CN1272946A - 稀土-铁-硼型磁体用原料粉末和稀土-铁-硼型磁体的制造方法 - Google Patents
稀土-铁-硼型磁体用原料粉末和稀土-铁-硼型磁体的制造方法 Download PDFInfo
- Publication number
- CN1272946A CN1272946A CN99800997A CN99800997A CN1272946A CN 1272946 A CN1272946 A CN 1272946A CN 99800997 A CN99800997 A CN 99800997A CN 99800997 A CN99800997 A CN 99800997A CN 1272946 A CN1272946 A CN 1272946A
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- powder
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- manufacture method
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- 239000000843 powder Substances 0.000 title claims abstract description 95
- 238000000034 method Methods 0.000 title claims abstract description 44
- 230000008569 process Effects 0.000 title claims abstract description 14
- 239000000203 mixture Substances 0.000 claims abstract description 39
- 239000011575 calcium Substances 0.000 claims abstract description 32
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 31
- 239000000956 alloy Substances 0.000 claims abstract description 31
- 229910052791 calcium Inorganic materials 0.000 claims abstract description 29
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims abstract description 28
- 238000005554 pickling Methods 0.000 claims abstract description 22
- 230000009467 reduction Effects 0.000 claims abstract description 19
- 238000005245 sintering Methods 0.000 claims abstract description 13
- 239000002994 raw material Substances 0.000 claims description 25
- 238000004519 manufacturing process Methods 0.000 claims description 21
- 239000002245 particle Substances 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 9
- 239000002253 acid Substances 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 5
- 238000006722 reduction reaction Methods 0.000 claims 8
- 239000007795 chemical reaction product Substances 0.000 claims 3
- 239000013078 crystal Substances 0.000 abstract description 6
- 238000001035 drying Methods 0.000 abstract description 6
- 238000010298 pulverizing process Methods 0.000 abstract description 5
- 230000001105 regulatory effect Effects 0.000 abstract description 5
- 239000004615 ingredient Substances 0.000 abstract 1
- 229910001172 neodymium magnet Inorganic materials 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 31
- 239000012071 phase Substances 0.000 description 24
- 229910052761 rare earth metal Inorganic materials 0.000 description 12
- 239000000463 material Substances 0.000 description 11
- 229910052796 boron Inorganic materials 0.000 description 10
- 150000002910 rare earth metals Chemical class 0.000 description 8
- 230000008929 regeneration Effects 0.000 description 8
- 238000011069 regeneration method Methods 0.000 description 8
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- 229910052799 carbon Inorganic materials 0.000 description 7
- 229910052742 iron Inorganic materials 0.000 description 7
- 239000001301 oxygen Substances 0.000 description 7
- 229910052760 oxygen Inorganic materials 0.000 description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- 229910017052 cobalt Inorganic materials 0.000 description 5
- 239000010941 cobalt Substances 0.000 description 5
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000004907 flux Effects 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 229910052786 argon Inorganic materials 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 239000008367 deionised water Substances 0.000 description 3
- 229910021641 deionized water Inorganic materials 0.000 description 3
- 239000012634 fragment Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000009418 renovation Methods 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910052684 Cerium Inorganic materials 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 229910052779 Neodymium Inorganic materials 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000009689 gas atomisation Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 238000009854 hydrometallurgy Methods 0.000 description 2
- 238000005551 mechanical alloying Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000722 Didymium Inorganic materials 0.000 description 1
- 241000224487 Didymium Species 0.000 description 1
- 229910052692 Dysprosium Inorganic materials 0.000 description 1
- 229910052691 Erbium Inorganic materials 0.000 description 1
- 229910052693 Europium Inorganic materials 0.000 description 1
- 229910052688 Gadolinium Inorganic materials 0.000 description 1
- 229910052689 Holmium Inorganic materials 0.000 description 1
- 229910052765 Lutetium Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910052777 Praseodymium Inorganic materials 0.000 description 1
- 229910052772 Samarium Inorganic materials 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 229910052775 Thulium Inorganic materials 0.000 description 1
- 229910052769 Ytterbium Inorganic materials 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- JZQOJFLIJNRDHK-CMDGGOBGSA-N alpha-irone Chemical compound CC1CC=C(C)C(\C=C\C(C)=O)C1(C)C JZQOJFLIJNRDHK-CMDGGOBGSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 150000001669 calcium Chemical class 0.000 description 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006356 dehydrogenation reaction Methods 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000004992 fission Effects 0.000 description 1
- 238000007499 fusion processing Methods 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002923 metal particle Substances 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
- 238000012856 packing Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910000938 samarium–cobalt magnet Inorganic materials 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 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
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/006—Wet processes
-
- 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
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/14—Treatment of metallic powder
- B22F1/145—Chemical treatment, e.g. passivation or decarburisation
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B59/00—Obtaining rare earth metals
-
- 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
- C22C1/0441—Alloys based on intermetallic compounds of the type rare earth - Co, Ni
-
- 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
- H01F1/0573—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 obtained by reduction or by hydrogen decrepitation or embrittlement
-
- 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
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Inorganic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Power Engineering (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Hard Magnetic Materials (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Powder Metallurgy (AREA)
Abstract
Description
Claims (10)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP153850/1998 | 1998-05-18 | ||
JP15385098A JPH11329811A (ja) | 1998-05-18 | 1998-05-18 | R−Fe−B系磁石用原料粉末並びにR−Fe−B系磁石の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1272946A true CN1272946A (zh) | 2000-11-08 |
CN1125472C CN1125472C (zh) | 2003-10-22 |
Family
ID=15571476
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN99800997A Expired - Lifetime CN1125472C (zh) | 1998-05-18 | 1999-05-18 | 稀土-铁-硼型磁体用原料粉末和稀土-铁-硼型磁体的制造方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US6149861A (zh) |
EP (1) | EP1026706B1 (zh) |
JP (1) | JPH11329811A (zh) |
CN (1) | CN1125472C (zh) |
DE (1) | DE69915025T2 (zh) |
WO (1) | WO1999060580A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103898400A (zh) * | 2012-12-31 | 2014-07-02 | 比亚迪股份有限公司 | 一种回收钕铁硼磁性材料的方法 |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100582167B1 (ko) * | 1999-12-13 | 2006-05-24 | 주식회사 포스코 | 롤 연마칩을 첨가한 퍼멀로이계 소결코아 제조방법 |
KR100374706B1 (ko) * | 2000-05-26 | 2003-03-04 | 한국기계연구원 | 네오디뮴-철-붕소계 초미립 합금분말 제조방법 |
CN1212625C (zh) * | 2001-05-30 | 2005-07-27 | 株式会社新王磁材 | 稀土磁体用烧结压制体的制备方法 |
JP2002367846A (ja) * | 2001-06-12 | 2002-12-20 | Japan Science & Technology Corp | ラジアルまたは極異方性焼結磁石の製造方法 |
KR100853089B1 (ko) * | 2001-07-10 | 2008-08-19 | 신에쓰 가가꾸 고교 가부시끼가이샤 | 희토류 자석 스크랩 및/또는 슬러지의 재용해 방법 및자석용 합금 및 희토류 소결 자석 |
JP4243461B2 (ja) * | 2002-08-06 | 2009-03-25 | 学校法人千葉工業大学 | 希土類金属の回収方法 |
DE10255604B4 (de) * | 2002-11-28 | 2006-06-14 | Vacuumschmelze Gmbh & Co. Kg | Verfahren zum Herstellen eines anisotropen Magnetpulvers und eines gebundenen anisotropen Magneten daraus |
JP4701917B2 (ja) * | 2005-08-22 | 2011-06-15 | パナソニック株式会社 | 多結晶集合型異方性粒子を含む複合磁石の再生方法 |
DE112009000399T5 (de) * | 2008-02-20 | 2010-12-30 | ULVAC, Inc., Chigasaki-shi | Verfahren zur Wiederverwertung von Schrottmagneten |
JP2010215972A (ja) * | 2009-03-17 | 2010-09-30 | Toyota Motor Corp | NdFeBCu磁石材料 |
CN102101120A (zh) * | 2009-12-21 | 2011-06-22 | 上海爱普生磁性器件有限公司 | 粘结钕铁硼永磁体残次品的回用方法 |
WO2014205002A2 (en) | 2013-06-17 | 2014-12-24 | Miha Zakotnik | Magnet recycling to create nd-fe-b magnets with improved or restored magnetic performance |
US9336932B1 (en) | 2014-08-15 | 2016-05-10 | Urban Mining Company | Grain boundary engineering |
US10323299B2 (en) * | 2015-07-15 | 2019-06-18 | Iowa State University Research Foundation, Inc. | Recovering rare earth metals from magnet scrap |
JP6786910B2 (ja) * | 2016-06-30 | 2020-11-18 | 日立金属株式会社 | 軽希土類元素と重希土類元素を含む処理対象物から両者を分離する方法 |
DE102016216355A1 (de) | 2016-08-30 | 2018-03-01 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zum Recycling von Permanentmagneten durch Schmelzen und Rascherstarren |
KR102634865B1 (ko) * | 2019-08-02 | 2024-02-06 | 주식회사 엘지화학 | 자석 분말의 제조 방법 및 이에 의해 제조된 소결 자석 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS58136728A (ja) * | 1982-02-08 | 1983-08-13 | Sumitomo Special Metals Co Ltd | 永久磁石材料の再生方法 |
JPS61153201A (ja) * | 1984-12-27 | 1986-07-11 | Tdk Corp | 希土類磁石のスクラツプ再生方法 |
JPS634028A (ja) * | 1986-06-23 | 1988-01-09 | Sumitomo Metal Mining Co Ltd | 希土類と鉄を含有するスクラツプの処理方法 |
GB2201426B (en) * | 1987-02-27 | 1990-05-30 | Philips Electronic Associated | Improved method for the manufacture of rare earth transition metal alloy magnets |
US4913745A (en) * | 1987-03-23 | 1990-04-03 | Tokin Corporation | Method for producing a rare earth metal-iron-boron anisotropic bonded magnet from rapidly-quenched rare earth metal-iron-boron alloy ribbon-like flakes |
US5061106A (en) * | 1988-03-08 | 1991-10-29 | Colgate-Palmolive Company | Toothbrush with slow release of disinfectant and antibacterial agents and method of manufacturing the same |
EP0405204B1 (de) * | 1989-06-24 | 1994-09-07 | Frisetta GmbH | Verfahren und Vorrichtung zum Herstellen von Borstenfeldern oder Borstenbündeln |
JPH11319752A (ja) * | 1998-05-12 | 1999-11-24 | Sumitomo Metal Mining Co Ltd | 希土類元素含有物からの有価組成物の回収方法、及びこれにより得られた合金粉末 |
-
1998
- 1998-05-18 JP JP15385098A patent/JPH11329811A/ja active Pending
-
1999
- 1999-05-18 CN CN99800997A patent/CN1125472C/zh not_active Expired - Lifetime
- 1999-05-18 EP EP19990919624 patent/EP1026706B1/en not_active Expired - Lifetime
- 1999-05-18 DE DE69915025T patent/DE69915025T2/de not_active Expired - Lifetime
- 1999-05-18 WO PCT/JP1999/002560 patent/WO1999060580A1/ja active IP Right Grant
- 1999-05-18 US US09/462,902 patent/US6149861A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103898400A (zh) * | 2012-12-31 | 2014-07-02 | 比亚迪股份有限公司 | 一种回收钕铁硼磁性材料的方法 |
Also Published As
Publication number | Publication date |
---|---|
CN1125472C (zh) | 2003-10-22 |
JPH11329811A (ja) | 1999-11-30 |
US6149861A (en) | 2000-11-21 |
EP1026706B1 (en) | 2004-02-25 |
EP1026706A4 (en) | 2003-05-07 |
WO1999060580A1 (fr) | 1999-11-25 |
EP1026706A1 (en) | 2000-08-09 |
DE69915025T2 (de) | 2004-09-16 |
DE69915025D1 (de) | 2004-04-01 |
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