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DE3777523D1 - Magnetisches material aus eisen, bor und seltenerdmetall. - Google Patents

Magnetisches material aus eisen, bor und seltenerdmetall.

Info

Publication number
DE3777523D1
DE3777523D1 DE8787201912T DE3777523T DE3777523D1 DE 3777523 D1 DE3777523 D1 DE 3777523D1 DE 8787201912 T DE8787201912 T DE 8787201912T DE 3777523 T DE3777523 T DE 3777523T DE 3777523 D1 DE3777523 D1 DE 3777523D1
Authority
DE
Germany
Prior art keywords
bor
iron
rare earth
magnetic material
earth metal
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
DE8787201912T
Other languages
English (en)
Inventor
Mooy Dirk Bastiaan De
Kurt Heinz Juergen Buschow
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of DE3777523D1 publication Critical patent/DE3777523D1/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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Power Engineering (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
DE8787201912T 1986-10-10 1987-10-07 Magnetisches material aus eisen, bor und seltenerdmetall. Expired - Lifetime DE3777523D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8602541 1986-10-10

Publications (1)

Publication Number Publication Date
DE3777523D1 true DE3777523D1 (de) 1992-04-23

Family

ID=19848650

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787201912T Expired - Lifetime DE3777523D1 (de) 1986-10-10 1987-10-07 Magnetisches material aus eisen, bor und seltenerdmetall.

Country Status (6)

Country Link
US (1) US4935074A (de)
EP (1) EP0264153B1 (de)
JP (1) JP2713404B2 (de)
AU (1) AU7951687A (de)
BR (1) BR8705432A (de)
DE (1) DE3777523D1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1053988C (zh) * 1991-11-11 2000-06-28 住友特殊金属株式会社 稀土磁体和稀土磁体用的合金粉末及其制造方法
CN1044940C (zh) * 1992-08-13 1999-09-01 Ybm麦格奈克斯公司 基于钕铁硼的生产永久磁铁的方法
US5403408A (en) * 1992-10-19 1995-04-04 Inland Steel Company Non-uniaxial permanent magnet material
US5514224A (en) * 1993-11-05 1996-05-07 Magnequench International, Inc. High remanence hot pressed magnets
DE69822798T2 (de) 1997-02-06 2004-08-05 Sumitomo Special Metals Co., Ltd. Herstellungsverfahren für ein dünne magnetscheibe mit mikrokristalline struktur
US6332933B1 (en) 1997-10-22 2001-12-25 Santoku Corporation Iron-rare earth-boron-refractory metal magnetic nanocomposites
WO2000003403A1 (en) 1998-07-13 2000-01-20 Santoku America Inc. High performance iron-rare earth-boron-refractory-cobalt nanocomposites
US6524399B1 (en) 1999-03-05 2003-02-25 Pioneer Metals And Technology, Inc. Magnetic material
US7195661B2 (en) * 1999-03-05 2007-03-27 Pioneer Metals And Technology, Inc. Magnetic material
KR100562681B1 (ko) 2000-05-24 2006-03-23 가부시키가이샤 네오맥스 복수의 강자성상을 포함하는 영구자석 및 그 제조방법
EP1880782B1 (de) * 2000-10-06 2015-01-07 Santoku Corporation Verfahren zur Bewertung einer Rohlegierung für einen Magneten
US6790296B2 (en) 2000-11-13 2004-09-14 Neomax Co., Ltd. Nanocomposite magnet and method for producing same
US7217328B2 (en) 2000-11-13 2007-05-15 Neomax Co., Ltd. Compound for rare-earth bonded magnet and bonded magnet using the compound
WO2002093591A2 (en) * 2001-05-15 2002-11-21 Sumitomo Special Metals Co., Ltd. Iron-based rare earth alloy nanocomposite magnet and method for producing the same
DE60215665T2 (de) * 2001-07-31 2007-02-08 Neomax Co., Ltd. Verfahren zum herstellen eines nanozusammensetzungsmagneten unter verwendung eines atomisierungsverfahrens
US7261781B2 (en) * 2001-11-22 2007-08-28 Neomax Co., Ltd. Nanocomposite magnet
US8821650B2 (en) * 2009-08-04 2014-09-02 The Boeing Company Mechanical improvement of rare earth permanent magnets

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4533408A (en) * 1981-10-23 1985-08-06 Koon Norman C Preparation of hard magnetic alloys of a transition metal and lanthanide
US4402770A (en) * 1981-10-23 1983-09-06 The United States Of America As Represented By The Secretary Of The Navy Hard magnetic alloys of a transition metal and lanthanide
JPH0778269B2 (ja) * 1983-05-31 1995-08-23 住友特殊金属株式会社 永久磁石用希土類・鉄・ボロン系正方晶化合物
JPS60162750A (ja) * 1984-02-01 1985-08-24 Nippon Gakki Seizo Kk 希土類磁石およびその製法
JPH06942B2 (ja) * 1984-04-18 1994-01-05 セイコーエプソン株式会社 希土類永久磁石
JPH0630295B2 (ja) * 1984-12-31 1994-04-20 ティーディーケイ株式会社 永久磁石

Also Published As

Publication number Publication date
US4935074A (en) 1990-06-19
EP0264153A1 (de) 1988-04-20
JPS63100155A (ja) 1988-05-02
EP0264153B1 (de) 1992-03-18
JP2713404B2 (ja) 1998-02-16
AU7951687A (en) 1988-04-14
BR8705432A (pt) 1988-05-24

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PHILIPS ELECTRONICS N.V., EINDHOVEN, NL

8327 Change in the person/name/address of the patent owner

Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N