JPS62120003A - 耐食性のすぐれた永久磁石及びその製造方法 - Google Patents

耐食性のすぐれた永久磁石及びその製造方法

Info

Publication number
JPS62120003A
JPS62120003A JP60260770A JP26077085A JPS62120003A JP S62120003 A JPS62120003 A JP S62120003A JP 60260770 A JP60260770 A JP 60260770A JP 26077085 A JP26077085 A JP 26077085A JP S62120003 A JPS62120003 A JP S62120003A
Authority
JP
Japan
Prior art keywords
atomic
permanent magnet
less
magnet
corrosion resistance
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.)
Granted
Application number
JP60260770A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0569283B2 (enrdf_load_stackoverflow
Inventor
Shigeki Hamada
隆樹 浜田
Tetsuharu Hayakawa
早川 徹治
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.)
Proterial 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
Application filed by Sumitomo Special Metals Co Ltd filed Critical Sumitomo Special Metals Co Ltd
Priority to JP60260770A priority Critical patent/JPS62120003A/ja
Priority to CN85109695A priority patent/CN1007847B/zh
Priority to DE8585116598T priority patent/DE3584243D1/de
Priority to EP85116598A priority patent/EP0190461B1/en
Priority to US06/818,238 priority patent/US4837114A/en
Publication of JPS62120003A publication Critical patent/JPS62120003A/ja
Priority to US07/360,101 priority patent/US5089066A/en
Priority to US07/740,442 priority patent/US5316595A/en
Publication of JPH0569283B2 publication Critical patent/JPH0569283B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00Apparatus 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
    • H01F41/02Apparatus 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
    • H01F41/0253Apparatus 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
    • H01F41/026Apparatus 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032Magnets 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
    • H01F1/04Magnets 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
    • H01F1/047Alloys characterised by their composition
    • H01F1/053Alloys characterised by their composition containing rare earth metals
    • H01F1/055Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
    • H01F1/057Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
    • H01F1/0571Alloys 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
    • H01F1/0572Alloys 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032Magnets 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
    • H01F1/04Magnets 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
    • H01F1/047Alloys characterised by their composition
    • H01F1/053Alloys characterised by their composition containing rare earth metals
    • H01F1/055Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
    • H01F1/057Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
    • H01F1/0571Alloys 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
    • H01F1/0575Alloys 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
    • H01F1/0577Alloys 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Hard Magnetic Materials (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Physical Vapour Deposition (AREA)
JP60260770A 1984-12-24 1985-11-20 耐食性のすぐれた永久磁石及びその製造方法 Granted JPS62120003A (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
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
CN85109695A CN1007847B (zh) 1984-12-24 1985-12-24 制造具有改进耐蚀性磁铁的方法
DE8585116598T DE3584243D1 (de) 1984-12-24 1985-12-27 Verfahren zur herstellung von dauermagneten und dauermagnet.
EP85116598A EP0190461B1 (en) 1984-12-24 1985-12-27 Process for producing permanent magnets and permanent magnet
US06/818,238 US4837114A (en) 1984-12-24 1986-01-13 Process for producing magnets having improved corrosion resistance
US07/360,101 US5089066A (en) 1984-12-24 1989-06-01 Magnets having improved corrosion resistance
US07/740,442 US5316595A (en) 1984-12-24 1991-08-05 Process for producing magnets having improved corrosion resistance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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 (2)

Publication Number Publication Date
JPS62120003A true JPS62120003A (ja) 1987-06-01
JPH0569283B2 JPH0569283B2 (enrdf_load_stackoverflow) 1993-09-30

Family

ID=17352484

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60260770A Granted JPS62120003A (ja) 1984-12-24 1985-11-20 耐食性のすぐれた永久磁石及びその製造方法

Country Status (1)

Country Link
JP (1) JPS62120003A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01149403A (ja) * 1987-12-04 1989-06-12 Sumitomo Special Metals Co Ltd 耐食性永久磁石およびその製造方法
JPH02101146A (ja) * 1988-10-06 1990-04-12 Masato Sagawa 熱処理性がすぐれたNd−Fe−B系焼結磁石
CN106119844A (zh) * 2016-08-24 2016-11-16 烟台首钢磁性材料股份有限公司 一种永磁钕铁硼磁钢表面电镀铜镍合金镀层的方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01149403A (ja) * 1987-12-04 1989-06-12 Sumitomo Special Metals Co Ltd 耐食性永久磁石およびその製造方法
JPH02101146A (ja) * 1988-10-06 1990-04-12 Masato Sagawa 熱処理性がすぐれたNd−Fe−B系焼結磁石
CN106119844A (zh) * 2016-08-24 2016-11-16 烟台首钢磁性材料股份有限公司 一种永磁钕铁硼磁钢表面电镀铜镍合金镀层的方法

Also Published As

Publication number Publication date
JPH0569283B2 (enrdf_load_stackoverflow) 1993-09-30

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