GB8906596D0 - Magnetic compositions - Google Patents

Magnetic compositions

Info

Publication number
GB8906596D0
GB8906596D0 GB898906596A GB8906596A GB8906596D0 GB 8906596 D0 GB8906596 D0 GB 8906596D0 GB 898906596 A GB898906596 A GB 898906596A GB 8906596 A GB8906596 A GB 8906596A GB 8906596 D0 GB8906596 D0 GB 8906596D0
Authority
GB
United Kingdom
Prior art keywords
magnetic compositions
compositions
magnetic
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Withdrawn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
GB898906596A
Other versions
GB2232165A (en
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.)
Vesuvius Holdings Ltd
Original Assignee
Cookson Group PLC
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
Application filed by Cookson Group PLC filed Critical Cookson Group PLC
Priority to GB8906596A priority Critical patent/GB2232165A/en
Publication of GB8906596D0 publication Critical patent/GB8906596D0/en
Publication of GB2232165A publication Critical patent/GB2232165A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • B22F1/09—Mixtures of metallic powders
    • 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
    • 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
    • H01F1/0578—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 bonded together

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Hard Magnetic Materials (AREA)
GB8906596A 1989-03-22 1989-03-22 Magnetic compositions Withdrawn GB2232165A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8906596A GB2232165A (en) 1989-03-22 1989-03-22 Magnetic compositions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8906596A GB2232165A (en) 1989-03-22 1989-03-22 Magnetic compositions

Publications (2)

Publication Number Publication Date
GB8906596D0 true GB8906596D0 (en) 1989-05-04
GB2232165A GB2232165A (en) 1990-12-05

Family

ID=10653813

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8906596A Withdrawn GB2232165A (en) 1989-03-22 1989-03-22 Magnetic compositions

Country Status (1)

Country Link
GB (1) GB2232165A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0654801B1 (en) * 1993-11-11 2000-06-07 Seiko Epson Corporation Magnetic powder, permanent magnet produced therefrom and process for producing them
US6139765A (en) * 1993-11-11 2000-10-31 Seiko Epson Corporation Magnetic powder, permanent magnet produced therefrom and process for producing them
US5647886A (en) * 1993-11-11 1997-07-15 Seiko Epson Corporation Magnetic powder, permanent magnet produced therefrom and process for producing them
JPH0993034A (en) * 1995-09-22 1997-04-04 Tokin Corp Compound magnetic substance, manufacture of the same and electromagnetic interference suppresser
CN104599802B (en) * 2014-12-03 2017-07-04 中国科学院宁波材料技术与工程研究所 Rare earth permanent-magnetic material and preparation method thereof

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1347764A (en) * 1970-04-30 1974-02-27 Gen Electric Heat-aged sintered cobalt-rare earth intermetallic product and process
FR2133381A6 (en) * 1971-04-06 1972-11-24 Raytheon Co
CH601481A5 (en) * 1975-05-05 1978-07-14 Far Fab Assortiments Reunies
JPS5760055A (en) * 1980-09-29 1982-04-10 Inoue Japax Res Inc Spinodal decomposition type magnet alloy
JPS6050605A (en) * 1983-08-27 1985-03-20 Alps Electric Co Ltd Magnetic head for video tape recorder
KR900007666B1 (en) * 1984-11-12 1990-10-18 알프스 덴기 가부시기가이샤 Amorphous alloy for use in magnetic heads
JPS61250084A (en) * 1985-04-30 1986-11-07 Kureha Chem Ind Co Ltd Composite whetstone particle for magnetic abrasion and production thereof
JPH07105289B2 (en) * 1986-03-06 1995-11-13 信越化学工業株式会社 Rare earth permanent magnet manufacturing method
DE3704238A1 (en) * 1987-02-11 1988-08-25 Siemens Ag IRONIC, MAGNETIC MATERIAL

Also Published As

Publication number Publication date
GB2232165A (en) 1990-12-05

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)