EP3157021A4 - Fe-BASED NANOCRYSTALLINE ALLOY CORE AND METHOD FOR PRODUCING Fe-BASED NANOCRYSTALLINE ALLOY CORE - Google Patents

Fe-BASED NANOCRYSTALLINE ALLOY CORE AND METHOD FOR PRODUCING Fe-BASED NANOCRYSTALLINE ALLOY CORE Download PDF

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Publication number
EP3157021A4
EP3157021A4 EP15807434.4A EP15807434A EP3157021A4 EP 3157021 A4 EP3157021 A4 EP 3157021A4 EP 15807434 A EP15807434 A EP 15807434A EP 3157021 A4 EP3157021 A4 EP 3157021A4
Authority
EP
European Patent Office
Prior art keywords
alloy core
nanocrystalline alloy
based nanocrystalline
producing
core
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP15807434.4A
Other languages
German (de)
French (fr)
Other versions
EP3157021A1 (en
EP3157021B1 (en
Inventor
Nakao Moritsugu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Proterial Ltd
Original Assignee
Hitachi Metals Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=54833617&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP3157021(A4) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Hitachi Metals Ltd filed Critical Hitachi Metals Ltd
Priority to EP20160649.8A priority Critical patent/EP3693980A1/en
Publication of EP3157021A1 publication Critical patent/EP3157021A1/en
Publication of EP3157021A4 publication Critical patent/EP3157021A4/en
Application granted granted Critical
Publication of EP3157021B1 publication Critical patent/EP3157021B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • H01F1/12Magnets 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
    • H01F1/14Magnets 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 metals or alloys
    • H01F1/147Alloys characterised by their composition
    • H01F1/153Amorphous metallic alloys, e.g. glassy metals
    • H01F1/15333Amorphous metallic alloys, e.g. glassy metals containing nanocrystallites, e.g. obtained by annealing
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C33/00Making ferrous alloys
    • C22C33/08Making cast-iron alloys
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/002Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/02Ferrous alloys, e.g. steel alloys containing silicon
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/12Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/16Ferrous alloys, e.g. steel alloys containing copper
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C45/00Amorphous alloys
    • C22C45/02Amorphous alloys with iron as the major constituent
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F3/00Cores, Yokes, or armatures
    • H01F3/04Cores, Yokes, or armatures made from strips or ribbons
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00Apparatus 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
    • H01F41/02Apparatus 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
    • H01F41/0206Manufacturing of magnetic cores by mechanical means
    • H01F41/0213Manufacturing of magnetic circuits made from strip(s) or ribbon(s)
    • H01F41/0226Manufacturing of magnetic circuits made from strip(s) or ribbon(s) from amorphous ribbons
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C2202/00Physical properties
    • C22C2202/02Magnetic

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Dispersion Chemistry (AREA)
  • Soft Magnetic Materials (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
EP15807434.4A 2014-06-10 2015-06-10 Method for producing fe-based nanocrystalline alloy core Active EP3157021B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20160649.8A EP3693980A1 (en) 2014-06-10 2015-06-10 Fe-based nanocrystalline alloy core

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2014119178 2014-06-10
PCT/JP2015/066758 WO2015190528A1 (en) 2014-06-10 2015-06-10 Fe-BASED NANOCRYSTALLINE ALLOY CORE AND METHOD FOR PRODUCING Fe-BASED NANOCRYSTALLINE ALLOY CORE

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP20160649.8A Division EP3693980A1 (en) 2014-06-10 2015-06-10 Fe-based nanocrystalline alloy core

Publications (3)

Publication Number Publication Date
EP3157021A1 EP3157021A1 (en) 2017-04-19
EP3157021A4 true EP3157021A4 (en) 2018-05-23
EP3157021B1 EP3157021B1 (en) 2020-03-25

Family

ID=54833617

Family Applications (2)

Application Number Title Priority Date Filing Date
EP15807434.4A Active EP3157021B1 (en) 2014-06-10 2015-06-10 Method for producing fe-based nanocrystalline alloy core
EP20160649.8A Ceased EP3693980A1 (en) 2014-06-10 2015-06-10 Fe-based nanocrystalline alloy core

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP20160649.8A Ceased EP3693980A1 (en) 2014-06-10 2015-06-10 Fe-based nanocrystalline alloy core

Country Status (5)

Country Link
EP (2) EP3157021B1 (en)
JP (1) JP6137408B2 (en)
CN (1) CN106170837B (en)
ES (1) ES2791885T3 (en)
WO (1) WO2015190528A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018062310A1 (en) * 2016-09-29 2018-04-05 日立金属株式会社 Nanocrystal alloy magnetic core, magnetic core unit, and method for manufacturing nanocrystal alloy magnetic core
US20180171444A1 (en) * 2016-12-15 2018-06-21 Samsung Electro-Mechanics Co., Ltd. Fe-based nanocrystalline alloy and electronic component using the same
US11749430B2 (en) 2019-02-05 2023-09-05 Proterial, Ltd. Wound magnetic core, alloy core, and method for manufacturing wound magnetic core
CN109754974B (en) * 2019-03-07 2021-06-01 中国科学院宁波材料技术与工程研究所 Nanocrystalline alloy magnetic core and preparation method thereof
CN111151745B (en) * 2019-12-28 2021-06-04 同济大学 Modification method of iron-based material
CN112410531B (en) * 2020-11-12 2022-03-08 中国科学院宁波材料技术与工程研究所 Nanocrystalline alloy and preparation method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0473782A1 (en) * 1990-03-27 1992-03-11 Kabushiki Kaisha Toshiba Magnetic core
EP0625786A2 (en) * 1993-05-21 1994-11-23 Hitachi Metals, Ltd. Nano-crystalline soft magnetic alloy ribbon with insulation coating; magnetic core therefrom and applications therewith
JPH0917623A (en) * 1995-06-30 1997-01-17 Hitachi Metals Ltd Nano crystal alloy magnetic core and its manufacture
JP3719449B2 (en) * 1994-04-15 2005-11-24 日立金属株式会社 Nanocrystalline alloy, method for producing the same, and magnetic core using the same

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS596360A (en) * 1982-07-02 1984-01-13 Sony Corp Heat treatment of amorphous magnetic alloy
JPH0296306A (en) * 1988-06-10 1990-04-09 Nippon Telegr & Teleph Corp <Ntt> Amorphous magnetic thin-band winding core
JPH044393A (en) 1990-04-20 1992-01-08 Hitachi Ltd Vibration control element of piping, piping with vibration control element, and pressure transmitting apparatus with vibration control element
JPH05267031A (en) * 1992-02-14 1993-10-15 Takeshi Masumoto Magnetic core material
JP4623400B2 (en) * 1999-03-12 2011-02-02 日立金属株式会社 Soft magnetic alloy ribbon and magnetic core and apparatus using the same
JP2001316724A (en) * 2000-05-10 2001-11-16 Alps Electric Co Ltd Method for manufacturing high frequency core
KR102007522B1 (en) * 2008-08-22 2019-08-05 가부시키가이샤 토호쿠 마그네토 인스티튜트 ALLOY COMPOSITION, Fe-BASED NANOCRYSTALLINE ALLOY AND MANUFACTURING METHOD THEREFOR, AND MAGNETIC COMPONENT
CN105593382B (en) * 2013-09-27 2017-08-18 日立金属株式会社 The manufacture method of Fe Based Nanocrystalline Alloys and the manufacture method of Fe Based Nanocrystalline Alloys magnetic cores

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0473782A1 (en) * 1990-03-27 1992-03-11 Kabushiki Kaisha Toshiba Magnetic core
EP0625786A2 (en) * 1993-05-21 1994-11-23 Hitachi Metals, Ltd. Nano-crystalline soft magnetic alloy ribbon with insulation coating; magnetic core therefrom and applications therewith
JP3719449B2 (en) * 1994-04-15 2005-11-24 日立金属株式会社 Nanocrystalline alloy, method for producing the same, and magnetic core using the same
JPH0917623A (en) * 1995-06-30 1997-01-17 Hitachi Metals Ltd Nano crystal alloy magnetic core and its manufacture

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2015190528A1 *

Also Published As

Publication number Publication date
EP3157021A1 (en) 2017-04-19
WO2015190528A1 (en) 2015-12-17
CN106170837A (en) 2016-11-30
CN106170837B (en) 2018-04-10
ES2791885T3 (en) 2020-11-06
EP3693980A1 (en) 2020-08-12
JP6137408B2 (en) 2017-05-31
EP3157021B1 (en) 2020-03-25
JPWO2015190528A1 (en) 2017-04-20

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