CN1057630C - 磁各向异性的球状粉粒及其制造方法 - Google Patents
磁各向异性的球状粉粒及其制造方法 Download PDFInfo
- Publication number
- CN1057630C CN1057630C CN94105584A CN94105584A CN1057630C CN 1057630 C CN1057630 C CN 1057630C CN 94105584 A CN94105584 A CN 94105584A CN 94105584 A CN94105584 A CN 94105584A CN 1057630 C CN1057630 C CN 1057630C
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- Prior art keywords
- powder
- magnetic
- magnet
- basically
- hydrogen
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- 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
- H01F1/0574—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 obtained by liquid dynamic compaction
-
- 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
- H01F1/0573—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 obtained by reduction or by hydrogen decrepitation or embrittlement
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- 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)
Abstract
Description
元 素 | 批料A | 批料B | 批料C | 批料D |
Nd | 26.66 | 26.70 | 29.56 | 29.56 |
La | 1.49 | 1.50 | 1.46 | 1.45 |
Pr | 0.24 | 0.24 | 0.35 | 0.35 |
Dy | 3.99 | 4.00 | 0.56 | 0.55 |
Al | 0.36 | 0.36 | 0.40 | 0.41 |
B | 1.32 | 1.34 | 1.38 | 1.39 |
全部稀土 | 32.38 | 32.44 | 31.93 | 31.91 |
Fe | 其余 | 其余 | 其余 | 其余 |
表2Hci(kOe) | ||||
处理 | 批料A | 批料B | 批料C | 批料D |
HDDR@850℃ | 10.4 | 8.6 | 9.7 | 9.2 |
HDDR@900℃ | 15.3 | 13.8 | 12.0 | 7.3 |
HDDR@1000℃ | 14.2 | 13.8 | 10.5 | 12.1 |
性能 | 批料A | 批料B | 批料C | 批料D |
Br(kG) | 8.2 | 8.1 | 8.5 | 9.4 |
Hci(kOe) | 15.5 | 14.7 | 12.8 | 9.0 |
BHmax(MGOe) | 14.5 | 13.0 | 16.0 | 15.0 |
批料E | Nd11.7 Dy1.3 Fe80.5 B6.5 |
批料F | Nd11.7 Dy1.3 Fe80 Nb0.5 B6.5 |
批料G | Nd12.6 Dy1.4 Fe79.5 B6.5 |
批料H | Nd12.6 Dy1.4 Fe79 Nb0.5 B6.5 |
Hci(kOe) | ||||
处 理 | 批料E | 批料F | 批料G | 批料H |
已雾化(A-A) | 0.9 | 2.1 | 2.0 | 3.0 |
A-A 并在 @500℃下等温处理 | 1.0 | 2.1 | 2.0 | 3.0 |
A-A 并在 @600℃下等温处理 | 1.8 | 3.1 | 3.3 | 6.3 |
A-A 并在 @700℃下等温处理 | 3.0 | 4.2 | 3.8 | 4.8 |
HDDR@850℃ | 3.8 | 13.7 | 12.4 | 13.5 |
HDDR@850℃ 并在 @550℃下等温处理 | 10.9 | 14.6 | 9.0 | 14.2 |
HDDR@850℃ 并在 @600℃下等温处理 | 4.5 | 15.2 | 12.7 | 14.5 |
HDDR@850℃ 并在 @650℃下等温处理 | 4.1 | 14.9 | 11.6 | 14.4 |
HDDR@900℃ | 11.5 | 13.9 | 7.7 | 14.0 |
HDDR@900℃ 并在 @550℃下等温处理 | 12.4 | 15.9 | 7.2 | 15.2 |
HDDR@900℃ 并在 @600℃下等温处理 | 12.7 | 15.7 | 6.9 | 15.2 |
HDDR@900℃ 并在 @650℃下等温处理 | 12.2 | 14.8 | 8.0 | 15.1 |
HDDR@950℃ | 2.6 | 13.5 | 2.9 | 12.3 |
HDDR@950℃ 并在 @550℃下等温处理 | 2.1 | 14.7 | 2.6 | 3.1 |
HDDR@950℃ 并在 @600℃下等温处理 | 0.5 | 16.3 | 2.9 | 13.8 |
HDDR@950℃ 并在 @650℃下等温处理 | 1.8 | 14.6 | 2.5 | 8.2 |
批料E | 批料F | 批料G | 批料H | |
Br(kG) | 7.6 | 7. 8 | 4.6 | 6.2 |
Hci(kOe) | 12.7 | 15.7 | 6.9 | 15.2 |
BHmax(MGOe) | 8.8 | 15.5 | 5.0 | 7.5 |
Claims (31)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US069,276 | 1979-08-24 | ||
US069276 | 1993-05-28 | ||
US08/069,276 US5474623A (en) | 1993-05-28 | 1993-05-28 | Magnetically anisotropic spherical powder and method of making same |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1100228A CN1100228A (zh) | 1995-03-15 |
CN1057630C true CN1057630C (zh) | 2000-10-18 |
Family
ID=22087888
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN94105584A Expired - Lifetime CN1057630C (zh) | 1993-05-28 | 1994-05-27 | 磁各向异性的球状粉粒及其制造方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US5474623A (zh) |
EP (1) | EP0626703A3 (zh) |
JP (1) | JPH06346101A (zh) |
CN (1) | CN1057630C (zh) |
CA (1) | CA2124395C (zh) |
TW (1) | TW255973B (zh) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1059368C (zh) * | 1997-05-23 | 2000-12-13 | 冶金工业部钢铁研究总院 | 一种永磁体粉末的制备方法 |
JP2001524604A (ja) * | 1997-11-20 | 2001-12-04 | インスティトゥート フュア フェストケルパー− ウント ヴェルクシュトッフオルシュング ドレースデン エー ファウ | 磁気合金粉末の製法 |
JP2004115921A (ja) * | 1997-12-25 | 2004-04-15 | Nichia Chem Ind Ltd | Sm−Fe−N系合金粉末及びその製造方法 |
JPH11241104A (ja) * | 1997-12-25 | 1999-09-07 | Nichia Chem Ind Ltd | Sm−Fe−N系合金粉末及びその製造方法 |
AU2327300A (en) * | 1999-02-10 | 2000-08-29 | Hitachi Maxell, Ltd. | Magnetic recording medium, and magnetic powder and method for preparing the same |
US6261515B1 (en) | 1999-03-01 | 2001-07-17 | Guangzhi Ren | Method for producing rare earth magnet having high magnetic properties |
US6444052B1 (en) * | 1999-10-13 | 2002-09-03 | Aichi Steel Corporation | Production method of anisotropic rare earth magnet powder |
US6613213B1 (en) | 2000-03-27 | 2003-09-02 | Brookhaven Science Associates, Llc | Method for producing electrodes using microscale or nanoscale materials obtained from hydrogendriven metallurgical reactions |
US6555018B2 (en) * | 2001-02-28 | 2003-04-29 | Magnequench, Inc. | Bonded magnets made with atomized permanent magnetic powders |
JP4451760B2 (ja) * | 2004-11-09 | 2010-04-14 | 財団法人秋田県資源技術開発機構 | 球状NiP微小粒子の製造方法および異方性導電フィルム用導電粒子の製造方法 |
JP5088519B2 (ja) * | 2008-07-16 | 2012-12-05 | ミネベア株式会社 | 希土類−鉄系環状磁石の製造方法、及びモータ |
JP5059929B2 (ja) | 2009-12-04 | 2012-10-31 | 住友電気工業株式会社 | 磁石用粉末 |
JP5059955B2 (ja) | 2010-04-15 | 2012-10-31 | 住友電気工業株式会社 | 磁石用粉末 |
US9196403B2 (en) | 2010-05-19 | 2015-11-24 | Sumitomo Electric Industries, Ltd. | Powder for magnetic member, powder compact, and magnetic member |
JP6788955B2 (ja) * | 2014-09-30 | 2020-11-25 | 日亜化学工業株式会社 | ボンド磁石およびその製造方法 |
EP3360627B1 (de) * | 2017-02-08 | 2022-01-05 | Heraeus Deutschland GmbH & Co. KG | Pulver zur verwendung in einem additiven fertigungsverfahren |
DE102018101765B4 (de) * | 2018-01-26 | 2019-12-05 | Stahl Cranesystems Gmbh | Skalierbare Hysteresekupplung |
CN110014157A (zh) * | 2019-05-29 | 2019-07-16 | 浙江鑫盛永磁科技有限公司 | 防氧化的钕铁硼加工工艺 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0516264A1 (en) * | 1991-05-21 | 1992-12-02 | Crucible Materials Corporation | Producing method for high coercive rare earth-iron-boron magnetic particles |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4402770A (en) * | 1981-10-23 | 1983-09-06 | The United States Of America As Represented By The Secretary Of The Navy | Hard magnetic alloys of a transition metal and lanthanide |
GB8318009D0 (en) * | 1983-07-02 | 1983-08-03 | Lucas Ind Plc | Hydrogen storage |
GB8707905D0 (en) * | 1987-04-02 | 1987-05-07 | Univ Birmingham | Magnets |
CN1012477B (zh) * | 1987-08-19 | 1991-05-01 | 三菱金属株式会社 | 稀土-铁-硼磁体粉末及其制备方法 |
JPH01162302A (ja) * | 1987-12-18 | 1989-06-26 | Seiko Electronic Components Ltd | ボンド磁石用合金粉末の製造方法 |
US5143560A (en) * | 1990-04-20 | 1992-09-01 | Hitachi Metals, Inc., Ltd. | Method for forming Fe-B-R-T alloy powder by hydrogen decrepitation of die-upset billets |
JP3196224B2 (ja) * | 1991-02-01 | 2001-08-06 | 三菱マテリアル株式会社 | 希土類−Fe−Co−B系異方性磁石 |
US5314548A (en) * | 1992-06-22 | 1994-05-24 | General Motors Corporation | Fine grained anisotropic powder from melt-spun ribbons |
-
1993
- 1993-05-28 US US08/069,276 patent/US5474623A/en not_active Expired - Lifetime
-
1994
- 1994-05-11 EP EP94303386A patent/EP0626703A3/en not_active Withdrawn
- 1994-05-16 TW TW083104420A patent/TW255973B/zh not_active IP Right Cessation
- 1994-05-26 CA CA002124395A patent/CA2124395C/en not_active Expired - Lifetime
- 1994-05-27 CN CN94105584A patent/CN1057630C/zh not_active Expired - Lifetime
- 1994-05-27 JP JP6136751A patent/JPH06346101A/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0516264A1 (en) * | 1991-05-21 | 1992-12-02 | Crucible Materials Corporation | Producing method for high coercive rare earth-iron-boron magnetic particles |
Also Published As
Publication number | Publication date |
---|---|
TW255973B (zh) | 1995-09-01 |
US5474623A (en) | 1995-12-12 |
EP0626703A2 (en) | 1994-11-30 |
CN1100228A (zh) | 1995-03-15 |
JPH06346101A (ja) | 1994-12-20 |
EP0626703A3 (en) | 1995-01-25 |
CA2124395A1 (en) | 1994-11-29 |
CA2124395C (en) | 2006-10-17 |
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C53 | Correction of patent of invention or patent application | ||
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Applicant after: Ronaldo - Xilangke company Applicant after: Rodia Corp. Applicant before: Ronaldo - Xilangke special chemical company Applicant before: Ronaldo - Xilangke company |
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Address after: Arizona, USA Patentee after: Santoku America, Inc. Address before: American Connecticut Patentee before: Rhodia Rare Earth |
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