DE3584243D1 - Verfahren zur herstellung von dauermagneten und dauermagnet. - Google Patents

Verfahren zur herstellung von dauermagneten und dauermagnet.

Info

Publication number
DE3584243D1
DE3584243D1 DE8585116598T DE3584243T DE3584243D1 DE 3584243 D1 DE3584243 D1 DE 3584243D1 DE 8585116598 T DE8585116598 T DE 8585116598T DE 3584243 T DE3584243 T DE 3584243T DE 3584243 D1 DE3584243 D1 DE 3584243D1
Authority
DE
Germany
Prior art keywords
producing
permanent
permanent magnet
permanent magnets
magnets
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 - Lifetime
Application number
DE8585116598T
Other languages
English (en)
Inventor
Takaki Hamada
Tetsuji Hayakawa
Yutaka Matsuura
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.)
Neomax Co Ltd
Original Assignee
Sumitomo Special Metals Co 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
Priority claimed from JP59278489A external-priority patent/JPS61150201A/ja
Priority claimed from JP60007949A external-priority patent/JPS61166115A/ja
Priority claimed from JP60007950A external-priority patent/JPH0682574B2/ja
Priority claimed from JP60007951A external-priority patent/JPS61166117A/ja
Priority claimed from JP60110793A external-priority patent/JPS61270308A/ja
Priority claimed from JP60110794A external-priority patent/JPH0617491B2/ja
Priority claimed from JP60200890A external-priority patent/JPS6260212A/ja
Priority claimed from JP60260769A external-priority patent/JPS62120002A/ja
Priority claimed from JP60260771A external-priority patent/JPH0646603B2/ja
Priority claimed from JP60260770A external-priority patent/JPS62120003A/ja
Application filed by Sumitomo Special Metals Co Ltd filed Critical Sumitomo Special Metals Co Ltd
Application granted granted Critical
Publication of DE3584243D1 publication Critical patent/DE3584243D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H01F41/026—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 protecting methods against environmental influences, e.g. oxygen, by surface treatment
    • 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
    • H01F1/0572—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 with a protective layer
    • 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
DE8585116598T 1984-12-24 1985-12-27 Verfahren zur herstellung von dauermagneten und dauermagnet. Expired - Lifetime DE3584243D1 (de)

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
JP59278489A JPS61150201A (ja) 1984-12-24 1984-12-24 耐食性のすぐれた永久磁石
JP60007950A JPH0682574B2 (ja) 1985-01-18 1985-01-18 耐食性のすぐれた永久磁石の製造方法
JP60007951A JPS61166117A (ja) 1985-01-18 1985-01-18 耐食性のすぐれた永久磁石の製造方法
JP60007949A JPS61166115A (ja) 1985-01-18 1985-01-18 耐食性のすぐれた永久磁石の製造方法
JP60110794A JPH0617491B2 (ja) 1985-05-23 1985-05-23 永久磁石材料の加工方法
JP60110793A JPS61270308A (ja) 1985-05-23 1985-05-23 永久磁石材料の製造方法
JP60200890A JPS6260212A (ja) 1985-09-10 1985-09-10 永久磁石材料の製造方法
JP60260769A JPS62120002A (ja) 1985-11-20 1985-11-20 耐食性のすぐれた永久磁石
JP60260771A JPH0646603B2 (ja) 1985-11-20 1985-11-20 耐食性のすぐれた永久磁石及びその製造方法
JP60260770A JPS62120003A (ja) 1985-11-20 1985-11-20 耐食性のすぐれた永久磁石及びその製造方法

Publications (1)

Publication Number Publication Date
DE3584243D1 true DE3584243D1 (de) 1991-10-31

Family

ID=27579571

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585116598T Expired - Lifetime DE3584243D1 (de) 1984-12-24 1985-12-27 Verfahren zur herstellung von dauermagneten und dauermagnet.

Country Status (4)

Country Link
US (3) US4837114A (de)
EP (1) EP0190461B1 (de)
CN (1) CN1007847B (de)
DE (1) DE3584243D1 (de)

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EP0190461A2 (de) 1986-08-13
US5316595A (en) 1994-05-31
CN85109695A (zh) 1986-10-01
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US5089066A (en) 1992-02-18
EP0190461B1 (de) 1991-09-25

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