CN101809690A - 经表面改性的稀土类烧结磁铁的制造方法及经表面改性的稀土类烧结磁铁 - Google Patents
经表面改性的稀土类烧结磁铁的制造方法及经表面改性的稀土类烧结磁铁 Download PDFInfo
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- CN101809690A CN101809690A CN200880109023A CN200880109023A CN101809690A CN 101809690 A CN101809690 A CN 101809690A CN 200880109023 A CN200880109023 A CN 200880109023A CN 200880109023 A CN200880109023 A CN 200880109023A CN 101809690 A CN101809690 A CN 101809690A
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Images
Classifications
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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
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
- C23C8/10—Oxidising
- C23C8/16—Oxidising using oxygen-containing compounds, e.g. water, carbon dioxide
-
- 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
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
- C23C8/10—Oxidising
- C23C8/12—Oxidising using elemental oxygen or ozone
-
- 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
-
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Power Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Hard Magnetic Materials (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Powder Metallurgy (AREA)
Abstract
Description
Nd | Fe | 0 | |
最表层 | 1.1 | 85.4 | 13.4 |
非晶质层 | 38.7 | 52.0 | 8.7 |
Claims (15)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007252624 | 2007-09-27 | ||
JP2007-252624 | 2007-09-27 | ||
JP2008091830 | 2008-03-31 | ||
JP2008-091830 | 2008-03-31 | ||
PCT/JP2008/067527 WO2009041639A1 (ja) | 2007-09-27 | 2008-09-26 | 表面改質された希土類系焼結磁石の製造方法および表面改質された希土類系焼結磁石 |
Publications (2)
Publication Number | Publication Date |
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CN101809690A true CN101809690A (zh) | 2010-08-18 |
CN101809690B CN101809690B (zh) | 2012-07-25 |
Family
ID=40511519
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2008801090239A Active CN101809690B (zh) | 2007-09-27 | 2008-09-26 | 经表面改性的稀土类烧结磁铁的制造方法及经表面改性的稀土类烧结磁铁 |
Country Status (7)
Country | Link |
---|---|
US (1) | US9175376B2 (zh) |
EP (1) | EP2197007B1 (zh) |
JP (1) | JP4636207B2 (zh) |
KR (1) | KR101482816B1 (zh) |
CN (1) | CN101809690B (zh) |
BR (1) | BRPI0817453B1 (zh) |
WO (1) | WO2009041639A1 (zh) |
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CN103646776A (zh) * | 2013-12-03 | 2014-03-19 | 江苏大学 | 基于塑性约束的烧结钕铁硼磁体的机械表面改性方法 |
CN103762070A (zh) * | 2014-02-25 | 2014-04-30 | 张萍 | 一种表面改性的稀土永磁磁环的制备方法 |
CN103990794A (zh) * | 2014-06-10 | 2014-08-20 | 江苏巨鑫磁业有限公司 | 一种粘结钕铁硼快淬永磁粉残留结晶体氧化方法 |
CN111739705A (zh) * | 2020-07-17 | 2020-10-02 | 福建省长汀金龙稀土有限公司 | 一种r-t-b磁体材料、r-t-b材料及其制备方法 |
CN112259359A (zh) * | 2020-12-22 | 2021-01-22 | 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 |
CN112746296A (zh) * | 2019-12-02 | 2021-05-04 | 天津京磁电子元件制造有限公司 | 钕铁硼磁铁电镀铜的方法 |
CN113555208A (zh) * | 2021-06-11 | 2021-10-26 | 杭州电子科技大学 | 一种烧结钕铁硼磁体的表面处理方法及烧结钕铁硼磁体 |
CN114566370A (zh) * | 2022-03-02 | 2022-05-31 | 浙江大学 | 低温氧化/氮化处理提高钕铁硼抗蚀性的方法 |
CN114743783A (zh) * | 2022-04-11 | 2022-07-12 | 安徽省瀚海新材料股份有限公司 | 一种降低烧结钕铁硼磁体氧含量的方法 |
CN115602400A (zh) * | 2022-09-27 | 2023-01-13 | 宁波佳丰磁材科技有限公司(Cn) | 一种抗氧化钕铁硼磁体及其制备方法 |
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JP5609209B2 (ja) * | 2009-09-29 | 2014-10-22 | 日立金属株式会社 | 表面改質された希土類系焼結磁石の製造方法 |
JP5445125B2 (ja) * | 2009-12-28 | 2014-03-19 | 日立金属株式会社 | 表面改質されたR−Fe−B系焼結磁石の製造方法 |
EP2521141B1 (en) * | 2009-12-28 | 2016-11-09 | Hitachi Metals, Ltd. | Corrosion-resistant magnet and method for producing the same |
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JP6759649B2 (ja) * | 2016-03-23 | 2020-09-23 | Tdk株式会社 | 希土類磁石及びモーター |
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JP2001160508A (ja) * | 1999-09-24 | 2001-06-12 | Sumitomo Special Metals Co Ltd | R−Fe−B系永久磁石およびその製造方法 |
JP4190743B2 (ja) | 2000-05-31 | 2008-12-03 | 信越化学工業株式会社 | 希土類永久磁石の製造方法 |
JP4457881B2 (ja) * | 2003-12-25 | 2010-04-28 | Tdk株式会社 | 希土類磁石 |
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JP4457726B2 (ja) | 2004-03-29 | 2010-04-28 | Tdk株式会社 | 希土類磁石の製造方法及び希土類磁石 |
US9005780B2 (en) * | 2004-03-26 | 2015-04-14 | Tdk Corporation | Rare earth magnet, method for producing same and method for producing multilayer body |
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JP4276631B2 (ja) | 2005-02-28 | 2009-06-10 | Tdk株式会社 | 希土類磁石及びその製造方法 |
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JP2006049801A (ja) | 2004-06-28 | 2006-02-16 | Aisin Seiki Co Ltd | 耐食性磁石及びその製造方法 |
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2008
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CN103646776A (zh) * | 2013-12-03 | 2014-03-19 | 江苏大学 | 基于塑性约束的烧结钕铁硼磁体的机械表面改性方法 |
CN103646776B (zh) * | 2013-12-03 | 2015-11-18 | 江苏大学 | 基于塑性约束的烧结钕铁硼磁体的机械表面改性方法 |
CN103762070A (zh) * | 2014-02-25 | 2014-04-30 | 张萍 | 一种表面改性的稀土永磁磁环的制备方法 |
CN103762070B (zh) * | 2014-02-25 | 2016-05-04 | 浙江爱特新能源汽车有限公司 | 一种表面改性的稀土永磁磁环的制备方法 |
CN103990794A (zh) * | 2014-06-10 | 2014-08-20 | 江苏巨鑫磁业有限公司 | 一种粘结钕铁硼快淬永磁粉残留结晶体氧化方法 |
CN112746296A (zh) * | 2019-12-02 | 2021-05-04 | 天津京磁电子元件制造有限公司 | 钕铁硼磁铁电镀铜的方法 |
CN111739705A (zh) * | 2020-07-17 | 2020-10-02 | 福建省长汀金龙稀土有限公司 | 一种r-t-b磁体材料、r-t-b材料及其制备方法 |
CN112259359A (zh) * | 2020-12-22 | 2021-01-22 | 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 |
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 |
WO2022134662A1 (zh) * | 2020-12-22 | 2022-06-30 | 天津三环乐喜新材料有限公司 | 烧结钕铁硼磁体及其防腐蚀处理方法 |
DE112021002982T5 (de) | 2020-12-22 | 2023-03-09 | Beijing Zhong Ke San Huan Hi-Tech Co., Ltd. | Gesinterter Neodym-Eisen-Bor-Magnet und Verfahren seiner Korrosionsschutzbehandlung |
CN113555208A (zh) * | 2021-06-11 | 2021-10-26 | 杭州电子科技大学 | 一种烧结钕铁硼磁体的表面处理方法及烧结钕铁硼磁体 |
CN113555208B (zh) * | 2021-06-11 | 2023-11-10 | 杭州电子科技大学 | 一种烧结钕铁硼磁体的表面处理方法及烧结钕铁硼磁体 |
CN114566370A (zh) * | 2022-03-02 | 2022-05-31 | 浙江大学 | 低温氧化/氮化处理提高钕铁硼抗蚀性的方法 |
CN114743783A (zh) * | 2022-04-11 | 2022-07-12 | 安徽省瀚海新材料股份有限公司 | 一种降低烧结钕铁硼磁体氧含量的方法 |
CN114743783B (zh) * | 2022-04-11 | 2024-05-10 | 安徽省瀚海新材料股份有限公司 | 一种降低烧结钕铁硼磁体氧含量的方法 |
CN115602400A (zh) * | 2022-09-27 | 2023-01-13 | 宁波佳丰磁材科技有限公司(Cn) | 一种抗氧化钕铁硼磁体及其制备方法 |
CN115602400B (zh) * | 2022-09-27 | 2023-11-17 | 宁波佳丰磁材科技有限公司 | 一种抗氧化钕铁硼磁体及其制备方法 |
Also Published As
Publication number | Publication date |
---|---|
EP2197007A4 (en) | 2015-07-22 |
KR101482816B1 (ko) | 2015-01-14 |
JPWO2009041639A1 (ja) | 2011-01-27 |
EP2197007B1 (en) | 2018-03-21 |
US20100252145A1 (en) | 2010-10-07 |
JP4636207B2 (ja) | 2011-02-23 |
KR20100072261A (ko) | 2010-06-30 |
BRPI0817453A2 (pt) | 2015-06-16 |
EP2197007A1 (en) | 2010-06-16 |
CN101809690B (zh) | 2012-07-25 |
US9175376B2 (en) | 2015-11-03 |
WO2009041639A1 (ja) | 2009-04-02 |
BRPI0817453B1 (pt) | 2019-10-08 |
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