DE69102277T2 - Behandlung von magnetpulvermaterialien und so erhaltene gegenstände. - Google Patents
Behandlung von magnetpulvermaterialien und so erhaltene gegenstände.Info
- Publication number
- DE69102277T2 DE69102277T2 DE69102277T DE69102277T DE69102277T2 DE 69102277 T2 DE69102277 T2 DE 69102277T2 DE 69102277 T DE69102277 T DE 69102277T DE 69102277 T DE69102277 T DE 69102277T DE 69102277 T2 DE69102277 T2 DE 69102277T2
- Authority
- DE
- Germany
- Prior art keywords
- magnetic properties
- temperature
- magnetic
- precursor
- treatment
- 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.)
- Expired - Lifetime
Links
- 239000000463 material Substances 0.000 title claims description 49
- 238000011282 treatment Methods 0.000 title claims description 35
- 239000006247 magnetic powder Substances 0.000 title 1
- 238000000034 method Methods 0.000 claims abstract description 40
- 239000002243 precursor Substances 0.000 claims abstract description 26
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- 150000004678 hydrides Chemical class 0.000 claims abstract description 9
- 239000000843 powder Substances 0.000 claims description 36
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 28
- 230000006698 induction Effects 0.000 claims description 20
- 238000004519 manufacturing process Methods 0.000 claims description 15
- 238000005242 forging Methods 0.000 claims description 12
- 229910052742 iron Inorganic materials 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 12
- 238000006356 dehydrogenation reaction Methods 0.000 claims description 11
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 10
- 150000002910 rare earth metals Chemical class 0.000 claims description 10
- 229910052796 boron Inorganic materials 0.000 claims description 8
- 238000005984 hydrogenation reaction Methods 0.000 claims description 8
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 7
- 238000010791 quenching Methods 0.000 claims description 7
- 229910017052 cobalt Inorganic materials 0.000 claims description 5
- 239000010941 cobalt Substances 0.000 claims description 5
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 230000000171 quenching effect Effects 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052727 yttrium Inorganic materials 0.000 claims description 3
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims description 3
- 238000005245 sintering Methods 0.000 claims description 2
- 238000005496 tempering Methods 0.000 claims description 2
- 239000002699 waste material Substances 0.000 claims description 2
- 239000004411 aluminium Substances 0.000 claims 1
- 239000011343 solid material Substances 0.000 claims 1
- 238000005204 segregation Methods 0.000 abstract 1
- 239000000047 product Substances 0.000 description 30
- 229910045601 alloy Inorganic materials 0.000 description 8
- 239000000956 alloy Substances 0.000 description 8
- 238000000137 annealing Methods 0.000 description 8
- 239000001257 hydrogen Substances 0.000 description 8
- 229910052739 hydrogen Inorganic materials 0.000 description 8
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 7
- 239000007787 solid Substances 0.000 description 7
- 238000007669 thermal treatment Methods 0.000 description 7
- 230000018044 dehydration Effects 0.000 description 6
- 238000006297 dehydration reaction Methods 0.000 description 6
- 239000000696 magnetic material Substances 0.000 description 6
- 230000005415 magnetization Effects 0.000 description 6
- 239000007858 starting material Substances 0.000 description 6
- 208000005156 Dehydration Diseases 0.000 description 5
- 229910052777 Praseodymium Inorganic materials 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 238000005056 compaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000005496 eutectics Effects 0.000 description 3
- 239000012467 final product Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 229910000521 B alloy Inorganic materials 0.000 description 2
- 229910000640 Fe alloy Inorganic materials 0.000 description 2
- 229910052779 Neodymium Inorganic materials 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000000280 densification Methods 0.000 description 2
- 238000003795 desorption Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000004663 powder metallurgy Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 229910052692 Dysprosium Inorganic materials 0.000 description 1
- 208000035126 Facies Diseases 0.000 description 1
- YZCKVEUIGOORGS-UHFFFAOYSA-N Hydrogen atom Chemical compound [H] YZCKVEUIGOORGS-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- ZDVYABSQRRRIOJ-UHFFFAOYSA-N boron;iron Chemical compound [Fe]#B ZDVYABSQRRRIOJ-UHFFFAOYSA-N 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- KBQHZAAAGSGFKK-UHFFFAOYSA-N dysprosium atom Chemical compound [Dy] KBQHZAAAGSGFKK-UHFFFAOYSA-N 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000005381 magnetic domain Effects 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 239000012254 powdered material Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 238000007725 thermal activation Methods 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 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
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/023—Hydrogen absorption
-
- 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
- H01F1/06—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
- H01F1/065—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 obtained by a reduction
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Hard Magnetic Materials (AREA)
- Paints Or Removers (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Powder Metallurgy (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9008582A FR2664086A1 (fr) | 1990-07-02 | 1990-07-02 | Procede perfectionne pour l'optimisation des proprietes magnetiques de materiaux magnetiques pulverulents et produits ainsi obtenus. |
| PCT/FR1991/000517 WO1992000595A1 (fr) | 1990-07-02 | 1991-06-28 | Traitement de materiaux magnetiques pulverulents et produits ainsi obtenus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69102277D1 DE69102277D1 (de) | 1994-07-07 |
| DE69102277T2 true DE69102277T2 (de) | 1994-09-15 |
Family
ID=9398426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69102277T Expired - Lifetime DE69102277T2 (de) | 1990-07-02 | 1991-06-28 | Behandlung von magnetpulvermaterialien und so erhaltene gegenstände. |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0538320B1 (enExample) |
| JP (1) | JPH06501135A (enExample) |
| AT (1) | ATE106600T1 (enExample) |
| DE (1) | DE69102277T2 (enExample) |
| FR (1) | FR2664086A1 (enExample) |
| WO (1) | WO1992000595A1 (enExample) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL101943A0 (en) * | 1991-05-24 | 1992-12-30 | Genentech Inc | Structure,production and use of heregulin |
| US5834229A (en) | 1991-05-24 | 1998-11-10 | Genentech, Inc. | Nucleic acids vectors and host cells encoding and expressing heregulin 2-α |
| FR2997095B1 (fr) | 2012-10-24 | 2014-11-28 | Commissariat Energie Atomique | Procede pour isoler les terres rares et/ou element(s) metallique(s) annexe(s) contenus dans la phase magnetique d'aimants permanents. |
| FR3030866B1 (fr) | 2014-12-18 | 2021-03-12 | Commissariat Energie Atomique | Aimant permanent fritte |
| FR3044161B1 (fr) | 2015-11-25 | 2019-05-03 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Aimant permanent fritte |
| CN109604615B (zh) * | 2018-12-17 | 2021-01-15 | 江苏晨朗电子集团有限公司 | 低成本制备烧结钕铁硼永磁体的方法 |
| JP2023533386A (ja) * | 2020-07-01 | 2023-08-02 | イエダ リサーチ アンド ディベロプメント カンパニー リミテッド | 強磁性合金からの希土類金属の回収 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60119701A (ja) * | 1983-12-01 | 1985-06-27 | Sumitomo Special Metals Co Ltd | 希土類・ボロン・鉄系永久磁石用合金粉末の製造方法 |
| FR2566758B1 (fr) * | 1984-06-29 | 1990-01-12 | Centre Nat Rech Scient | Nouveaux hydrures de terre rare/fer/bore et terre rare/cobalt/bore magnetiques, leur procede de fabrication et de fabrication des produits deshydrures pulverulents correspondants, leurs applications |
| JPS6390104A (ja) * | 1986-10-03 | 1988-04-21 | Tdk Corp | 希土類−鉄−ホウ素系永久磁石の製造方法 |
| JPS6447841A (en) * | 1987-08-12 | 1989-02-22 | Tdk Corp | Production of rare earth alloy magnet |
| JPS6445103A (en) * | 1987-08-13 | 1989-02-17 | Tdk Corp | Manufacture of rare earth alloy magnet |
| JPS6448406A (en) * | 1987-08-19 | 1989-02-22 | Mitsubishi Metal Corp | Magnet powder for sintering rare earth-iron-boron and manufacture thereof |
| EP0304054B1 (en) * | 1987-08-19 | 1994-06-08 | Mitsubishi Materials Corporation | Rare earth-iron-boron magnet powder and process of producing same |
| US4760966A (en) * | 1987-08-28 | 1988-08-02 | The United States Of America As Represented By The Secretary Of The Army | Method of comminuting rare earth magnet alloys into fine particles |
-
1990
- 1990-07-02 FR FR9008582A patent/FR2664086A1/fr active Granted
-
1991
- 1991-06-28 JP JP3511665A patent/JPH06501135A/ja active Pending
- 1991-06-28 DE DE69102277T patent/DE69102277T2/de not_active Expired - Lifetime
- 1991-06-28 AT AT91912597T patent/ATE106600T1/de not_active IP Right Cessation
- 1991-06-28 WO PCT/FR1991/000517 patent/WO1992000595A1/fr not_active Ceased
- 1991-06-28 EP EP91912597A patent/EP0538320B1/fr not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR2664086A1 (fr) | 1992-01-03 |
| DE69102277D1 (de) | 1994-07-07 |
| EP0538320A1 (fr) | 1993-04-28 |
| EP0538320B1 (fr) | 1994-06-01 |
| FR2664086B1 (enExample) | 1994-08-19 |
| WO1992000595A1 (fr) | 1992-01-09 |
| JPH06501135A (ja) | 1994-01-27 |
| ATE106600T1 (de) | 1994-06-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition | ||
| 8328 | Change in the person/name/address of the agent |
Representative=s name: WITTE, WELLER & PARTNER, 70178 STUTTGART |