JP7391730B2 - 磁石材料、永久磁石、回転電機、及び車両 - Google Patents

磁石材料、永久磁石、回転電機、及び車両 Download PDF

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Publication number
JP7391730B2
JP7391730B2 JP2020042956A JP2020042956A JP7391730B2 JP 7391730 B2 JP7391730 B2 JP 7391730B2 JP 2020042956 A JP2020042956 A JP 2020042956A JP 2020042956 A JP2020042956 A JP 2020042956A JP 7391730 B2 JP7391730 B2 JP 7391730B2
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magnet
less
atomic
coercive force
satisfies
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JP2020155774A (ja
Inventor
将也 萩原
新哉 桜田
佳子 岡本
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Toshiba Corp
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Toshiba Corp
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032Magnets 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
    • H01F1/04Magnets 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
    • H01F1/047Alloys characterised by their composition
    • H01F1/053Alloys characterised by their composition containing rare earth metals
    • H01F1/055Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
    • H01F1/057Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032Magnets 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
    • H01F1/04Magnets 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
    • H01F1/047Alloys characterised by their composition
    • H01F1/053Alloys characterised by their composition containing rare earth metals
    • H01F1/055Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
    • H01F1/057Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
    • H01F1/0571Alloys 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032Magnets 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
    • H01F1/04Magnets 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
    • H01F1/047Alloys characterised by their composition
    • H01F1/053Alloys characterised by their composition containing rare earth metals
    • H01F1/055Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
    • H01F1/057Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
    • H01F1/0571Alloys 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
    • H01F1/0575Alloys 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
    • H01F1/0577Alloys 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032Magnets 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
    • H01F1/04Magnets 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
    • H01F1/047Alloys characterised by their composition
    • H01F1/053Alloys characterised by their composition containing rare earth metals
    • H01F1/055Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
    • H01F1/057Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
    • H01F1/0571Alloys 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
    • H01F1/0575Alloys 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
    • H01F1/0578Alloys 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 bonded together
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00Magnets
    • H01F7/02Permanent magnets [PM]
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/02Details of the magnetic circuit characterised by the magnetic material
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/64Electric machine technologies in electromobility

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Hard Magnetic Materials (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
  • Powder Metallurgy (AREA)
JP2020042956A 2019-03-14 2020-03-12 磁石材料、永久磁石、回転電機、及び車両 Active JP7391730B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2023038571A JP2023085305A (ja) 2019-03-14 2023-03-13 永久磁石、回転電機、及び車両
JP2023038542A JP2023085304A (ja) 2019-03-14 2023-03-13 磁石材料、永久磁石、回転電機、及び車両

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019046978 2019-03-14
JP2019046978 2019-03-14

Related Child Applications (2)

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JP2023038542A Division JP2023085304A (ja) 2019-03-14 2023-03-13 磁石材料、永久磁石、回転電機、及び車両
JP2023038571A Division JP2023085305A (ja) 2019-03-14 2023-03-13 永久磁石、回転電機、及び車両

Publications (2)

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JP2020155774A JP2020155774A (ja) 2020-09-24
JP7391730B2 true JP7391730B2 (ja) 2023-12-05

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JP2020042956A Active JP7391730B2 (ja) 2019-03-14 2020-03-12 磁石材料、永久磁石、回転電機、及び車両
JP2023038542A Pending JP2023085304A (ja) 2019-03-14 2023-03-13 磁石材料、永久磁石、回転電機、及び車両
JP2023038571A Pending JP2023085305A (ja) 2019-03-14 2023-03-13 永久磁石、回転電機、及び車両

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JP2023038542A Pending JP2023085304A (ja) 2019-03-14 2023-03-13 磁石材料、永久磁石、回転電機、及び車両
JP2023038571A Pending JP2023085305A (ja) 2019-03-14 2023-03-13 永久磁石、回転電機、及び車両

Country Status (2)

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JP (3) JP7391730B2 (zh)
CN (1) CN111696741B (zh)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000114017A (ja) 1998-09-30 2000-04-21 Toshiba Corp 永久磁石材料および永久磁石
JP2000114016A (ja) 1998-09-30 2000-04-21 Toshiba Corp 永久磁石およびその製造方法
JP2001035714A (ja) 1999-05-19 2001-02-09 Toshiba Corp ボンド磁石とボンド磁石の製造方法、およびそれを用いたアクチュエータ
JP2003213384A (ja) 2001-11-09 2003-07-30 Hitachi Metals Ltd 永久磁石合金及びボンド磁石
WO2011030387A1 (ja) 2009-09-11 2011-03-17 株式会社 東芝 磁石材料、永久磁石、およびそれを用いたモータと発電機
JP2018125512A (ja) 2016-08-24 2018-08-09 株式会社東芝 磁石材料、永久磁石、回転電機、及び車両

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3247508B2 (ja) * 1993-08-31 2002-01-15 株式会社東芝 永久磁石
JP3171558B2 (ja) * 1995-06-30 2001-05-28 株式会社東芝 磁性材料およびボンド磁石
JPH113812A (ja) * 1997-04-03 1999-01-06 Toshiba Corp 永久磁石材料およびボンド磁石
JP2000114020A (ja) * 1998-09-30 2000-04-21 Toshiba Corp 磁石材料およびボンド磁石
JP4481949B2 (ja) * 2006-03-27 2010-06-16 株式会社東芝 磁気冷凍用磁性材料
JP6490821B2 (ja) * 2015-09-15 2019-03-27 株式会社東芝 永久磁石、回転電機、および車
CN107785140A (zh) * 2016-08-24 2018-03-09 株式会社东芝 磁铁材料、永久磁铁、旋转电机及车辆

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000114017A (ja) 1998-09-30 2000-04-21 Toshiba Corp 永久磁石材料および永久磁石
JP2000114016A (ja) 1998-09-30 2000-04-21 Toshiba Corp 永久磁石およびその製造方法
JP2001035714A (ja) 1999-05-19 2001-02-09 Toshiba Corp ボンド磁石とボンド磁石の製造方法、およびそれを用いたアクチュエータ
JP2003213384A (ja) 2001-11-09 2003-07-30 Hitachi Metals Ltd 永久磁石合金及びボンド磁石
WO2011030387A1 (ja) 2009-09-11 2011-03-17 株式会社 東芝 磁石材料、永久磁石、およびそれを用いたモータと発電機
JP2018125512A (ja) 2016-08-24 2018-08-09 株式会社東芝 磁石材料、永久磁石、回転電機、及び車両

Also Published As

Publication number Publication date
JP2023085304A (ja) 2023-06-20
CN111696741A (zh) 2020-09-22
CN111696741B (zh) 2023-08-08
JP2023085305A (ja) 2023-06-20
JP2020155774A (ja) 2020-09-24

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