GB1449687A - Method of magnetising a magnet body - Google Patents
Method of magnetising a magnet bodyInfo
- 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
Links
- 239000000956 alloy Substances 0.000 abstract 2
- 229910045601 alloy Inorganic materials 0.000 abstract 2
- 150000001875 compounds Chemical class 0.000 abstract 2
- 238000001816 cooling Methods 0.000 abstract 2
- 238000000137 annealing Methods 0.000 abstract 1
- 229910052802 copper Inorganic materials 0.000 abstract 1
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 230000005415 magnetization Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 229910052759 nickel Inorganic materials 0.000 abstract 1
- 229910052761 rare earth metal Inorganic materials 0.000 abstract 1
- 229910000938 samarium–cobalt magnet Inorganic materials 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 229910052727 yttrium Inorganic materials 0.000 abstract 1
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7217051A NL7217051A (xx) | 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 (xx) |
JP (1) | JPS5344679B2 (xx) |
CH (1) | CH568643A5 (xx) |
DE (1) | DE2358595C3 (xx) |
FR (1) | FR2327615A1 (xx) |
GB (1) | GB1449687A (xx) |
NL (1) | NL7217051A (xx) |
Cited By (2)
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)
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)
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 |
-
1972
- 1972-12-15 NL NL7217051A patent/NL7217051A/xx unknown
-
1973
- 1973-11-21 US US418124A patent/US3891476A/en not_active Expired - Lifetime
- 1973-11-24 DE DE2358595A patent/DE2358595C3/de not_active Expired
- 1973-12-12 GB GB5748173A patent/GB1449687A/en not_active Expired
- 1973-12-12 JP JP13784873A patent/JPS5344679B2/ja not_active Expired
- 1973-12-12 CH CH1737373A patent/CH568643A5/xx not_active IP Right Cessation
- 1973-12-13 FR FR7344567A patent/FR2327615A1/fr active Granted
Cited By (2)
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 (xx) | 1974-08-26 |
US3891476A (en) | 1975-06-24 |
FR2327615A1 (fr) | 1977-05-06 |
DE2358595C3 (de) | 1979-11-08 |
FR2327615B1 (xx) | 1978-04-21 |
NL7217051A (xx) | 1974-06-18 |
DE2358595A1 (de) | 1974-06-20 |
JPS5344679B2 (xx) | 1978-11-30 |
DE2358595B2 (de) | 1979-03-08 |
CH568643A5 (xx) | 1975-10-31 |
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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 |