CA2034632C - Hot worked rare earth-iron-carbon magnets - Google Patents
Hot worked rare earth-iron-carbon magnetsInfo
- Publication number
- CA2034632C CA2034632C CA 2034632 CA2034632A CA2034632C CA 2034632 C CA2034632 C CA 2034632C CA 2034632 CA2034632 CA 2034632 CA 2034632 A CA2034632 A CA 2034632A CA 2034632 C CA2034632 C CA 2034632C
- Authority
- CA
- Canada
- Prior art keywords
- percent
- iron
- neodymium
- rare earth
- praseodymium
- 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
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 28
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 59
- 239000000203 mixture Substances 0.000 claims description 34
- 229910052742 iron Inorganic materials 0.000 claims description 28
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 27
- 229910052779 Neodymium Inorganic materials 0.000 claims description 26
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 claims description 26
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 18
- 229910052777 Praseodymium Inorganic materials 0.000 claims description 16
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 claims description 16
- 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 claims description 13
- 229910017052 cobalt Inorganic materials 0.000 claims description 9
- 239000010941 cobalt Substances 0.000 claims description 9
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 9
- 239000013078 crystal Substances 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 9
- 238000007731 hot pressing Methods 0.000 claims description 8
- 230000005415 magnetization Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 150000002910 rare earth metals Chemical class 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 abstract description 6
- 239000000956 alloy Substances 0.000 abstract description 6
- ZWKKPKNPCSTXGA-UHFFFAOYSA-N iron neodymium Chemical compound [Fe].[Fe].[Nd] ZWKKPKNPCSTXGA-UHFFFAOYSA-N 0.000 abstract 1
- XECKBNPXXWFJCN-UHFFFAOYSA-N iron praseodymium Chemical compound [Fe].[Fe].[Fe].[Fe].[Fe].[Fe].[Fe].[Fe].[Fe].[Fe].[Fe].[Fe].[Fe].[Fe].[Fe].[Fe].[Fe].[Pr].[Pr] XECKBNPXXWFJCN-UHFFFAOYSA-N 0.000 abstract 1
- 239000000463 material Substances 0.000 description 10
- 230000005347 demagnetization Effects 0.000 description 6
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 5
- KCCNHESVSGVVOA-UHFFFAOYSA-N [C].[Fe].[Nd] Chemical compound [C].[Fe].[Nd] KCCNHESVSGVVOA-UHFFFAOYSA-N 0.000 description 5
- 229910052796 boron Inorganic materials 0.000 description 5
- 239000012634 fragment Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000003825 pressing Methods 0.000 description 5
- 239000000843 powder Substances 0.000 description 4
- 229910002804 graphite Inorganic materials 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 239000002243 precursor Substances 0.000 description 3
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910001172 neodymium magnet Inorganic materials 0.000 description 2
- 238000007712 rapid solidification Methods 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910002483 Cu Ka Inorganic materials 0.000 description 1
- 229910017112 Fe—C Inorganic materials 0.000 description 1
- 229910001102 IRON-RARE EARTH-BORON Inorganic materials 0.000 description 1
- HOAIHAFHOHBXHU-UHFFFAOYSA-N [B].[C].[Nd].[Dy].[Fe] Chemical compound [B].[C].[Nd].[Dy].[Fe] HOAIHAFHOHBXHU-UHFFFAOYSA-N 0.000 description 1
- BABZMVBMIRTZDJ-UHFFFAOYSA-N [C].[Dy].[Fe] Chemical compound [C].[Dy].[Fe] BABZMVBMIRTZDJ-UHFFFAOYSA-N 0.000 description 1
- 239000012300 argon atmosphere Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000006247 magnetic powder Substances 0.000 description 1
- 238000002074 melt spinning Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000012768 molten material Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000000634 powder X-ray diffraction Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000010453 quartz Substances 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
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 229910052723 transition metal Inorganic materials 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
- H01F1/058—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IVa elements, e.g. Gd2Fe14C
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)
- Hard Magnetic Materials (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US622,690 | 1984-06-20 | ||
| US48212490A | 1990-02-20 | 1990-02-20 | |
| USC.I.P.482,124 | 1990-02-20 | ||
| US07/622,690 US5085716A (en) | 1990-02-20 | 1990-12-05 | Hot worked rare earth-iron-carbon magnets |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2034632A1 CA2034632A1 (en) | 1991-08-21 |
| CA2034632C true CA2034632C (en) | 1997-05-13 |
Family
ID=27047167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2034632 Expired - Fee Related CA2034632C (en) | 1990-02-20 | 1991-01-21 | Hot worked rare earth-iron-carbon magnets |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0443647A1 (enrdf_load_stackoverflow) |
| JP (1) | JPH05152119A (enrdf_load_stackoverflow) |
| CA (1) | CA2034632C (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5486240A (en) * | 1994-04-25 | 1996-01-23 | Iowa State University Research Foundation, Inc. | Carbide/nitride grain refined rare earth-iron-boron permanent magnet and method of making |
| JPH08100201A (ja) * | 1994-09-30 | 1996-04-16 | Takeshi Masumoto | 複合超微粒子及びその製造方法 |
| CN109695001B (zh) * | 2017-10-20 | 2020-09-29 | 鞍钢股份有限公司 | 一种新型稀土热作模具钢及其制备方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8702992A (nl) * | 1987-12-11 | 1989-07-03 | Philips Nv | Boriumvrij hardmagnetisch materiaal, dat een magnetische tetragonale phase bevat. |
-
1991
- 1991-01-21 CA CA 2034632 patent/CA2034632C/en not_active Expired - Fee Related
- 1991-02-04 EP EP91200208A patent/EP0443647A1/en not_active Withdrawn
- 1991-02-20 JP JP3047668A patent/JPH05152119A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0584043B2 (enrdf_load_stackoverflow) | 1993-11-30 |
| EP0443647A1 (en) | 1991-08-28 |
| JPH05152119A (ja) | 1993-06-18 |
| CA2034632A1 (en) | 1991-08-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |