CN1310849A - 通过锻造制备磁性材料的方法和粉末形式的磁性材料 - Google Patents
通过锻造制备磁性材料的方法和粉末形式的磁性材料 Download PDFInfo
- Publication number
- CN1310849A CN1310849A CN99808843A CN99808843A CN1310849A CN 1310849 A CN1310849 A CN 1310849A CN 99808843 A CN99808843 A CN 99808843A CN 99808843 A CN99808843 A CN 99808843A CN 1310849 A CN1310849 A CN 1310849A
- Authority
- CN
- China
- Prior art keywords
- alloy
- forging
- rare earth
- earth element
- transition elements
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 46
- 238000005242 forging Methods 0.000 title claims abstract description 42
- 239000000696 magnetic material Substances 0.000 title claims abstract description 18
- 239000000843 powder Substances 0.000 title claims description 14
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 57
- 239000000956 alloy Substances 0.000 claims abstract description 57
- 239000000463 material Substances 0.000 claims abstract description 35
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 26
- 238000000137 annealing Methods 0.000 claims abstract description 13
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052796 boron Inorganic materials 0.000 claims abstract description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 7
- 238000005121 nitriding Methods 0.000 claims abstract description 7
- 238000011282 treatment Methods 0.000 claims abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 25
- 230000007704 transition Effects 0.000 claims description 17
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 16
- 230000008569 process Effects 0.000 claims description 15
- 229910052742 iron Inorganic materials 0.000 claims description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims description 8
- 238000006356 dehydrogenation reaction Methods 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 7
- 229910052779 Neodymium Inorganic materials 0.000 claims description 5
- 238000005984 hydrogenation reaction Methods 0.000 claims description 5
- 230000005389 magnetism Effects 0.000 claims description 5
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical group [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 5
- 229910052772 Samarium Inorganic materials 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical compound [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 229910052723 transition metal Inorganic materials 0.000 abstract description 6
- 150000003624 transition metals Chemical class 0.000 abstract description 6
- 150000002910 rare earth metals Chemical class 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 description 8
- 239000012298 atmosphere Substances 0.000 description 6
- 239000010949 copper Substances 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 239000000654 additive Substances 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229910052777 Praseodymium Inorganic materials 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 239000010955 niobium Substances 0.000 description 2
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 description 2
- 238000007725 thermal activation Methods 0.000 description 2
- 229910000521 B alloy Inorganic materials 0.000 description 1
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical group [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 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
- 125000004429 atom Chemical group 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- FFBHFFJDDLITSX-UHFFFAOYSA-N benzyl N-[2-hydroxy-4-(3-oxomorpholin-4-yl)phenyl]carbamate Chemical compound OC1=C(NC(=O)OCC2=CC=CC=C2)C=CC(=C1)N1CCOCC1=O FFBHFFJDDLITSX-UHFFFAOYSA-N 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 150000004678 hydrides Chemical class 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 238000006902 nitrogenation reaction Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
- 229910052726 zirconium Inorganic materials 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
- H01F1/0576—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 pressed, e.g. hot working
-
- 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
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
- H01F41/0273—Imparting anisotropy
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Hard Magnetic Materials (AREA)
- Soft Magnetic Materials (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Powder Metallurgy (AREA)
Abstract
Description
实施例 | 套管与合金的质量(克) | 直径(毫米) | 高度(毫米) | 套管的厚度(毫米) |
1 | 20.18 | 12 | 25 | 2 |
2 | 15.76 | 12 | 20 | 1 |
3 | 20.31 | 12 | 25 | 1 |
4 | 19.98 | 12 | 24.5 | 1 |
实施例 | T1(℃) | T2(℃) | E(s-1) | Tr1 | Tr2 |
1 | 980 | 890 | 95.0 | 4.39 | 6.25 |
2 | 1060 | -- | 112.5 | 5.90 | -- |
3 | 995 | -- | 95.6 | 6.00 | -- |
4 | 1000 | -- | 92 | 6 | -- |
实施例 | V1(m/s) | V2(m/s) | P1(kw/g) | P2(kw/g) |
1 | 4.75 | 4 | 10.3 | 70 |
2 | 4.54 | - | 13.9 | - |
3 | 4.78 | - | 9.8 | - |
4 | 4.48 | - | 8.3 | - |
实施例 | 矫顽力Hc | 剩磁Br | 产品能量 | |||
kOe | KA/m | KG | T | MGOe | KJ/m3 | |
1 | 9.5 | 756 | 10 | 1 | 17.5 | 139 |
2 | 10.0 | 796 | 10 | 1 | 16 | 127 |
3 | 9.5 | 756 | 10 | 1 | 17.5 | 139 |
4 | 10.1 | 804 | 9.9 | 0.99 | 21 | 167 |
Claims (18)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9806745A FR2779267B1 (fr) | 1998-05-28 | 1998-05-28 | Procede de preparation d'un materiau magnetique par forgeage et materiau magnetique sous forme de poudre |
FR98/06745 | 1998-05-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1310849A true CN1310849A (zh) | 2001-08-29 |
CN1142562C CN1142562C (zh) | 2004-03-17 |
Family
ID=9526820
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB998088439A Expired - Lifetime CN1142562C (zh) | 1998-05-28 | 1999-05-26 | 通过锻造制备磁性材料的方法和粉末形式的磁性材料 |
Country Status (10)
Country | Link |
---|---|
US (1) | US6592682B1 (zh) |
EP (1) | EP1082733B1 (zh) |
JP (1) | JP3668134B2 (zh) |
CN (1) | CN1142562C (zh) |
AT (1) | ATE236450T1 (zh) |
AU (1) | AU3935399A (zh) |
DE (1) | DE69906513T2 (zh) |
FR (1) | FR2779267B1 (zh) |
TW (1) | TW558469B (zh) |
WO (1) | WO1999062080A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103031414A (zh) * | 2012-12-28 | 2013-04-10 | 哈尔滨工业大学 | 一种定向凝固钕铁硼磁性合金的制备方法 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2948688B1 (fr) | 2009-07-31 | 2012-02-03 | Centre Nat Rech Scient | Procede et dispositif de traitement d'un materiau sous l'effet d'un champ magnetique |
KR102100898B1 (ko) | 2011-06-10 | 2020-04-16 | 액시플룩스 홀딩스 피티와이 엘티디 | 전기 모터/발전기 |
DE102016217138A1 (de) | 2016-09-08 | 2018-03-08 | Robert Bosch Gmbh | Verfahren und zugehörige Schmiedehohlform zur Herstellung eines heißumgeformten Magneten |
EP3625807B1 (en) * | 2017-05-19 | 2021-03-24 | Robert Bosch GmbH | Hot deformed magnet, and a method for preparing said hot deformed magnet |
DE102018105250A1 (de) * | 2018-03-07 | 2019-09-12 | Technische Universität Darmstadt | Verfahren zur Herstellung eines Permanentmagnets oder eines hartmagnetischen Materials |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6136099A (en) * | 1985-08-13 | 2000-10-24 | Seiko Epson Corporation | Rare earth-iron series permanent magnets and method of preparation |
JPH01175207A (ja) * | 1987-12-28 | 1989-07-11 | Seiko Epson Corp | 永久磁石の製造方法 |
FR2648948B1 (fr) * | 1989-06-23 | 1993-12-31 | Baikowski Pierre Synthetique | Procede perfectionne pour la preparation d'aimants permanents a hautes performances a base de neodyme-fer-bore |
US5580396A (en) * | 1990-07-02 | 1996-12-03 | Centre National De La Recherche Scientifique (Cnrs) | Treatment of pulverant magnetic materials and products thus obtained |
JPH0491403A (ja) * | 1990-08-02 | 1992-03-24 | Fuji Elelctrochem Co Ltd | 異方性永久磁石 |
JP2580066B2 (ja) * | 1990-08-02 | 1997-02-12 | 富士電気化学株式会社 | 異方性永久磁石 |
JPH04134806A (ja) * | 1990-09-27 | 1992-05-08 | Seiko Epson Corp | 永久磁石の製造方法 |
JP3084748B2 (ja) * | 1991-04-25 | 2000-09-04 | セイコーエプソン株式会社 | 希土類永久磁石の製造方法 |
JPH05135924A (ja) * | 1991-11-14 | 1993-06-01 | Seiko Epson Corp | 希土類永久磁石の製造方法 |
JPH05175027A (ja) * | 1991-12-25 | 1993-07-13 | Aichi Steel Works Ltd | 永久磁石材料 |
US5516371A (en) * | 1994-09-22 | 1996-05-14 | Korea Research Institute Of Standard And Science | Method of manufacturing magnets |
-
1998
- 1998-05-28 FR FR9806745A patent/FR2779267B1/fr not_active Expired - Fee Related
-
1999
- 1999-05-26 US US09/701,286 patent/US6592682B1/en not_active Expired - Lifetime
- 1999-05-26 EP EP99922227A patent/EP1082733B1/fr not_active Expired - Lifetime
- 1999-05-26 DE DE69906513T patent/DE69906513T2/de not_active Expired - Lifetime
- 1999-05-26 CN CNB998088439A patent/CN1142562C/zh not_active Expired - Lifetime
- 1999-05-26 JP JP2000551403A patent/JP3668134B2/ja not_active Expired - Fee Related
- 1999-05-26 AT AT99922227T patent/ATE236450T1/de not_active IP Right Cessation
- 1999-05-26 AU AU39353/99A patent/AU3935399A/en not_active Abandoned
- 1999-05-26 WO PCT/FR1999/001234 patent/WO1999062080A1/fr active IP Right Grant
- 1999-07-26 TW TW088108853A patent/TW558469B/zh active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103031414A (zh) * | 2012-12-28 | 2013-04-10 | 哈尔滨工业大学 | 一种定向凝固钕铁硼磁性合金的制备方法 |
CN103031414B (zh) * | 2012-12-28 | 2014-03-05 | 哈尔滨工业大学 | 一种定向凝固钕铁硼磁性合金的制备方法 |
Also Published As
Publication number | Publication date |
---|---|
AU3935399A (en) | 1999-12-13 |
FR2779267B1 (fr) | 2000-08-11 |
WO1999062080A1 (fr) | 1999-12-02 |
JP3668134B2 (ja) | 2005-07-06 |
US6592682B1 (en) | 2003-07-15 |
CN1142562C (zh) | 2004-03-17 |
FR2779267A1 (fr) | 1999-12-03 |
JP2002516925A (ja) | 2002-06-11 |
EP1082733A1 (fr) | 2001-03-14 |
DE69906513D1 (de) | 2003-05-08 |
DE69906513T2 (de) | 2004-02-19 |
TW558469B (en) | 2003-10-21 |
ATE236450T1 (de) | 2003-04-15 |
EP1082733B1 (fr) | 2003-04-02 |
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