) * | 2019-03-22 | 2020-09-24 | Tdk Corporation | R-t-b based permanent magnet |
| CN111081444B (zh) * | 2019-12-31 | 2021-11-26 | 厦门钨业股份有限公司 | R-t-b系烧结磁体及其制备方法 |
| CN111180159B (zh) * | 2019-12-31 | 2021-12-17 | 厦门钨业股份有限公司 | 一种钕铁硼永磁材料、制备方法、应用 |
| CN111326304B (zh) * | 2020-02-29 | 2021-08-27 | 厦门钨业股份有限公司 | 一种稀土永磁材料及其制备方法和应用 |
| CN111613408B (zh) * | 2020-06-03 | 2022-05-10 | 福建省长汀金龙稀土有限公司 | 一种r-t-b系永磁材料、原料组合物及其制备方法和应用 |
| CN112466643B (zh) * | 2020-10-28 | 2023-02-28 | 杭州永磁集团振泽磁业有限公司 | 一种烧结钕铁硼材料的制备方法 |
| CN113083944B (zh) * | 2021-03-19 | 2024-05-28 | 福建省闽发铝业股份有限公司 | 一种新能源汽车电池盒侧板铝型材的制备方法 |
| CN113083945B (zh) * | 2021-03-19 | 2024-05-28 | 福建省闽发铝业股份有限公司 | 一种新能源汽车电池盒端板铝型材的制备方法 |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5223047A (en) * | 1986-07-23 | 1993-06-29 | Hitachi Metals, Ltd. | Permanent magnet with good thermal stability |
| JP3932143B2 (ja) * | 1992-02-21 | 2007-06-20 | Ｔｄｋ株式会社 | 磁石の製造方法 |
| JPH0745412A (ja) | 1993-07-28 | 1995-02-14 | Sumitomo Special Metals Co Ltd | Ｒ−Ｆｅ−Ｂ系永久磁石材料 |
| US5908513A (en) * | 1996-04-10 | 1999-06-01 | Showa Denko K.K. | Cast alloy used for production of rare earth magnet and method for producing cast alloy and magnet |
| JP3712581B2 (ja) | 1999-02-15 | 2005-11-02 | 信越化学工業株式会社 | 永久磁石用合金薄帯および焼結永久磁石 |
| US6527874B2 (en) * | 2000-07-10 | 2003-03-04 | Sumitomo Special Metals Co., Ltd. | Rare earth magnet and method for making same |
| JP4419292B2 (ja) * | 2000-08-09 | 2010-02-24 | 住友金属工業株式会社 | 希土類系合金製造用急冷ロール |
| JP4371188B2 (ja) * | 2000-08-22 | 2009-11-25 | 信越化学工業株式会社 | 高比電気抵抗性希土類磁石及びその製造方法 |
| EP1197595A1 (en) | 2000-10-12 | 2002-04-17 | DRAHTCORD SAAR GMBH & Co.KG | Steel cord and method for producing a steel cord |
| CN1220220C (zh) | 2001-09-24 | 2005-09-21 | 北京有色金属研究总院 | 钕铁硼合金快冷厚带及其制造方法 |
| US20050098239A1 (en) * | 2003-10-15 | 2005-05-12 | Neomax Co., Ltd. | R-T-B based permanent magnet material alloy and R-T-B based permanent magnet |
| CN101541996A (zh) | 2007-02-05 | 2009-09-23 | 昭和电工株式会社 | R-t-b型合金及其制造方法、用于r-t-b型稀土永磁体的细粉和r-t-b型稀土永磁体 |
| JP5274781B2 (ja) | 2007-03-22 | 2013-08-28 | 昭和電工株式会社 | Ｒ−ｔ−ｂ系合金及びｒ−ｔ−ｂ系合金の製造方法、ｒ−ｔ−ｂ系希土類永久磁石用微粉、ｒ−ｔ−ｂ系希土類永久磁石 |
| WO2009004994A1 (ja) * | 2007-06-29 | 2009-01-08 | Tdk Corporation | 希土類磁石 |
| WO2009150843A1 (ja) | 2008-06-13 | 2009-12-17 | 日立金属株式会社 | Ｒ－Ｔ－Ｃｕ－Ｍｎ－Ｂ系焼結磁石 |
| EP2740551B1 (en) | 2011-08-03 | 2019-10-16 | Santoku Corporation | Alloy flakes as starting material for rare earth sintered magnet |
| WO2013122256A1 (ja) | 2012-02-13 | 2013-08-22 | Tdk株式会社 | Ｒ－ｔ－ｂ系焼結磁石 |
| MY168281A (en) | 2012-04-11 | 2018-10-19 | Shinetsu Chemical Co | Rare earth sintered magnet and making method |
| CN102956337B (zh) * | 2012-11-09 | 2016-05-25 | 厦门钨业股份有限公司 | 一种烧结Nd-Fe-B系磁铁的省却工序的制作方法 |
| JP6202722B2 (ja) * | 2012-12-06 | 2017-09-27 | 昭和電工株式会社 | Ｒ−ｔ−ｂ系希土類焼結磁石、ｒ−ｔ−ｂ系希土類焼結磁石の製造方法 |
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2014
- 2014-07-30 CN CN201410369180.0A patent/CN105321647B/zh active Active
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2015
- 2015-07-30 EP EP15826755.9A patent/EP3176794B1/en active Active
- 2015-07-30 JP JP2017505079A patent/JP6411630B2/ja active Active
- 2015-07-30 ES ES15826755T patent/ES2879807T3/es active Active
- 2015-07-30 DK DK15826755.9T patent/DK3176794T3/da active
- 2015-07-30 WO PCT/CN2015/085555 patent/WO2016015662A1/zh not_active Ceased
- 2015-07-30 US US15/328,258 patent/US10096413B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| US20180096763A1 (en) | 2018-04-05 |
| EP3176794A1 (en) | 2017-06-07 |
| JP6411630B2 (ja) | 2018-10-24 |
| US10096413B2 (en) | 2018-10-09 |
| DK3176794T3 (da) | 2021-07-05 |
| CN105321647A (zh) | 2016-02-10 |
| WO2016015662A1 (zh) | 2016-02-04 |
| EP3176794B1 (en) | 2021-04-07 |
| JP2017531912A (ja) | 2017-10-26 |
| CN105321647B (zh) | 2018-02-23 |
| EP3176794A4 (en) | 2017-12-27 |
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