DE69706200T2 - Verfahren zu Herstellung eines Rohmaterialpulvers mit hervorragender Formbarkeit für Dauermagneten - Google Patents
Verfahren zu Herstellung eines Rohmaterialpulvers mit hervorragender Formbarkeit für DauermagnetenInfo
- Publication number
- DE69706200T2 DE69706200T2 DE69706200T DE69706200T DE69706200T2 DE 69706200 T2 DE69706200 T2 DE 69706200T2 DE 69706200 T DE69706200 T DE 69706200T DE 69706200 T DE69706200 T DE 69706200T DE 69706200 T2 DE69706200 T2 DE 69706200T2
- Authority
- DE
- Germany
- Prior art keywords
- iron powder
- magnetic properties
- powder
- acicular
- improving
- 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 - Fee Related
Links
- 239000000843 powder Substances 0.000 title claims description 33
- 239000002994 raw material Substances 0.000 title claims description 25
- 238000000034 method Methods 0.000 title claims description 21
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 68
- 238000010438 heat treatment Methods 0.000 claims description 21
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 10
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 10
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 9
- 229910052796 boron Inorganic materials 0.000 claims description 9
- 229910017052 cobalt Inorganic materials 0.000 claims description 9
- 239000010941 cobalt Substances 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 9
- 239000013078 crystal Substances 0.000 claims description 8
- 229910002588 FeOOH Inorganic materials 0.000 claims description 7
- 229910052598 goethite Inorganic materials 0.000 claims description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- AEIXRCIKZIZYPM-UHFFFAOYSA-M hydroxy(oxo)iron Chemical compound [O][Fe]O AEIXRCIKZIZYPM-UHFFFAOYSA-M 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 239000007789 gas Substances 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 239000002344 surface layer Substances 0.000 claims description 4
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 150000002739 metals Chemical class 0.000 claims 4
- 238000004519 manufacturing process Methods 0.000 description 13
- 238000002347 injection Methods 0.000 description 12
- 239000007924 injection Substances 0.000 description 12
- 238000000465 moulding Methods 0.000 description 8
- 239000002245 particle Substances 0.000 description 8
- 238000001746 injection moulding Methods 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 5
- 230000001965 increasing effect Effects 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 229910052779 Neodymium Inorganic materials 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- ILRRQNADMUWWFW-UHFFFAOYSA-K aluminium phosphate Chemical compound O1[Al]2OP1(=O)O2 ILRRQNADMUWWFW-UHFFFAOYSA-K 0.000 description 3
- 238000010298 pulverizing process Methods 0.000 description 3
- BNGXYYYYKUGPPF-UHFFFAOYSA-M (3-methylphenyl)methyl-triphenylphosphanium;chloride Chemical compound [Cl-].CC1=CC=CC(C[P+](C=2C=CC=CC=2)(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1 BNGXYYYYKUGPPF-UHFFFAOYSA-M 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 2
- HDYRYUINDGQKMC-UHFFFAOYSA-M acetyloxyaluminum;dihydrate Chemical compound O.O.CC(=O)O[Al] HDYRYUINDGQKMC-UHFFFAOYSA-M 0.000 description 2
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 2
- 229940009827 aluminum acetate Drugs 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 150000002484 inorganic compounds Chemical class 0.000 description 2
- 229910010272 inorganic material Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 150000002894 organic compounds Chemical class 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000012300 argon atmosphere Substances 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000010299 mechanically pulverizing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 229920006268 silicone film Polymers 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000009466 transformation Effects 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
- H01F1/059—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and Va elements, e.g. Sm2Fe17N2
-
- 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
- B22F1/06—Metallic powder characterised by the shape of the particles
-
- 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
- B22F1/142—Thermal or thermo-mechanical treatment
-
- 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
- H01F1/0575—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
- H01F1/0578—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 bonded together
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Nanotechnology (AREA)
- Hard Magnetic Materials (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Powder Metallurgy (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8002517A JPH09194911A (ja) | 1996-01-10 | 1996-01-10 | 成形性の良好な永久磁石用原料粉末の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69706200D1 DE69706200D1 (de) | 2001-09-27 |
| DE69706200T2 true DE69706200T2 (de) | 2002-03-28 |
Family
ID=11531573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69706200T Expired - Fee Related DE69706200T2 (de) | 1996-01-10 | 1997-01-09 | Verfahren zu Herstellung eines Rohmaterialpulvers mit hervorragender Formbarkeit für Dauermagneten |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US5865873A (enExample) |
| EP (1) | EP0784328B1 (enExample) |
| JP (1) | JPH09194911A (enExample) |
| KR (1) | KR970060272A (enExample) |
| CN (1) | CN1085954C (enExample) |
| DE (1) | DE69706200T2 (enExample) |
| TW (1) | TW310438B (enExample) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09194911A (ja) * | 1996-01-10 | 1997-07-29 | Kawasaki Teitoku Kk | 成形性の良好な永久磁石用原料粉末の製造方法 |
| JPH1131610A (ja) * | 1997-07-11 | 1999-02-02 | Mitsubishi Materials Corp | 磁気異方性に優れた希土類磁石粉末の製造方法 |
| AU2327300A (en) * | 1999-02-10 | 2000-08-29 | Hitachi Maxell, Ltd. | Magnetic recording medium, and magnetic powder and method for preparing the same |
| JP2001254103A (ja) * | 2000-03-13 | 2001-09-18 | Sanei Kasei Kk | ナノコンポジット構造を有する金属粒子及び自己組織化によるその製造方法 |
| EP3899736A4 (en) | 2018-12-19 | 2022-09-07 | Micron Technology, Inc. | STORAGE DEVICES, MODULES AND SYSTEMS INCLUDING STORAGE DEVICES WITH VARYING PHYSICAL DIMENSIONS, STORAGE FORMATS AND OPERATING CAPABILITIES |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3967986A (en) * | 1975-01-27 | 1976-07-06 | U.S. Philips Corporation | Method of preparing ferromagnetic material |
| EP0041257B1 (en) * | 1980-05-30 | 1984-11-14 | Hitachi Maxell Ltd. | Process for preparing ferromagnetic particles comprising metallic iron |
| JPS58147502A (ja) * | 1982-02-26 | 1983-09-02 | Fuji Photo Film Co Ltd | 強磁性金属粉末の製造法 |
| JPS5946008A (ja) | 1982-08-21 | 1984-03-15 | Sumitomo Special Metals Co Ltd | 永久磁石 |
| JPS5980901A (ja) * | 1982-11-01 | 1984-05-10 | Fuji Photo Film Co Ltd | 強磁性金属粉末の製造法 |
| JPS62229803A (ja) * | 1986-03-29 | 1987-10-08 | Kobe Steel Ltd | プラスチツク磁石用Ｎｄ−Ｆｅ−Ｂ系合金粉末 |
| JPH05179313A (ja) * | 1992-01-06 | 1993-07-20 | Daido Steel Co Ltd | 希土類磁石材料の製造法 |
| DE69406163T2 (de) * | 1993-03-08 | 1998-03-05 | Ishihara Sangyo Kaisha | Verfahren zur Herstellung von magnetischen metallischen Teilchen |
| JPH07106110A (ja) * | 1993-10-06 | 1995-04-21 | Yasunori Takahashi | ボンド磁石製造用粉末組成物、磁気異方性永久磁石及び磁気異方性永久磁石の製造法 |
| JP3109637B2 (ja) * | 1993-12-10 | 2000-11-20 | 日亜化学工業株式会社 | 異方性針状磁性粉末およびそれを用いたボンド磁石 |
| JPH07272913A (ja) * | 1994-03-30 | 1995-10-20 | Kawasaki Teitoku Kk | 永久磁石原料、その製造法及び永久磁石 |
| JPH0866203A (ja) * | 1994-08-30 | 1996-03-12 | Midori Anzen Co Ltd | 安全靴 |
| JPH09194911A (ja) * | 1996-01-10 | 1997-07-29 | Kawasaki Teitoku Kk | 成形性の良好な永久磁石用原料粉末の製造方法 |
| US5849109A (en) * | 1997-03-10 | 1998-12-15 | Mitsubishi Materials Corporation | Methods of producing rare earth alloy magnet powder with superior magnetic anisotropy |
-
1996
- 1996-01-10 JP JP8002517A patent/JPH09194911A/ja active Pending
- 1996-12-23 TW TW085115879A patent/TW310438B/zh active
-
1997
- 1997-01-06 US US08/779,218 patent/US5865873A/en not_active Expired - Fee Related
- 1997-01-09 DE DE69706200T patent/DE69706200T2/de not_active Expired - Fee Related
- 1997-01-09 EP EP97100252A patent/EP0784328B1/en not_active Expired - Lifetime
- 1997-01-09 KR KR1019970000339A patent/KR970060272A/ko not_active Abandoned
- 1997-01-10 CN CN97102905A patent/CN1085954C/zh not_active Expired - Fee Related
-
1998
- 1998-07-09 US US09/112,288 patent/US6103021A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1162511A (zh) | 1997-10-22 |
| JPH09194911A (ja) | 1997-07-29 |
| DE69706200D1 (de) | 2001-09-27 |
| US5865873A (en) | 1999-02-02 |
| KR970060272A (ko) | 1997-08-12 |
| US6103021A (en) | 2000-08-15 |
| TW310438B (enExample) | 1997-07-11 |
| EP0784328B1 (en) | 2001-08-22 |
| EP0784328A1 (en) | 1997-07-16 |
| CN1085954C (zh) | 2002-06-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE3789951T2 (de) | Anisotropes Magnetpulver, Magnet daraus und Herstellungsverfahren. | |
| DE112009003804B4 (de) | Legierungsmaterial für einen Seltenerdpermanentmagneten vom R-T-B-System, Verfahren zur Herstellung eines Seltenerdpermanentmagnets vom R-T-B-System | |
| DE69633490T2 (de) | Herstellungsverfahren für seltenerd-gesinterte magneten | |
| DE102015113880B4 (de) | Verfahren zur Herstellung von magnetischen Nd-Fe-B-Materialien mit verringerten schweren Seltenerdmetallen | |
| DE68917904T2 (de) | Verfahren zur Herstellung von pulvermetallurgisch gesinterten Formkörpern. | |
| DE60016634T2 (de) | Herstellungsverfahren für fe-cr-al-legierung und eine solche legierung | |
| DE60319339T2 (de) | Verfahren zur herstellung eines seltenerdelement-permanentmagneten auf r-t-b-basis | |
| DE102007046417B4 (de) | Behandlungsmittel zur Bildung einer Fluorid-Beschichtung und Verfahren zur Bildung einer Fluorid-Beschichtung | |
| DE19626049C2 (de) | Magnetwerkstoff und Verbundmagnet | |
| DE3120169A1 (de) | Ferromagnetische metallegierungsgegenstaende, verfahren zu deren herstellung und deren verwendung | |
| DE69423305T2 (de) | Dauermagnet-Legierungspulver auf Eisenbasis für harzgebundene Magneten und daraus hergestellte Magneten | |
| DE69403059T2 (de) | Dauermagnetmaterial, dessen Herstellungsverfahren und Dauermagnet | |
| DE9018099U1 (de) | Dauermagnet mit verbessertem Korrosionswiderstand | |
| DE112018001808T5 (de) | Seltenerdgebundenes Magnetpulver sowie Herstellungsverfahren dafür und gebundener Magnet | |
| DE69212569T2 (de) | Verfahren zur Herstellung von Legierungspulvern des SE-Fe/Co-B-M-Typs und gebundene Magnete mit diesem Legierungspulver | |
| DE10310572B4 (de) | Permanentmagnet, Verfahren zu seiner Herstellung, Rotor und Motor | |
| DE69015035T2 (de) | Verfahren zur Herstellung gesinterter Formkörper einer Fe-P-Legierung mit weichmagnetischen Eigenschaften. | |
| DE68927460T2 (de) | Gesinterter seltenerdelement-b-fe-magnet und verfahren zur herstellung | |
| DE3885980T2 (de) | Magnet für einen Motor und Herstellungsverfahren. | |
| DE3685656T2 (de) | Verfahren zur herstellung eines voellig dichten gegenstandes. | |
| DE69706200T2 (de) | Verfahren zu Herstellung eines Rohmaterialpulvers mit hervorragender Formbarkeit für Dauermagneten | |
| DE69318682T2 (de) | Magnetpulver vom Typ SE-Fe-B, Sintermagnete daraus und Herstellungsverfahren | |
| DE10150830A1 (de) | Weichmagnetismus-Legierungspulver, ein Behandlungsverfahren davon, ein Weichmagnetismus-Legierungsformling und das Herstellungsverfahren davon | |
| DE69725750T2 (de) | Pulver für Permanentmagnet, Herstellungsverfahren davon und mit diesem Pulver hergestellter anisotroper Permanentmagnet | |
| DE10059155A1 (de) | Verfahren zur Verbesserung der Verdichtbarkeit eines Pulvers und damit geformte Artikel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |