ES2050750T3 - Iman permanente y metodo para su fabricacion. - Google Patents

Iman permanente y metodo para su fabricacion.

Info

Publication number
ES2050750T3
ES2050750T3 ES89118356T ES89118356T ES2050750T3 ES 2050750 T3 ES2050750 T3 ES 2050750T3 ES 89118356 T ES89118356 T ES 89118356T ES 89118356 T ES89118356 T ES 89118356T ES 2050750 T3 ES2050750 T3 ES 2050750T3
Authority
ES
Spain
Prior art keywords
compound
phase
manufacture
permanent magnet
minority phase
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
ES89118356T
Other languages
English (en)
Inventor
Masato Sagawa
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of ES2050750T3 publication Critical patent/ES2050750T3/es
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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Hard Magnetic Materials (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

CUANDO SE AÑADE V A UN IMAN PERMANENTE ND - FE - B SINTERIZADO PARA MODIFICAR LA FASE MINORITARIA TAL QUE B ESTE EN EXCESO DE UNA COMPOSICION ESTEQUIOMETRICA DE FASE COMPUESTA R2FE14B, ESTO NO FORMA ESENCIALMENTE LA FASE MINORITARIA COMPUESTA RFE4B4, PERO FORMA UNA FASE MINORITARIA COMPUESTA V - T - B FINAMENTE DISPERSA (T ES FE, Y EN UN CASO CONTENIENDO CO, T ES FE Y CO), LA FUERZA COERCITIVA (IHC) AUMENTA A 15 KOE O MAS. LAS CARACTERISTICAS DEL TRATAMIENTO TERMICO DEL MATERIAL SE PERFECCIONAN MEDIANTE LA ADICION DE ENTRE 0''01 A 1 AL % DE CU.
ES89118356T 1988-10-06 1989-10-03 Iman permanente y metodo para su fabricacion. Expired - Lifetime ES2050750T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63250851A JP2787580B2 (ja) 1988-10-06 1988-10-06 熱処理性がすぐれたＮｄ−Ｆｅ−Ｂ系焼結磁石

Publications (1)

Publication Number Publication Date
ES2050750T3 true ES2050750T3 (es) 1994-06-01

Family

ID=17213949

Family Applications (1)

Application Number Title Priority Date Filing Date
ES89118356T Expired - Lifetime ES2050750T3 (es) 1988-10-06 1989-10-03 Iman permanente y metodo para su fabricacion.

Country Status (8)

Country Link
US (1) US4995905A (es)
EP (1) EP0362805B1 (es)
JP (1) JP2787580B2 (es)
AT (1) ATE103412T1 (es)
DE (1) DE68914078T2 (es)
ES (1) ES2050750T3 (es)
FI (1) FI103223B (es)
IE (1) IE891829L (es)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5167914A (en) * 1986-08-04 1992-12-01 Sumitomo Special Metals Co., Ltd. Rare earth magnet having excellent corrosion resistance
US5201963A (en) * 1989-10-26 1993-04-13 Nippon Steel Corporation Rare earth magnets and method of producing same
US5200001A (en) * 1989-12-01 1993-04-06 Sumitomo Special Metals Co., Ltd. Permanent magnet
US5093076A (en) * 1991-05-15 1992-03-03 General Motors Corporation Hot pressed magnets in open air presses
FR2707421B1 (fr) * 1993-07-07 1995-08-11 Ugimag Sa Poudre additive pour la fabrication d'aimants frittés type Fe-Nd-B, méthode de fabrication et aimants correspondants.
US5482575A (en) * 1992-12-08 1996-01-09 Ugimag Sa Fe-Re-B type magnetic powder, sintered magnets and preparation method thereof
US6277211B1 (en) * 1999-09-30 2001-08-21 Magnequench Inc. Cu additions to Nd-Fe-B alloys to reduce oxygen content in the ingot and rapidly solidified ribbon
CN1182548C (zh) 2000-07-10 2004-12-29 株式会社新王磁材 稀土磁铁及其制造方法
JP4697961B2 (ja) * 2003-02-27 2011-06-08 日立金属株式会社 粒子線加速器用永久磁石および磁界発生装置
DE112006000070T5 (de) 2005-07-15 2008-08-14 Hitachi Metals, Ltd. Seltenerdmetall-Sintermagnet und Verfahren zu seiner Herstellung

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1316375C (en) * 1982-08-21 1993-04-20 Masato Sagawa Magnetic materials and permanent magnets
JPS59163804A (ja) * 1983-03-08 1984-09-14 Sumitomo Special Metals Co Ltd 永久磁石用合金
US4684406A (en) * 1983-05-21 1987-08-04 Sumitomo Special Metals Co., Ltd. Permanent magnet materials
JPS59218704A (ja) * 1983-05-27 1984-12-10 Sumitomo Special Metals Co Ltd 永久磁石材料の製造方法
JPS6032306A (ja) * 1983-08-02 1985-02-19 Sumitomo Special Metals Co Ltd 永久磁石
JPS60218457A (ja) * 1984-04-12 1985-11-01 Seiko Epson Corp 永久磁石合金
US4767450A (en) * 1984-11-27 1988-08-30 Sumitomo Special Metals Co., Ltd. Process for producing the rare earth alloy powders
JPS62120003A (ja) * 1985-11-20 1987-06-01 Sumitomo Special Metals Co Ltd 耐食性のすぐれた永久磁石及びその製造方法
US4765848A (en) * 1984-12-31 1988-08-23 Kaneo Mohri Permanent magnent and method for producing same
JPS62165305A (ja) * 1986-01-16 1987-07-21 Hitachi Metals Ltd 熱安定性良好な永久磁石およびその製造方法
JPS62244105A (ja) * 1986-04-16 1987-10-24 Hitachi Metals Ltd 希土類磁石
JPS636808A (ja) * 1986-06-26 1988-01-12 Shin Etsu Chem Co Ltd 希土類永久磁石
JPS6328844A (ja) * 1986-07-23 1988-02-06 Toshiba Corp 永久磁石材料
EP0261579B1 (en) * 1986-09-16 1993-01-07 Tokin Corporation A method for producing a rare earth metal-iron-boron permanent magnet by use of a rapidly-quenched alloy powder
EP0302947B1 (en) * 1987-03-02 1994-06-08 Seiko Epson Corporation Rare earth element-iron base permanent magnet and process for its production

Also Published As

Publication number Publication date
DE68914078T2 (de) 1994-06-30
FI103223B1 (fi) 1999-05-14
US4995905A (en) 1991-02-26
ATE103412T1 (de) 1994-04-15
EP0362805B1 (en) 1994-03-23
EP0362805A2 (en) 1990-04-11
EP0362805A3 (en) 1991-07-24
IE891829L (en) 1990-04-06
JPH02101146A (ja) 1990-04-12
JP2787580B2 (ja) 1998-08-20
FI103223B (fi) 1999-05-14
DE68914078D1 (de) 1994-04-28
FI893600A0 (fi) 1989-07-27
FI893600A (fi) 1990-04-07

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