EP3819924A4 - HYBRID MAGNETIC FIBER AND MANUFACTURING METHOD THEREOF - Google Patents

HYBRID MAGNETIC FIBER AND MANUFACTURING METHOD THEREOF Download PDF

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Publication number
EP3819924A4
EP3819924A4 EP19830775.3A EP19830775A EP3819924A4 EP 3819924 A4 EP3819924 A4 EP 3819924A4 EP 19830775 A EP19830775 A EP 19830775A EP 3819924 A4 EP3819924 A4 EP 3819924A4
Authority
EP
European Patent Office
Prior art keywords
manufacturing
hybrid magnetic
magnetic fiber
fiber
hybrid
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.)
Withdrawn
Application number
EP19830775.3A
Other languages
German (de)
French (fr)
Other versions
EP3819924A1 (en
Inventor
Yong-Ho Choa
Jongryoul KIM
Jimim LEE
Tae-Yeon Hwang
Min Kyu Kang
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.)
Industry University Cooperation Foundation IUCF HYU
Original Assignee
Industry University Cooperation Foundation IUCF HYU
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
Priority claimed from KR1020190011806A external-priority patent/KR102125168B1/en
Application filed by Industry University Cooperation Foundation IUCF HYU filed Critical Industry University Cooperation Foundation IUCF HYU
Publication of EP3819924A1 publication Critical patent/EP3819924A1/en
Publication of EP3819924A4 publication Critical patent/EP3819924A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • H01F41/0273—Imparting anisotropy
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F1/00—General methods for the manufacture of artificial filaments or the like
    • D01F1/02—Addition of substances to the spinning solution or to the melt
    • D01F1/10—Other agents for modifying properties
    • 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
    • H01F1/0036—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties showing low dimensional magnetism, i.e. spin rearrangements due to a restriction of dimensions, e.g. showing giant magnetoresistivity
    • H01F1/0072—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties showing low dimensional magnetism, i.e. spin rearrangements due to a restriction of dimensions, e.g. showing giant magnetoresistivity one dimensional, i.e. linear or dendritic nanostructures
    • 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
    • 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
    • H01F1/12—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 soft-magnetic materials
    • H01F1/14—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 soft-magnetic materials metals or alloys
    • 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
    • H01F1/0553—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 obtained by reduction or by hydrogen decrepitation or embrittlement
    • 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
    • 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
    • H01F1/12—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 soft-magnetic materials
    • H01F1/14—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 soft-magnetic materials metals or alloys
    • H01F1/143—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 soft-magnetic materials metals or alloys in the form of wires

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Powder Metallurgy (AREA)
  • Hard Magnetic Materials (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
EP19830775.3A 2018-07-03 2019-01-31 HYBRID MAGNETIC FIBER AND MANUFACTURING METHOD THEREOF Withdrawn EP3819924A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR20180077099 2018-07-03
KR1020190011806A KR102125168B1 (en) 2018-07-03 2019-01-30 Hybrid magnetic fiber and fabricating method of the same
PCT/KR2019/001363 WO2020009303A1 (en) 2018-07-03 2019-01-31 Hybrid magnetic fiber and manufacturing method therefor

Publications (2)

Publication Number Publication Date
EP3819924A1 EP3819924A1 (en) 2021-05-12
EP3819924A4 true EP3819924A4 (en) 2022-04-06

Family

ID=69059715

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19830775.3A Withdrawn EP3819924A4 (en) 2018-07-03 2019-01-31 HYBRID MAGNETIC FIBER AND MANUFACTURING METHOD THEREOF

Country Status (2)

Country Link
EP (1) EP3819924A4 (en)
WO (1) WO2020009303A1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009117718A1 (en) * 2008-03-20 2009-09-24 Northeastern University Direct chemical synthesis of rare earth-transition metal alloy magnetic materials
US20130126775A1 (en) * 2011-11-17 2013-05-23 Hitachi Chemical Company, Ltd. Alcoholic Solution and Sintered Magnet
KR20170104118A (en) * 2016-03-04 2017-09-14 한양대학교 에리카산학협력단 Method of fabricating of magnetic nano structure
WO2018034464A1 (en) * 2016-08-19 2018-02-22 주식회사 아모라이프사이언스 Method for producing superparamagnetic nanocomposite and superparamagnetic nanocomposite produced using same

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101483319B1 (en) * 2010-10-26 2015-01-16 한양대학교 에리카산학협력단 Method for forming rare earth metal hydride and method for forming rare earth metal-transition metal alloy powder using the same
KR101778164B1 (en) * 2012-02-03 2017-09-13 엘지전자 주식회사 Core-Shell Structured Nanoparticle having Hard-soft Magnetic Heterostructure, Magnet Prepared with Said Nanoparticle, and Preparing Method thereof
KR101649653B1 (en) * 2012-03-30 2016-08-19 엘지전자 주식회사 Method of Preparing Nanocomposite Magnet Using Electroless or Electro Deposition Method
KR102215818B1 (en) * 2013-09-24 2021-02-17 엘지전자 주식회사 Hot-deformed magnet comprising nonmagnetic alloys and fabricating method thereof
KR20160032417A (en) 2014-09-16 2016-03-24 국방과학연구소 Track type Arms Manipulator for Life Saving Robot
KR20170108468A (en) 2016-03-17 2017-09-27 연세대학교 산학협력단 Non rare earth permanent magnet and method for manufacturing the same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009117718A1 (en) * 2008-03-20 2009-09-24 Northeastern University Direct chemical synthesis of rare earth-transition metal alloy magnetic materials
US20130126775A1 (en) * 2011-11-17 2013-05-23 Hitachi Chemical Company, Ltd. Alcoholic Solution and Sintered Magnet
KR20170104118A (en) * 2016-03-04 2017-09-14 한양대학교 에리카산학협력단 Method of fabricating of magnetic nano structure
WO2018034464A1 (en) * 2016-08-19 2018-02-22 주식회사 아모라이프사이언스 Method for producing superparamagnetic nanocomposite and superparamagnetic nanocomposite produced using same

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
CUI CHUNXIANG ET AL: "Electrochemical fabrication, microstructure and magnetic properties of Sm2Co17/Fe7Co3dual phase nanocomposite", MATERIALS CHEMISTRY AND PHYSICS, vol. 160, 15 June 2015 (2015-06-15), pages 315 - 320, XP029177598, ISSN: 0254-0584, DOI: 10.1016/J.MATCHEMPHYS.2015.04.043 *
See also references of WO2020009303A1 *

Also Published As

Publication number Publication date
WO2020009303A1 (en) 2020-01-09
EP3819924A1 (en) 2021-05-12

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