CN1215501C - 有耐腐蚀膜的稀土金属为基础的永磁体及其生产方法 - Google Patents
有耐腐蚀膜的稀土金属为基础的永磁体及其生产方法 Download PDFInfo
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- CN1215501C CN1215501C CNB001264079A CN00126407A CN1215501C CN 1215501 C CN1215501 C CN 1215501C CN B001264079 A CNB001264079 A CN B001264079A CN 00126407 A CN00126407 A CN 00126407A CN 1215501 C CN1215501 C CN 1215501C
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- film
- silicon compound
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Classifications
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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
- H01F1/059—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and Va elements, e.g. Sm2Fe17N2
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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
-
- 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
- H01F1/12—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 soft-magnetic materials
- H01F1/34—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 soft-magnetic materials non-metallic substances, e.g. ferrites
- H01F1/342—Oxides
- H01F1/344—Ferrites, e.g. having a cubic spinel structure (X2+O)(Y23+O3), e.g. magnetite Fe3O4
-
- 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
- H01F41/026—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 protecting methods against environmental influences, e.g. oxygen, by surface treatment
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/90—Magnetic feature
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/922—Static electricity metal bleed-off metallic stock
- Y10S428/923—Physical dimension
- Y10S428/924—Composite
- Y10S428/926—Thickness of individual layer specified
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/922—Static electricity metal bleed-off metallic stock
- Y10S428/9265—Special properties
- Y10S428/928—Magnetic property
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31652—Of asbestos
- Y10T428/31663—As siloxane, silicone or silane
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31678—Of metal
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- Engineering & Computer Science (AREA)
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- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Dispersion Chemistry (AREA)
- Hard Magnetic Materials (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Powder Metallurgy (AREA)
Abstract
Description
A(注1) | B(注2) | 加入组分的比例(摩尔比) | 粘度(N·s/m2) | pH值 | ||||
硅化合物 | 硝酸 | 乙酸 | 水 | |||||
实施例1 | 1∶1 | 10 | 1 | 0.01 | 1.5 | 2.5 | 1.4×10-3 | 3.8 |
实施例2 | 1∶1 | 10 | 1 | 0.01 | 1.5 | 2.5 | 1.4×10-3 | 4.0 |
实施例3 | 1∶1 | 15 | 1 | - | - | 2.4 | (1-2)×10-3 | 4.5 |
提拉速率(厘米/分) | 热处理 | |
实施例1 | 10 | 200℃×20分 |
实施例2 | 10 | 200℃×20分 |
实施例3 | 5 | 200℃×20分 |
A(注1) | B(注2) | 加入组分的比例(摩尔比) | 粘度(N·s/m2) | pH值 | ||||
硅化合物 | 硝酸 | 乙酸 | 水 | |||||
实施例4 | 1∶1 | 15 | 1 | - | - | 2.4 | (1~2)×10-3 | 4.5 |
提拉速率(厘米/分) | 热处理 | |
实施例4 | 5 | 150℃×30分 |
A(注1) | B(注2) | 加入组分的比例(摩尔比) | 粘度(N·s/m2) | pH值 | ||||
硅化合物 | 硝酸 | 乙酸 | 水 | |||||
实施例5 | 1∶1 | 15 | 1 | - | - | 2.9 | 3.0×10-3 | 5.3 |
实施例6 | 1∶1 | 15 | 1 | - | - | 2.9 | 9.2×10-3 | 5.7 |
实施例7 | 1∶1 | 15 | 1 | - | - | 2.9 | 18.9×10-3 | 5.9 |
实施例8 | 1∶1 | 15 | 1 | - | - | 2.9 | 31.5×10-3 | 6.1 |
提拉速率(厘米/分) | 热处理 | |
实施例5 | 5 | 200℃×20分 |
实施例6 | 1.5 | 200℃×20分 |
实施例7 | 0.7 | 200℃×20分 |
实施例8 | 0.2 | 200℃×20分 |
膜厚度(微米) | 耐腐蚀加速试验的结果 | |
实施例5 | 2.7 | 从试验开始到350小时未生成锈斑 |
实施例6 | 3.1 | 从试验开始到350小时未生成锈斑 |
实施例7 | 3.3 | 从试验开始到350小时未生成锈斑 |
实施例8 | 4.1 | 从试验开始到350小时未生成锈斑 |
硅化合物 | 无机细颗粒 | 有机溶剂 | ||||
金属氧化物的细颗粒 | 平均粒度 | 制备方法 | 分散剂 | |||
实施例9 | 一甲基三乙氧基硅烷 | SiO2 | 15纳米 | 液相法 | 乙二醇 | 乙醇 |
实施例10 | 一甲基三乙氧基硅烷 | SiO2 | 85纳米 | 液相法 | 乙二醇 | 乙醇 |
对比例3 | 一甲基三乙氧基硅氧 | SiO2 | 420纳米 | 液相法 | 不用 | 乙醇 |
A(注1) | B(注2) | 加入组分的比例(摩尔比) | 粘度(N·s/m2) | pH值 | ||||
硅化合物 | 硝酸 | 乙酸 | 水 | |||||
实施例9 | 1∶0.25 | 10 | 1 | - | - | 2.4 | 3.3×10-3 | 4.8 |
实施例10 | 1∶0.25 | 10 | 1 | - | - | 2.4 | 3.2×10-3 | 4.9 |
对比例3 | 1∶0.25 | 10 | 1 | - | - | 2.4 | - | - |
提拉速率(厘米/分) | 热处理 | |
实施例9 | 5 | 200℃×20分 |
实施例10 | 5 | 200℃×20分 |
对比例3 | - | 200℃×20分 |
膜厚度(微米) | 耐腐蚀加速试验的结果 | |
实施例9 | 1.7 | 从试验开始到300小时未生成锈斑 |
实施例10 | 1.6 | 从试验开始到200小时未生成锈斑 |
对比例3 | - | - |
Claims (13)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP243473/1999 | 1999-08-30 | ||
JP24347399 | 1999-08-30 | ||
JP2000238587A JP3159693B1 (ja) | 1999-08-30 | 2000-08-07 | 耐食性被膜を有する希土類系永久磁石の製造方法 |
JP238587/2000 | 2000-08-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1286483A CN1286483A (zh) | 2001-03-07 |
CN1215501C true CN1215501C (zh) | 2005-08-17 |
Family
ID=26536275
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB001264079A Expired - Lifetime CN1215501C (zh) | 1999-08-30 | 2000-08-30 | 有耐腐蚀膜的稀土金属为基础的永磁体及其生产方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US6376089B1 (zh) |
EP (1) | EP1081724B1 (zh) |
JP (1) | JP3159693B1 (zh) |
CN (1) | CN1215501C (zh) |
DE (1) | DE60036766T2 (zh) |
ID (1) | ID27103A (zh) |
MY (1) | MY121489A (zh) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1315005B1 (en) * | 2000-08-30 | 2007-10-10 | Nikon Corporation | Method of forming optical thin film |
JP5001509B2 (ja) * | 2000-11-08 | 2012-08-15 | ニコメッド ゲゼルシャフト ミット ベシュレンクテル ハフツング | マガルドレート粉末の再水和法 |
DE10210849B4 (de) * | 2002-03-12 | 2009-06-18 | Vacuumschmelze Gmbh & Co. Kg | Verwendung eines Stoffes und ein Verfahren zur Beschichtung von Oberflächen von Körpern sowie Seltene-Erden-Magnetkörper mit einer entsprechenden Beschichtung |
SG107103A1 (en) * | 2002-05-24 | 2004-11-29 | Ntu Ventures Private Ltd | Process for producing nanocrystalline composites |
KR101073326B1 (ko) * | 2002-11-29 | 2011-10-12 | 히타치 긴조쿠 가부시키가이샤 | 내식성 희토류계 영구자석의 제조방법, 내식성 희토류계영구자석, 워크의 딥 스핀코팅법 및 워크의 도포막형성방법 |
US20060054245A1 (en) * | 2003-12-31 | 2006-03-16 | Shiqiang Liu | Nanocomposite permanent magnets |
JP2008505500A (ja) * | 2004-06-30 | 2008-02-21 | ユニバーシティ・オブ・デイトン | 異方性ナノコンポジット希土類永久磁石とそれらの製造方法 |
JP2006049865A (ja) * | 2004-06-30 | 2006-02-16 | Shin Etsu Chem Co Ltd | 耐食性希土類磁石及びその製造方法 |
US20070160863A1 (en) * | 2004-06-30 | 2007-07-12 | Shin-Etsu Chemical Co., Ltd. | Corrosion resistant rare earth metal permanent magnets and process for production thereof |
JP2006049863A (ja) * | 2004-06-30 | 2006-02-16 | Shin Etsu Chem Co Ltd | 耐食性希土類磁石及びその製造方法 |
JP4506708B2 (ja) * | 2006-03-31 | 2010-07-21 | Tdk株式会社 | 希土類磁石の製造方法 |
JP4548378B2 (ja) * | 2006-03-31 | 2010-09-22 | Tdk株式会社 | 希土類磁石 |
JP4775104B2 (ja) * | 2006-05-09 | 2011-09-21 | Tdk株式会社 | 希土類磁石 |
JP4835407B2 (ja) * | 2006-11-28 | 2011-12-14 | Tdk株式会社 | 希土類磁石及びその製造方法 |
MY149353A (en) * | 2007-03-16 | 2013-08-30 | Shinetsu Chemical Co | Rare earth permanent magnet and its preparations |
CN108933010B (zh) * | 2018-06-28 | 2020-06-30 | 宁波招宝磁业有限公司 | 一种高矫顽力钕铁硼磁体的制备方法 |
CN109836176B (zh) * | 2018-12-25 | 2021-11-09 | 安徽中马磁能科技股份有限公司 | 一种永磁铁氧体磁瓦的除锈工艺 |
JP7400241B2 (ja) * | 2019-07-25 | 2023-12-19 | Tdk株式会社 | 複合磁性粉及びこれを用いた圧粉磁心 |
CN111940266A (zh) * | 2020-04-10 | 2020-11-17 | 中磁科技股份有限公司 | 钕铁硼产品的涂覆工艺 |
CN112259359B (zh) | 2020-12-22 | 2021-03-19 | 北京中科三环高技术股份有限公司 | 烧结钕铁硼磁体及其防腐蚀处理方法 |
CN113921261B (zh) * | 2021-08-12 | 2023-10-20 | 中国计量大学 | 一种高性能高电阻率复合磁体的制备方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS599101A (ja) * | 1982-07-06 | 1984-01-18 | Dainippon Ink & Chem Inc | 表面処理された希土類磁性粉末およびその製造方法 |
US5840375A (en) * | 1995-06-22 | 1998-11-24 | Shin-Etsu Chemical Co., Ltd. | Method for the preparation of a highly corrosion resistant rare earth based permanent magnet |
US6174609B1 (en) * | 1997-12-19 | 2001-01-16 | Shin-Etsu Chemical Co., Ltd. | Rare earth-based permanent magnet of high corrosion resistance |
JP2000040609A (ja) * | 1998-07-22 | 2000-02-08 | Shin Etsu Chem Co Ltd | 高耐食性永久磁石及びその製造方法 |
-
2000
- 2000-08-07 JP JP2000238587A patent/JP3159693B1/ja not_active Expired - Lifetime
- 2000-08-17 MY MYPI20003776A patent/MY121489A/en unknown
- 2000-08-21 DE DE2000636766 patent/DE60036766T2/de not_active Expired - Lifetime
- 2000-08-21 EP EP20000117944 patent/EP1081724B1/en not_active Expired - Lifetime
- 2000-08-29 US US09/649,593 patent/US6376089B1/en not_active Expired - Lifetime
- 2000-08-30 CN CNB001264079A patent/CN1215501C/zh not_active Expired - Lifetime
- 2000-08-30 ID ID20000735D patent/ID27103A/id unknown
Also Published As
Publication number | Publication date |
---|---|
EP1081724A3 (en) | 2001-06-20 |
JP3159693B1 (ja) | 2001-04-23 |
DE60036766T2 (de) | 2008-07-24 |
MY121489A (en) | 2006-01-28 |
JP2001143949A (ja) | 2001-05-25 |
CN1286483A (zh) | 2001-03-07 |
ID27103A (id) | 2001-03-01 |
EP1081724B1 (en) | 2007-10-17 |
EP1081724A2 (en) | 2001-03-07 |
US6376089B1 (en) | 2002-04-23 |
DE60036766D1 (de) | 2007-11-29 |
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