HU213284B - Sintered permanent magnet (material) and method for producing it - Google Patents
Sintered permanent magnet (material) and method for producing it Download PDFInfo
- Publication number
- HU213284B HU213284B HU9200403A HU9200403A HU213284B HU 213284 B HU213284 B HU 213284B HU 9200403 A HU9200403 A HU 9200403A HU 9200403 A HU9200403 A HU 9200403A HU 213284 B HU213284 B HU 213284B
- Authority
- HU
- Hungary
- Prior art keywords
- magnetic phase
- rare earth
- phase
- nrf
- concentration
- Prior art date
Links
- 239000000463 material Substances 0.000 title claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 title abstract description 9
- 230000005291 magnetic effect Effects 0.000 claims abstract description 99
- 239000002245 particle Substances 0.000 claims abstract description 53
- 238000000034 method Methods 0.000 claims abstract description 28
- 238000009792 diffusion process Methods 0.000 claims abstract description 27
- 230000008569 process Effects 0.000 claims abstract description 25
- 230000000694 effects Effects 0.000 claims abstract description 8
- 150000002910 rare earth metals Chemical class 0.000 claims description 54
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 44
- 239000000654 additive Substances 0.000 claims description 27
- 239000000843 powder Substances 0.000 claims description 27
- 239000000956 alloy Substances 0.000 claims description 17
- 229910045601 alloy Inorganic materials 0.000 claims description 17
- 230000000996 additive effect Effects 0.000 claims description 14
- 238000005245 sintering Methods 0.000 claims description 13
- 229910052742 iron Inorganic materials 0.000 claims description 12
- 239000008187 granular material Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 238000000137 annealing Methods 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 5
- 238000009826 distribution Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- 238000004663 powder metallurgy Methods 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 150000001247 metal acetylides Chemical class 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims description 2
- 150000004767 nitrides Chemical class 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims description 2
- 239000011236 particulate material Substances 0.000 claims 1
- 238000010298 pulverizing process Methods 0.000 claims 1
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 239000012071 phase Substances 0.000 description 54
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 17
- 230000005415 magnetization Effects 0.000 description 6
- 238000005275 alloying Methods 0.000 description 4
- 229910052796 boron Inorganic materials 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 239000000696 magnetic material Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000005290 antiferromagnetic effect Effects 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 230000003292 diminished effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000005298 paramagnetic effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 229910052727 yttrium Inorganic materials 0.000 description 2
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 229910017061 Fe Co Inorganic materials 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000006249 magnetic particle Substances 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 1
- 235000011837 pasties Nutrition 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000004627 transmission electron microscopy Methods 0.000 description 1
- 210000003462 vein Anatomy 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
Landscapes
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Hard Magnetic Materials (AREA)
- Powder Metallurgy (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Compounds Of Iron (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT0028791A AT398861B (de) | 1991-02-11 | 1991-02-11 | Gesinterter permanentmagnet(-werkstoff) sowie verfahren zu dessen herstellung |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| HU9200403D0 HU9200403D0 (en) | 1992-04-28 |
| HUT64108A HUT64108A (en) | 1993-11-29 |
| HU213284B true HU213284B (en) | 1997-04-28 |
Family
ID=3486534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HU9200403A HU213284B (en) | 1991-02-11 | 1992-02-10 | Sintered permanent magnet (material) and method for producing it |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0499600B1 (cs) |
| AT (2) | AT398861B (cs) |
| CZ (1) | CZ281161B6 (cs) |
| DE (1) | DE59200795D1 (cs) |
| HU (1) | HU213284B (cs) |
| PL (1) | PL169844B1 (cs) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4331563A1 (de) * | 1992-09-18 | 1994-03-24 | Hitachi Metals Ltd | Nd-Fe-B-Sintermagnete |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1316375C (en) * | 1982-08-21 | 1993-04-20 | Masato Sagawa | Magnetic materials and permanent magnets |
| US4601875A (en) * | 1983-05-25 | 1986-07-22 | Sumitomo Special Metals Co., Ltd. | Process for producing magnetic materials |
| AU609669B2 (en) * | 1986-10-13 | 1991-05-02 | N.V. Philips Gloeilampenfabrieken | Method of manufacturing a permanent magnet |
| EP0389626B1 (en) * | 1988-06-03 | 1996-11-13 | Mitsubishi Materials Corporation | SINTERED RARE EARTH ELEMENT-B-Fe-MAGNET AND PROCESS FOR ITS PRODUCTION |
| US5000800A (en) * | 1988-06-03 | 1991-03-19 | Masato Sagawa | Permanent magnet and method for producing the same |
| AT393177B (de) * | 1989-04-28 | 1991-08-26 | Boehler Gmbh | Permanentmagnet(-werkstoff) sowie verfahren zur herstellung desselben |
-
1991
- 1991-02-11 AT AT0028791A patent/AT398861B/de not_active IP Right Cessation
-
1992
- 1992-02-10 DE DE59200795T patent/DE59200795D1/de not_active Expired - Fee Related
- 1992-02-10 AT AT92890030T patent/ATE114383T1/de not_active IP Right Cessation
- 1992-02-10 PL PL92293427A patent/PL169844B1/pl unknown
- 1992-02-10 HU HU9200403A patent/HU213284B/hu not_active IP Right Cessation
- 1992-02-10 EP EP92890030A patent/EP0499600B1/de not_active Expired - Lifetime
- 1992-02-10 CZ CS92392A patent/CZ281161B6/cs unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP0499600A1 (de) | 1992-08-19 |
| HU9200403D0 (en) | 1992-04-28 |
| CZ281161B6 (cs) | 1996-07-17 |
| EP0499600B1 (de) | 1994-11-23 |
| ATA28791A (de) | 1994-06-15 |
| DE59200795D1 (de) | 1995-01-05 |
| AT398861B (de) | 1995-02-27 |
| PL293427A1 (en) | 1992-10-19 |
| CZ39292A3 (en) | 1993-12-15 |
| ATE114383T1 (de) | 1994-12-15 |
| HUT64108A (en) | 1993-11-29 |
| PL169844B1 (pl) | 1996-09-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| DGB9 | Succession in title of applicant |
Owner name: VACUUMSCHMELZE GMBH, DE |
|
| HMM4 | Cancellation of final prot. due to non-payment of fee |