GB1449687A - Method of magnetising a magnet body - Google Patents

Method of magnetising a magnet body

Info

Publication number
GB1449687A
GB1449687A GB5748173A GB5748173A GB1449687A GB 1449687 A GB1449687 A GB 1449687A GB 5748173 A GB5748173 A GB 5748173A GB 5748173 A GB5748173 A GB 5748173A GB 1449687 A GB1449687 A GB 1449687A
Authority
GB
United Kingdom
Prior art keywords
temperature
field strength
magnet
curie point
intrinsic coercive
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.)
Expired
Application number
GB5748173A
Other languages
English (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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries 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
Application filed by Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1449687A publication Critical patent/GB1449687A/en
Expired 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
    • H01F1/0555—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together
    • H01F1/0557—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together sintered
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F13/00—Apparatus or processes for magnetising or demagnetising
    • H01F13/003—Methods and devices for magnetising permanent magnets

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)
GB5748173A 1972-12-15 1973-12-12 Method of magnetising a magnet body Expired GB1449687A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7217051A NL7217051A (ja) 1972-12-15 1972-12-15

Publications (1)

Publication Number Publication Date
GB1449687A true GB1449687A (en) 1976-09-15

Family

ID=19817550

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5748173A Expired GB1449687A (en) 1972-12-15 1973-12-12 Method of magnetising a magnet body

Country Status (7)

Country Link
US (1) US3891476A (ja)
JP (1) JPS5344679B2 (ja)
CH (1) CH568643A5 (ja)
DE (1) DE2358595C3 (ja)
FR (1) FR2327615A1 (ja)
GB (1) GB1449687A (ja)
NL (1) NL7217051A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2647809A1 (de) * 1976-10-04 1978-04-06 Bbc Brown Boveri & Cie Verfahren zur herstellung von kunststoffgebundenen (lnco)-magneten
GB2165395A (en) * 1984-09-28 1986-04-09 Elzett Muevek Magnetising apparatus for keys and rotors of magnetic safety lock systems

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5177524A (en) * 1974-11-29 1976-07-05 Gen Electric Kobaruto kidoruigokin no jikahoho
US4114532A (en) * 1976-10-12 1978-09-19 Dataproducts Corporation Impact printer magnet assembly
JPS5847842B2 (ja) * 1978-11-04 1983-10-25 富士通株式会社 感温素子の製造方法
JPS6021325U (ja) * 1983-07-18 1985-02-14 株式会社東洋クオリティワン 樹脂廃棄物の溶解装置
DE3609530C2 (de) * 1986-03-21 1995-08-31 Erich Dr Ing Steingroever Verfahren zum automatischen Einstellen des Arbeitspunktes von Dauermagneten
JPH0346205A (ja) * 1989-07-01 1991-02-27 Jionkoo Kantee Guufun Yousenkonsuu 交流ないしパルス電流による磁化特性改善方法
US20080172861A1 (en) * 2007-01-23 2008-07-24 Holmes Alan G Methods for manufacturing motor core parts with magnetic orientation
CN110610789B (zh) * 2018-06-14 2021-05-04 中国科学院宁波材料技术与工程研究所 永磁材料的稳磁处理方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3138494A (en) * 1961-05-01 1964-06-23 Allegheny Ludlum Steel Method of annealing magnetic materials
US3639182A (en) * 1969-03-27 1972-02-01 Gen Electric Method for improving the effectiveness of a magnetic field for magnetizing permanent magnets
BE756299A (fr) * 1969-09-18 1971-03-17 Philips Nv Procede permettant la fabrication d'un corps d'aimant a anisotropie magnetique
BE756431A (fr) * 1969-09-20 1971-03-22 Philips Nv Procede permettant la fabrication d'un corps presentant des proprietes anisotropes magnetiques permanentes
US3684593A (en) * 1970-11-02 1972-08-15 Gen Electric Heat-aged sintered cobalt-rare earth intermetallic product and process
US3802935A (en) * 1972-05-25 1974-04-09 Geeral Electric Co Demagnetization of cobalt-rare earth magnets

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2647809A1 (de) * 1976-10-04 1978-04-06 Bbc Brown Boveri & Cie Verfahren zur herstellung von kunststoffgebundenen (lnco)-magneten
GB2165395A (en) * 1984-09-28 1986-04-09 Elzett Muevek Magnetising apparatus for keys and rotors of magnetic safety lock systems

Also Published As

Publication number Publication date
JPS4989199A (ja) 1974-08-26
NL7217051A (ja) 1974-06-18
CH568643A5 (ja) 1975-10-31
FR2327615A1 (fr) 1977-05-06
DE2358595A1 (de) 1974-06-20
US3891476A (en) 1975-06-24
DE2358595B2 (de) 1979-03-08
DE2358595C3 (de) 1979-11-08
JPS5344679B2 (ja) 1978-11-30
FR2327615B1 (ja) 1978-04-21

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee