JP4586937B2 - 耐食性磁石およびその製造方法 - Google Patents
耐食性磁石およびその製造方法 Download PDFInfo
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- JP4586937B2 JP4586937B2 JP2010506724A JP2010506724A JP4586937B2 JP 4586937 B2 JP4586937 B2 JP 4586937B2 JP 2010506724 A JP2010506724 A JP 2010506724A JP 2010506724 A JP2010506724 A JP 2010506724A JP 4586937 B2 JP4586937 B2 JP 4586937B2
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- magnet
- chemical conversion
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- conversion film
- corrosion
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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
- 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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/24—After-treatment of workpieces or articles
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/02—Making ferrous alloys by powder metallurgy
- C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
- C22C33/0278—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5%
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/34—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides
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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
- H01F1/0575—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
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- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/02—Permanent magnets [PM]
- H01F7/0205—Magnetic circuits with PM in general
- H01F7/0221—Mounting means for PM, supporting, coating, encapsulating PM
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/24—After-treatment of workpieces or articles
- B22F2003/241—Chemical after-treatment on the surface
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B22F2207/00—Aspects of the compositions, gradients
- B22F2207/01—Composition gradients
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C2202/00—Physical properties
- C22C2202/02—Magnetic
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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
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12465—All metal or with adjacent metals having magnetic properties, or preformed fiber orientation coordinate with shape
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Hard Magnetic Materials (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Powder Metallurgy (AREA)
- Chemical Treatment Of Metals (AREA)
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| PCT/JP2009/061913 WO2010001878A2 (ja) | 2008-07-04 | 2009-06-30 | 耐食性磁石およびその製造方法 |
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| EP (1) | EP2299455B1 (enExample) |
| JP (2) | JP4586937B2 (enExample) |
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| US20120299676A1 (en) * | 2009-12-28 | 2012-11-29 | Hitachi Metals, Ltd. | Corrosion-resistant magnet and method for producing the same |
| JP5573663B2 (ja) * | 2010-12-27 | 2014-08-20 | 日立金属株式会社 | 耐食性磁石の製造方法 |
| EP3088571B1 (en) * | 2015-04-28 | 2021-06-02 | The Boeing Company | Environmentally friendly aluminum coatings as sacrificial coatings for high strength steel alloys |
| KR102398932B1 (ko) | 2018-08-31 | 2022-05-16 | 주식회사 엘지화학 | 자석 분말의 제조 방법 및 자석 분말 |
| US12230438B2 (en) | 2020-11-18 | 2025-02-18 | Nichia Corporation | Compound for bonded magnet, bonded magnet, method of producing same, and resin composition for bonded magnets |
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| JP2000199074A (ja) * | 1998-12-28 | 2000-07-18 | Nippon Parkerizing Co Ltd | 希土類・鉄系焼結永久磁石の沈着型表面処理液および表面処理方法、ならびに該表面処理方法により得られた表面を有する希土類・鉄系焼結永久磁石 |
| WO2002103080A1 (fr) * | 2001-06-15 | 2002-12-27 | Nihon Parkerizing Co., Ltd. | Solution traitante pour traitement de surface de metal et procede de traitement de surface |
| JP2004221196A (ja) * | 2003-01-10 | 2004-08-05 | Neomax Co Ltd | 高耐食性永久磁石およびその製造方法 |
| JP2007116142A (ja) * | 2005-09-26 | 2007-05-10 | Hitachi Ltd | 磁性材料，磁石及び回転機 |
| JP2008270699A (ja) * | 2007-03-29 | 2008-11-06 | Hitachi Ltd | 希土類磁石及びその製造方法 |
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| CA1316375C (en) | 1982-08-21 | 1993-04-20 | Masato Sagawa | Magnetic materials and permanent magnets |
| JPH0442517A (ja) | 1990-06-08 | 1992-02-13 | Shin Etsu Chem Co Ltd | 耐食性希土類永久磁石の製造方法 |
| JP2001076914A (ja) * | 1998-12-17 | 2001-03-23 | Sumitomo Special Metals Co Ltd | 希土類系永久磁石およびその製造方法 |
| US6281774B1 (en) * | 1999-09-10 | 2001-08-28 | Sumitomo Special Metals Co., Ltd. | Corrosion-resistant permanent magnet and method for producing the same |
| EP1180771B1 (en) * | 2000-08-11 | 2004-10-27 | Neomax Co., Ltd. | Rare earth metal-based permanent magnet having corrosion-resistant film and method for producing the same |
| JP2002198241A (ja) | 2000-08-11 | 2002-07-12 | Sumitomo Special Metals Co Ltd | 耐食性被膜を有する希土類系永久磁石およびその製造方法 |
| CN1934660A (zh) * | 2004-06-30 | 2007-03-21 | 信越化学工业株式会社 | 耐腐蚀的稀土磁体及其制造方法 |
| JP2006161110A (ja) * | 2004-12-08 | 2006-06-22 | Nippon Paint Co Ltd | 車両のシャシ用金属表面の塗装前処理方法及び粉体塗料の塗装方法 |
| JP2007116088A (ja) * | 2005-09-26 | 2007-05-10 | Hitachi Ltd | 磁性材料，磁石及び回転機 |
| JP4415980B2 (ja) * | 2006-08-30 | 2010-02-17 | 株式会社日立製作所 | 高抵抗磁石およびそれを用いたモータ |
| JP4900121B2 (ja) * | 2007-03-29 | 2012-03-21 | 日立化成工業株式会社 | フッ化物コート膜形成処理液およびフッ化物コート膜形成方法 |
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- 2009-06-30 US US13/002,571 patent/US8641833B2/en active Active
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000199074A (ja) * | 1998-12-28 | 2000-07-18 | Nippon Parkerizing Co Ltd | 希土類・鉄系焼結永久磁石の沈着型表面処理液および表面処理方法、ならびに該表面処理方法により得られた表面を有する希土類・鉄系焼結永久磁石 |
| WO2002103080A1 (fr) * | 2001-06-15 | 2002-12-27 | Nihon Parkerizing Co., Ltd. | Solution traitante pour traitement de surface de metal et procede de traitement de surface |
| JP2004221196A (ja) * | 2003-01-10 | 2004-08-05 | Neomax Co Ltd | 高耐食性永久磁石およびその製造方法 |
| JP2007116142A (ja) * | 2005-09-26 | 2007-05-10 | Hitachi Ltd | 磁性材料，磁石及び回転機 |
| JP2008270699A (ja) * | 2007-03-29 | 2008-11-06 | Hitachi Ltd | 希土類磁石及びその製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5516092B2 (ja) | 2014-06-11 |
| CN102084438A (zh) | 2011-06-01 |
| WO2010001878A3 (ja) | 2010-02-25 |
| JPWO2010001878A1 (ja) | 2011-12-22 |
| WO2010001878A2 (ja) | 2010-01-07 |
| EP2299455A2 (en) | 2011-03-23 |
| EP2299455B1 (en) | 2018-09-19 |
| JP2010263223A (ja) | 2010-11-18 |
| US20110186181A1 (en) | 2011-08-04 |
| US9275795B2 (en) | 2016-03-01 |
| EP2299455A4 (en) | 2017-05-17 |
| US8641833B2 (en) | 2014-02-04 |
| CN102084438B (zh) | 2012-11-21 |
| US20140083568A1 (en) | 2014-03-27 |
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