FR2698999B1 - Poudre magnétique de type Fe-TR-B et aimants frittés correspondants et leur méthode de préparation. - Google Patents

Poudre magnétique de type Fe-TR-B et aimants frittés correspondants et leur méthode de préparation.

Info

Publication number
FR2698999B1
FR2698999B1 FR9214995A FR9214995A FR2698999B1 FR 2698999 B1 FR2698999 B1 FR 2698999B1 FR 9214995 A FR9214995 A FR 9214995A FR 9214995 A FR9214995 A FR 9214995A FR 2698999 B1 FR2698999 B1 FR 2698999B1
Authority
FR
France
Prior art keywords
preparation
type
magnetic powder
sintered magnets
corresponding sintered
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 - Fee Related
Application number
FR9214995A
Other languages
English (en)
Other versions
FR2698999A1 (fr
Inventor
Alain Barzasi
Hiroshi Nagata
Masato Sagawa
Fernand Vial
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.)
Ugimag SA
Original Assignee
Ugimag SA
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 Ugimag SA filed Critical Ugimag SA
Priority to FR9214995A priority Critical patent/FR2698999B1/fr
Priority to US08/160,652 priority patent/US5482575A/en
Priority to EP93420483A priority patent/EP0601943B1/fr
Priority to FI935472A priority patent/FI113209B/fi
Priority to AT93420483T priority patent/ATE166488T1/de
Priority to CA002110846A priority patent/CA2110846A1/fr
Priority to DE69318682T priority patent/DE69318682T2/de
Priority to ES93420483T priority patent/ES2117117T3/es
Priority to JP30808493A priority patent/JP3594326B2/ja
Priority to SI9300639A priority patent/SI9300639A/sl
Publication of FR2698999A1 publication Critical patent/FR2698999A1/fr
Application granted granted Critical
Publication of FR2698999B1 publication Critical patent/FR2698999B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/04—Making non-ferrous alloys by powder metallurgy
    • C22C1/0433—Nickel- or cobalt-based alloys
    • C22C1/0441—Alloys based on intermetallic compounds of the type rare earth - Co, Ni
    • 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
    • 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
    • H01F1/0573—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 obtained by reduction or by hydrogen decrepitation or embrittlement

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)
FR9214995A 1992-12-08 1992-12-08 Poudre magnétique de type Fe-TR-B et aimants frittés correspondants et leur méthode de préparation. Expired - Fee Related FR2698999B1 (fr)

Priority Applications (10)

Application Number Priority Date Filing Date Title
FR9214995A FR2698999B1 (fr) 1992-12-08 1992-12-08 Poudre magnétique de type Fe-TR-B et aimants frittés correspondants et leur méthode de préparation.
US08/160,652 US5482575A (en) 1992-12-08 1993-12-02 Fe-Re-B type magnetic powder, sintered magnets and preparation method thereof
FI935472A FI113209B (fi) 1992-12-08 1993-12-07 Fe-TR-B -tyyppinen magneettinen jauhe ja vastaavat sintratut magneetit sekä menetelmä niiden valmistamiseksi
AT93420483T ATE166488T1 (de) 1992-12-08 1993-12-07 Magnetpulver vom typ se-fe-b, sintermagnete daraus und herstellungsverfahren
CA002110846A CA2110846A1 (fr) 1992-12-08 1993-12-07 Poudre magnetique de type fe-tr-b et aimants frittes correspondants et leur methode de preparation
DE69318682T DE69318682T2 (de) 1992-12-08 1993-12-07 Magnetpulver vom Typ SE-Fe-B, Sintermagnete daraus und Herstellungsverfahren
EP93420483A EP0601943B1 (fr) 1992-12-08 1993-12-07 Poudre magnétique de type Fe-TR-B et aimants frittés correspondants et leur méthode de préparation
ES93420483T ES2117117T3 (es) 1992-12-08 1993-12-07 Polvo magnetico del tipo fe-tr-b e imanes fritados correspondientes y su metodo de preparacion.
JP30808493A JP3594326B2 (ja) 1992-12-08 1993-12-08 Ｆｅ−ＲＥ−Ｂタイプの磁石粉末、焼結磁石、及び、その調製法
SI9300639A SI9300639A (en) 1992-12-08 1993-12-08 Magnetic powder of type Fe - RARE EARTH - B and correspondent magnets and its method of preparation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9214995A FR2698999B1 (fr) 1992-12-08 1992-12-08 Poudre magnétique de type Fe-TR-B et aimants frittés correspondants et leur méthode de préparation.

Publications (2)

Publication Number Publication Date
FR2698999A1 FR2698999A1 (fr) 1994-06-10
FR2698999B1 true FR2698999B1 (fr) 1995-01-06

Family

ID=9436525

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9214995A Expired - Fee Related FR2698999B1 (fr) 1992-12-08 1992-12-08 Poudre magnétique de type Fe-TR-B et aimants frittés correspondants et leur méthode de préparation.

Country Status (1)

Country Link
FR (1) FR2698999B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111636035B (zh) * 2020-06-11 2022-03-01 福建省长汀金龙稀土有限公司 重稀土合金、钕铁硼永磁材料、原料和制备方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2201426B (en) * 1987-02-27 1990-05-30 Philips Electronic Associated Improved method for the manufacture of rare earth transition metal alloy magnets
JPS6448403A (en) * 1987-08-19 1989-02-22 Mitsubishi Metal Corp Rare earth-iron-boron magnet powder and manufacture thereof
JPH0735521B2 (ja) * 1990-08-30 1995-04-19 住友特殊金属株式会社 Ｒ‐Ｆｅ‐Ｂ系永久磁石用原料粉末
JPH04120238A (ja) * 1990-09-11 1992-04-21 Tdk Corp 希土類焼結合金の製造方法および永久磁石の製造方法
JP3092672B2 (ja) * 1991-01-30 2000-09-25 三菱マテリアル株式会社 希土類−Ｆｅ−Ｃｏ−Ｂ系異方性磁石

Also Published As

Publication number Publication date
FR2698999A1 (fr) 1994-06-10

Similar Documents

Publication Publication Date Title
EP0274034A3 (en) Anisotropic magnetic powder, magnet thereof and method of producing same
GB2227375B (en) Neodymium-boron-iron magnet assembly and method of making same
DE3380376D1 (en) Magnetic materials, permanent magnets and methods of making those
GB2203909B (en) Superconductor for magnetic field shielding
EP0301561A3 (en) Magnetic shield-forming magnetically soft powder, composition thereof, and process of making
EP0304054A3 (en) Rare earth-iron-boron magnet powder and process of producing same
EP0242038A3 (en) Magnetic induction hearing aid
EP0276123A3 (en) Magnetic field generating assembly
EP0480489A3 (en) Thermomagnetically-patterned magnets and method of making same
GB8819379D0 (en) Eddy current correction of electro-magnetic fields
FR2642236B1 (fr) Anneau magnetique multipolaire
DE3786426D1 (de) Dauermagnet und dauermagnetlegierung.
EP0414528A3 (en) Ferromagnetic compensation rings for high field strength magnets
AU578518B2 (en) Enhanced remanence permanent magnetic alloy and bodies thereof and method of preparing same
DE69317113D1 (de) Seltenerd magnetpulver und herstellungsverfahren
DE69700776T2 (de) Ferrit-magnet, pulver und herstellungsverfahren dafür
FR2698999B1 (fr) Poudre magnétique de type Fe-TR-B et aimants frittés correspondants et leur méthode de préparation.
GB8813120D0 (en) Composite materials suitable for magnetic & electronic shielding as well as for permanent magnets
HU907678D0 (en) Fe-nd-b alloy, sintered permanent magnet and process for manufacturing them
DE68921021D1 (de) Weichmagnetische Legierung auf Eisenbasis und daraus hergestellter Pulverkern.
EP0638910A3 (fr) Céramique frittée pour thermistors stables à hautes températures et leur procédé de fabrication.
DE69424845T2 (de) Magnetisches Pulver, Dauermagnet und Herstellungsverfahren
HU9203196D0 (en) Manufacturing permanent magnets by method of powder metallurgy
FI945443A0 (fi) Parannettu menetelmä rautaa sisältävän titaanipitoisen materiaalin rikastamiseksi
KR890003474A (ko) 희토류-Fe-B계 합금자석분말

Legal Events

Date Code Title Description
ST Notification of lapse