DE2258780A1 - Verfahren zum herstellen von permanentmagneten auf der basis von kobalt-seltene erden-legierungen - Google Patents
Verfahren zum herstellen von permanentmagneten auf der basis von kobalt-seltene erden-legierungenInfo
- Publication number
- DE2258780A1 DE2258780A1 DE19722258780 DE2258780A DE2258780A1 DE 2258780 A1 DE2258780 A1 DE 2258780A1 DE 19722258780 DE19722258780 DE 19722258780 DE 2258780 A DE2258780 A DE 2258780A DE 2258780 A1 DE2258780 A1 DE 2258780A1
- Authority
- DE
- Germany
- Prior art keywords
- mixture
- solder
- cobalt
- magnetic
- rare earth
- 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.)
- Pending
Links
- 229910045601 alloy Inorganic materials 0.000 title claims description 52
- 239000000956 alloy Substances 0.000 title claims description 52
- 238000000034 method Methods 0.000 title claims description 28
- 229910052761 rare earth metal Inorganic materials 0.000 title claims description 22
- 230000008569 process Effects 0.000 title claims description 5
- 229910000679 solder Inorganic materials 0.000 claims description 64
- 239000002245 particle Substances 0.000 claims description 57
- 239000000843 powder Substances 0.000 claims description 52
- 239000000203 mixture Substances 0.000 claims description 44
- 230000004907 flux Effects 0.000 claims description 29
- 238000010438 heat treatment Methods 0.000 claims description 17
- 238000002844 melting Methods 0.000 claims description 17
- 238000003825 pressing Methods 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 claims description 15
- 230000008018 melting Effects 0.000 claims description 14
- LQBJWKCYZGMFEV-UHFFFAOYSA-N lead tin Chemical compound [Sn].[Pb] LQBJWKCYZGMFEV-UHFFFAOYSA-N 0.000 claims description 7
- 239000000155 melt Substances 0.000 claims description 6
- 230000005496 eutectics Effects 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 3
- 229910001128 Sn alloy Inorganic materials 0.000 claims 1
- 229910052718 tin Inorganic materials 0.000 description 25
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 22
- 239000007788 liquid Substances 0.000 description 18
- 239000010949 copper Substances 0.000 description 13
- 239000007789 gas Substances 0.000 description 13
- 229910052738 indium Inorganic materials 0.000 description 12
- 238000005476 soldering Methods 0.000 description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 11
- 239000003795 chemical substances by application Substances 0.000 description 11
- 229910052751 metal Inorganic materials 0.000 description 11
- 239000002184 metal Substances 0.000 description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 10
- 239000010941 cobalt Substances 0.000 description 10
- 229910017052 cobalt Inorganic materials 0.000 description 10
- 229910052802 copper Inorganic materials 0.000 description 10
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 9
- 239000006247 magnetic powder Substances 0.000 description 9
- 150000002910 rare earth metals Chemical class 0.000 description 9
- 239000011230 binding agent Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 6
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 6
- 239000006249 magnetic particle Substances 0.000 description 6
- 229910000938 samarium–cobalt magnet Inorganic materials 0.000 description 6
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 6
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 5
- 230000006698 induction Effects 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 5
- 239000011159 matrix material Substances 0.000 description 5
- 239000004570 mortar (masonry) Substances 0.000 description 5
- 238000012856 packing Methods 0.000 description 5
- 239000010453 quartz Substances 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 229910052725 zinc Inorganic materials 0.000 description 5
- 239000011701 zinc Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 229910052684 Cerium Inorganic materials 0.000 description 4
- 229910001122 Mischmetal Inorganic materials 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 229910052745 lead Inorganic materials 0.000 description 4
- 239000000696 magnetic material Substances 0.000 description 4
- 229910052709 silver Inorganic materials 0.000 description 4
- 229910000634 wood's metal Inorganic materials 0.000 description 4
- 229910000531 Co alloy Inorganic materials 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- 229910020816 Sn Pb Inorganic materials 0.000 description 3
- 229910020922 Sn-Pb Inorganic materials 0.000 description 3
- 229910008783 Sn—Pb Inorganic materials 0.000 description 3
- 238000005275 alloying Methods 0.000 description 3
- 229910052787 antimony Inorganic materials 0.000 description 3
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 229910052797 bismuth Inorganic materials 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 230000001427 coherent effect Effects 0.000 description 3
- 238000005056 compaction Methods 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 235000005074 zinc chloride Nutrition 0.000 description 3
- 239000011592 zinc chloride Substances 0.000 description 3
- 229910052772 Samarium Inorganic materials 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000005347 demagnetization Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000007731 hot pressing Methods 0.000 description 2
- 238000005470 impregnation Methods 0.000 description 2
- -1 indium modified tin Chemical class 0.000 description 2
- DGAHKUBUPHJKDE-UHFFFAOYSA-N indium lead Chemical compound [In].[Pb] DGAHKUBUPHJKDE-UHFFFAOYSA-N 0.000 description 2
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 2
- 229910001004 magnetic alloy Inorganic materials 0.000 description 2
- 230000005415 magnetization Effects 0.000 description 2
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229910052573 porcelain Inorganic materials 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical compound [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- 229910000952 Be alloy Inorganic materials 0.000 description 1
- 229910052777 Praseodymium Inorganic materials 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 229910000828 alnico Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- DVHXJLRODLTJOD-UHFFFAOYSA-N aminoazanium;bromide Chemical compound Br.NN DVHXJLRODLTJOD-UHFFFAOYSA-N 0.000 description 1
- BIVUUOPIAYRCAP-UHFFFAOYSA-N aminoazanium;chloride Chemical compound Cl.NN BIVUUOPIAYRCAP-UHFFFAOYSA-N 0.000 description 1
- 239000003708 ampul Substances 0.000 description 1
- MMCPOSDMTGQNKG-UJZMCJRSSA-N aniline;hydrochloride Chemical compound Cl.N[14C]1=[14CH][14CH]=[14CH][14CH]=[14CH]1 MMCPOSDMTGQNKG-UJZMCJRSSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 241001233037 catfish Species 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 229910000743 fusible alloy Inorganic materials 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000000227 grinding Methods 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
- 150000002431 hydrogen Chemical class 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- YZASAXHKAQYPEH-UHFFFAOYSA-N indium silver Chemical compound [Ag].[In] YZASAXHKAQYPEH-UHFFFAOYSA-N 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 239000011859 microparticle Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910052756 noble gas Inorganic materials 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- HELHAJAZNSDZJO-OLXYHTOASA-L sodium L-tartrate Chemical compound [Na+].[Na+].[O-]C(=O)[C@H](O)[C@@H](O)C([O-])=O HELHAJAZNSDZJO-OLXYHTOASA-L 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 229960002167 sodium tartrate Drugs 0.000 description 1
- 239000001433 sodium tartrate Substances 0.000 description 1
- 235000011004 sodium tartrates Nutrition 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 230000008685 targeting Effects 0.000 description 1
- HPGGPRDJHPYFRM-UHFFFAOYSA-J tin(iv) chloride Chemical compound Cl[Sn](Cl)(Cl)Cl HPGGPRDJHPYFRM-UHFFFAOYSA-J 0.000 description 1
- 229910001174 tin-lead alloy Inorganic materials 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- 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
- H01F1/0555—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together
- H01F1/0558—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together bonded together
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Power Engineering (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Powder Metallurgy (AREA)
- Hard Magnetic Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US20786771A | 1971-12-14 | 1971-12-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2258780A1 true DE2258780A1 (de) | 1973-06-28 |
Family
ID=22772304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19722258780 Pending DE2258780A1 (de) | 1971-12-14 | 1972-12-01 | Verfahren zum herstellen von permanentmagneten auf der basis von kobalt-seltene erden-legierungen |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS5550099B2 (enrdf_load_stackoverflow) |
| AT (1) | AT325866B (enrdf_load_stackoverflow) |
| CA (1) | CA969076A (enrdf_load_stackoverflow) |
| CH (1) | CH582410A5 (enrdf_load_stackoverflow) |
| DD (1) | DD100891A5 (enrdf_load_stackoverflow) |
| DE (1) | DE2258780A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2163611B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1398588A (enrdf_load_stackoverflow) |
| NL (1) | NL161288C (enrdf_load_stackoverflow) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2340018A1 (de) * | 1973-06-29 | 1975-01-23 | Bbc Brown Boveri & Cie | Verfahren zum verbinden von seco tief 5 -magneten, mittel zu dessen ausfuehrung und nach diesem verfahren hergestellte permanentmagnete |
| DE3505481A1 (de) * | 1985-02-16 | 1986-08-28 | MTU Motoren- und Turbinen-Union München GmbH, 8000 München | Sinterverfahren |
| DE102012218498A1 (de) * | 2012-10-11 | 2014-04-17 | Siemens Aktiengesellschaft | Dynamoelektrische Maschine mit einem mehrpoligen Rotor mit Permanentmagneten und deren Herstellung |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5812331B2 (ja) * | 1974-10-25 | 1983-03-08 | セイコーエプソン株式会社 | 金属間化合物磁石 |
| CH586954A5 (enrdf_load_stackoverflow) * | 1975-07-24 | 1977-04-15 | Bbc Brown Boveri & Cie | |
| JPS5245523A (en) * | 1975-10-08 | 1977-04-11 | Seiko Instr & Electronics Ltd | Rare earths-cobalt magnet and its production process |
| EP0217347B1 (en) * | 1985-09-30 | 1993-02-03 | Kabushiki Kaisha Toshiba | Use of polycrystalline magnetic substances for magnetic refrigeration |
| JPS62284028A (ja) * | 1986-04-30 | 1987-12-09 | Tohoku Metal Ind Ltd | 希土類磁石の製造方法 |
| JPS62284027A (ja) * | 1986-04-30 | 1987-12-09 | Tohoku Metal Ind Ltd | 希土類磁石の製造方法 |
| DE112007003401T5 (de) | 2007-12-27 | 2010-01-07 | Vacuumschmelze Gmbh & Co. Kg | Verbundgegenstand mit magnetokalorisch aktivem Material und Verfahren zu seiner Herstellung |
| WO2011032201A1 (en) * | 2009-09-21 | 2011-03-24 | Soderberg Rod F | A matrix material comprising magnetic particles for use in hybrid and electric vehicles |
| KR102077147B1 (ko) * | 2017-09-29 | 2020-02-13 | 도요타 지도샤（주） | 희토류 자석 |
| JP7338510B2 (ja) * | 2020-02-27 | 2023-09-05 | トヨタ自動車株式会社 | 希土類磁石の製造方法 |
| JP7529556B2 (ja) | 2020-12-17 | 2024-08-06 | トヨタ自動車株式会社 | 希土類磁石及びその製造方法 |
| CN119296948B (zh) * | 2024-12-10 | 2025-05-09 | 杭州电子科技大学 | 一种同步降低FeSiAl磁粉芯磁滞损耗和涡流损耗的方法 |
-
1972
- 1972-12-01 DE DE19722258780 patent/DE2258780A1/de active Pending
- 1972-12-07 CH CH1781372A patent/CH582410A5/xx not_active IP Right Cessation
- 1972-12-11 GB GB5715672A patent/GB1398588A/en not_active Expired
- 1972-12-11 CA CA158,564A patent/CA969076A/en not_active Expired
- 1972-12-12 DD DD16748172A patent/DD100891A5/xx unknown
- 1972-12-14 NL NL7217038A patent/NL161288C/xx not_active IP Right Cessation
- 1972-12-14 AT AT1065272A patent/AT325866B/de not_active IP Right Cessation
- 1972-12-14 FR FR7244515A patent/FR2163611B1/fr not_active Expired
- 1972-12-14 JP JP12576472A patent/JPS5550099B2/ja not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2340018A1 (de) * | 1973-06-29 | 1975-01-23 | Bbc Brown Boveri & Cie | Verfahren zum verbinden von seco tief 5 -magneten, mittel zu dessen ausfuehrung und nach diesem verfahren hergestellte permanentmagnete |
| DE3505481A1 (de) * | 1985-02-16 | 1986-08-28 | MTU Motoren- und Turbinen-Union München GmbH, 8000 München | Sinterverfahren |
| US4707332A (en) * | 1985-02-16 | 1987-11-17 | Mtu Moroten-Und Turbinen-Union Muenchen Gmbh | Sintering process for prealloyed powders |
| DE102012218498A1 (de) * | 2012-10-11 | 2014-04-17 | Siemens Aktiengesellschaft | Dynamoelektrische Maschine mit einem mehrpoligen Rotor mit Permanentmagneten und deren Herstellung |
Also Published As
| Publication number | Publication date |
|---|---|
| NL161288C (nl) | 1980-01-15 |
| NL7217038A (enrdf_load_stackoverflow) | 1973-06-18 |
| AT325866B (de) | 1975-11-10 |
| GB1398588A (en) | 1975-06-25 |
| JPS5550099B2 (enrdf_load_stackoverflow) | 1980-12-16 |
| ATA1065272A (de) | 1975-01-15 |
| FR2163611A1 (enrdf_load_stackoverflow) | 1973-07-27 |
| JPS4866524A (enrdf_load_stackoverflow) | 1973-09-12 |
| FR2163611B1 (enrdf_load_stackoverflow) | 1976-08-20 |
| CA969076A (en) | 1975-06-10 |
| NL161288B (nl) | 1979-08-15 |
| CH582410A5 (enrdf_load_stackoverflow) | 1976-11-30 |
| DD100891A5 (enrdf_load_stackoverflow) | 1973-10-12 |
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