JP2013106016A - アルコール系溶液および焼結磁石 - Google Patents
アルコール系溶液および焼結磁石 Download PDFInfo
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- JP2013106016A JP2013106016A JP2011251206A JP2011251206A JP2013106016A JP 2013106016 A JP2013106016 A JP 2013106016A JP 2011251206 A JP2011251206 A JP 2011251206A JP 2011251206 A JP2011251206 A JP 2011251206A JP 2013106016 A JP2013106016 A JP 2013106016A
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- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
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- 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
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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
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/05—Metallic powder characterised by the size or surface area of the particles
- B22F1/054—Nanosized particles
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/05—Metallic powder characterised by the size or surface area of the particles
- B22F1/054—Nanosized particles
- B22F1/056—Submicron particles having a size above 100 nm up to 300 nm
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C33/00—Making ferrous alloys
- C22C33/02—Making ferrous alloys by powder metallurgy
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- 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
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
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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
- H01F1/0579—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B with exchange spin coupling between hard and soft nanophases, e.g. nanocomposite spring magnets
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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
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/16—Making metallic powder or suspensions thereof using chemical processes
- B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
- B22F9/24—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from liquid metal compounds, e.g. solutions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y25/00—Nanomagnetism, e.g. magnetoimpedance, anisotropic magnetoresistance, giant magnetoresistance or tunneling magnetoresistance
-
- 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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- 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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- 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
- H01F41/0293—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 diffusion of rare earth elements, e.g. Tb, Dy or Ho, into permanent magnets
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- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S977/00—Nanotechnology
- Y10S977/70—Nanostructure
- Y10S977/773—Nanoparticle, i.e. structure having three dimensions of 100 nm or less
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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
- Y10S977/00—Nanotechnology
- Y10S977/70—Nanostructure
- Y10S977/81—Of specified metal or metal alloy composition
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- Condensed Matter Physics & Semiconductors (AREA)
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- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Abstract
【解決手段】FeCo系粒子とフッ化物溶液とを混合したスラリーは、アルコール溶媒中にFeCo系粒子が1〜50wt%、希土類フッ化物粒子を0.001〜10wt%含有し、FeCo系粒子の粒径が20〜200nm、希土類フッ化物粒子の粒径が1〜50nmである。本スラリーをNd2Fe14B系粉と混合し、磁場中で成形後に焼結して焼結磁石を製造する。
【選択図】 図1
Description
Claims (6)
- FeCo系粒子と希土類フッ化物粒子が混合したアルコール系溶液において、
前記FeCo系粒子の粒径が前記希土類フッ化物粒子の粒径よりも大きく、
前記FeCo系粒子の粒径が20〜200nmであり、
前記希土類フッ化物粒子の粒径が1〜50nmであることを特徴とするアルコール系溶液。 - 請求項1に記載のアルコール系溶液において、
前記FeCo系粒子を1〜50wt%、前記希土類フッ化物粒子を0.001〜10wt%含有することを特徴とするアルコール系溶液。 - 請求項1または2に記載のアルコール系溶液において、
前記希土類フッ化物粒子の1〜90%が非晶質であることを特徴とするアルコール系溶液。 - 請求項3に記載のアルコール系溶液において、
前記FeCo系粒子は結晶質であることを特徴とするアルコール系溶液。 - 請求項1乃至4のいずれかに記載のアルコール系溶液と、Nd2Fe14B系粉とを混合して焼結して製造したことを特徴とする焼結磁石。
- 請求項5に記載の焼結磁石であって、
Nd2Fe14B系粒子とFeCo系粒子の間の粒界相に0.2〜50%のFe及び0.1〜50%のCoを有することを特徴とする焼結磁石。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011251206A JP5708454B2 (ja) | 2011-11-17 | 2011-11-17 | アルコール系溶液および焼結磁石 |
US13/677,472 US9373432B2 (en) | 2011-11-17 | 2012-11-15 | Alcoholic solution and sintered magnet |
CN201210461627.8A CN103123837B (zh) | 2011-11-17 | 2012-11-16 | 醇系溶液及烧结磁铁 |
Applications Claiming Priority (1)
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JP2011251206A JP5708454B2 (ja) | 2011-11-17 | 2011-11-17 | アルコール系溶液および焼結磁石 |
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JP2013106016A true JP2013106016A (ja) | 2013-05-30 |
JP5708454B2 JP5708454B2 (ja) | 2015-04-30 |
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JP2011251206A Expired - Fee Related JP5708454B2 (ja) | 2011-11-17 | 2011-11-17 | アルコール系溶液および焼結磁石 |
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US (1) | US9373432B2 (ja) |
JP (1) | JP5708454B2 (ja) |
CN (1) | CN103123837B (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013185222A (ja) * | 2012-03-08 | 2013-09-19 | Japan Science & Technology Agency | bcc型FeCo合金粒子及びその製造方法並びに磁石 |
JP2015056618A (ja) * | 2013-09-13 | 2015-03-23 | 株式会社リケン | 近傍界用電波吸収シート |
JP2019206742A (ja) * | 2018-05-30 | 2019-12-05 | 国立大学法人東北大学 | 希土類遷移金属合金粉末の製造方法 |
KR20200038254A (ko) * | 2017-09-12 | 2020-04-10 | 가부시끼가이샤 리켄 | 근방계용 노이즈 억제 시트 |
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CN107103975B (zh) | 2011-08-17 | 2020-06-16 | 明尼苏达大学董事会 | 氮化铁永磁体和用于形成氮化铁永磁体的技术 |
CA2899827C (en) * | 2013-02-07 | 2016-08-23 | Jian-Ping Wang | Iron nitride permanent magnet and technique for forming iron nitride permanent magnet |
CA2916483C (en) | 2013-06-27 | 2017-02-28 | Regents Of The University Of Minnesota | Iron nitride materials and magnets including iron nitride materials |
CA2944373A1 (en) | 2014-03-28 | 2015-10-01 | Regents Of The University Of Minnesota | Iron nitride magnetic material including coated nanoparticles |
US9994949B2 (en) | 2014-06-30 | 2018-06-12 | Regents Of The University Of Minnesota | Applied magnetic field synthesis and processing of iron nitride magnetic materials |
US10072356B2 (en) | 2014-08-08 | 2018-09-11 | Regents Of The University Of Minnesota | Magnetic material including α″-Fe16(NxZ1-x)2 or a mixture of α″-Fe16Z2 and α″-Fe16N2, where Z includes at least one of C, B, or O |
CA2957732A1 (en) | 2014-08-08 | 2016-02-11 | Regents Of The University Of Minnesota | Forming iron nitride hard magnetic materials using chemical vapor deposition or liquid phase epitaxy |
CN106796834A (zh) | 2014-08-08 | 2017-05-31 | 明尼苏达大学董事会 | 多层铁氮化物硬磁性材料 |
US10002694B2 (en) | 2014-08-08 | 2018-06-19 | Regents Of The University Of Minnesota | Inductor including alpha″-Fe16Z2 or alpha″-Fe16(NxZ1-x)2, where Z includes at least one of C, B, or O |
KR102100759B1 (ko) * | 2016-11-08 | 2020-04-14 | 주식회사 엘지화학 | 금속 분말의 제조 방법 및 금속 분말 |
US20200035412A1 (en) * | 2017-04-05 | 2020-01-30 | Brown University | Method of creating a magnet |
WO2019059256A1 (ja) * | 2017-09-25 | 2019-03-28 | 国立研究開発法人産業技術総合研究所 | 磁性材料とその製造法 |
EP3819924A4 (en) * | 2018-07-03 | 2022-04-06 | Industry-University Cooperation Foundation Hanyang University Erica Campus | HYBRID MAGNETIC FIBER AND METHOD FOR MAKING IT |
US11053135B2 (en) * | 2019-05-03 | 2021-07-06 | Aegis Technology Inc. | Scalable process for manufacturing iron cobalt nanoparticles with high magnetic moment |
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-
2012
- 2012-11-15 US US13/677,472 patent/US9373432B2/en not_active Expired - Fee Related
- 2012-11-16 CN CN201210461627.8A patent/CN103123837B/zh not_active Expired - Fee Related
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2013185222A (ja) * | 2012-03-08 | 2013-09-19 | Japan Science & Technology Agency | bcc型FeCo合金粒子及びその製造方法並びに磁石 |
JP2015056618A (ja) * | 2013-09-13 | 2015-03-23 | 株式会社リケン | 近傍界用電波吸収シート |
KR101568842B1 (ko) * | 2013-09-13 | 2015-11-12 | 가부시끼가이샤 리켄 | 근방계용 전파 흡수 시트 |
KR20200038254A (ko) * | 2017-09-12 | 2020-04-10 | 가부시끼가이샤 리켄 | 근방계용 노이즈 억제 시트 |
KR102155542B1 (ko) | 2017-09-12 | 2020-09-14 | 가부시끼가이샤 리켄 | 근방계용 노이즈 억제 시트 |
JP2019206742A (ja) * | 2018-05-30 | 2019-12-05 | 国立大学法人東北大学 | 希土類遷移金属合金粉末の製造方法 |
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Also Published As
Publication number | Publication date |
---|---|
CN103123837B (zh) | 2017-03-01 |
JP5708454B2 (ja) | 2015-04-30 |
US20130126775A1 (en) | 2013-05-23 |
US9373432B2 (en) | 2016-06-21 |
CN103123837A (zh) | 2013-05-29 |
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