FI113209B - Fe-TR-B -tyyppinen magneettinen jauhe ja vastaavat sintratut magneetit sekä menetelmä niiden valmistamiseksi - Google Patents

Fe-TR-B -tyyppinen magneettinen jauhe ja vastaavat sintratut magneetit sekä menetelmä niiden valmistamiseksi Download PDF

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Publication number
FI113209B
FI113209B FI935472A FI935472A FI113209B FI 113209 B FI113209 B FI 113209B FI 935472 A FI935472 A FI 935472A FI 935472 A FI935472 A FI 935472A FI 113209 B FI113209 B FI 113209B
Authority
FI
Finland
Prior art keywords
powder
range
weight
mixture
hydrogen
Prior art date
Application number
FI935472A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI935472A0 (fi
FI935472A7 (fi
Inventor
Masato Sagawa
Fernand Vial
Alain Barzasi
Hiroshi Nagata
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
Priority claimed from FR9214995A external-priority patent/FR2698999B1/fr
Priority claimed from FR9308586A external-priority patent/FR2707421B1/fr
Application filed by Ugimag Sa filed Critical Ugimag Sa
Publication of FI935472A0 publication Critical patent/FI935472A0/fi
Publication of FI935472A7 publication Critical patent/FI935472A7/fi
Application granted granted Critical
Publication of FI113209B publication Critical patent/FI113209B/fi

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
    • 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)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Hard Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)
FI935472A 1992-12-08 1993-12-07 Fe-TR-B -tyyppinen magneettinen jauhe ja vastaavat sintratut magneetit sekä menetelmä niiden valmistamiseksi FI113209B (fi)

Applications Claiming Priority (4)

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.
FR9214995 1993-07-07
FR9308586 1993-07-07
FR9308586A FR2707421B1 (fr) 1993-07-07 1993-07-07 Poudre additive pour la fabrication d'aimants frittés type Fe-Nd-B, méthode de fabrication et aimants correspondants.

Publications (3)

Publication Number Publication Date
FI935472A0 FI935472A0 (fi) 1993-12-07
FI935472A7 FI935472A7 (fi) 1994-06-09
FI113209B true FI113209B (fi) 2004-03-15

Family

ID=26229947

Family Applications (1)

Application Number Title Priority Date Filing Date
FI935472A FI113209B (fi) 1992-12-08 1993-12-07 Fe-TR-B -tyyppinen magneettinen jauhe ja vastaavat sintratut magneetit sekä menetelmä niiden valmistamiseksi

Country Status (9)

Country Link
US (1) US5482575A (de)
EP (1) EP0601943B1 (de)
JP (1) JP3594326B2 (de)
AT (1) ATE166488T1 (de)
CA (1) CA2110846A1 (de)
DE (1) DE69318682T2 (de)
ES (1) ES2117117T3 (de)
FI (1) FI113209B (de)
SI (1) SI9300639A (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1073069A1 (de) * 1993-11-02 2001-01-31 TDK Corporation Herstellung eines Dauermagnets
DE19541948A1 (de) * 1995-11-10 1997-05-15 Schramberg Magnetfab Magnetmaterial und Dauermagnet des NdFeB-Typs
EP0789367A1 (de) * 1996-02-09 1997-08-13 Crucible Materials Corporation Verfahren zur Herstellung selektiven Klassen von Seltenerdmagneten unter Verwendung einer Vielzahl von Partikelgruppen
DE19636285C2 (de) * 1996-09-06 1998-07-16 Vakuumschmelze Gmbh Verfahren zur Herstellung eines SE-Fe-B-Dauermagneten
JP3901259B2 (ja) * 1996-09-30 2007-04-04 本田技研工業株式会社 ＳｍＦｅ系磁歪材料
US6425961B1 (en) * 1998-05-15 2002-07-30 Alps Electric Co., Ltd. Composite hard magnetic material and method for producing the same
US20050062572A1 (en) * 2003-09-22 2005-03-24 General Electric Company Permanent magnet alloy for medical imaging system and method of making
JP4534553B2 (ja) * 2004-03-30 2010-09-01 Ｔｄｋ株式会社 Ｒ−ｔ−ｂ系焼結磁石及びその製造方法
JP5115511B2 (ja) * 2008-03-28 2013-01-09 Ｔｄｋ株式会社 希土類磁石
JP2011258935A (ja) * 2010-05-14 2011-12-22 Shin Etsu Chem Co Ltd Ｒ−ｔ−ｂ系希土類焼結磁石
JP7099924B2 (ja) * 2018-09-21 2022-07-12 トヨタ自動車株式会社 希土類磁石及びその製造方法
KR102589893B1 (ko) * 2019-09-26 2023-10-16 주식회사 엘지화학 소결 자석의 제조 방법 및 소결 자석
CN110957125B (zh) * 2019-12-24 2021-11-05 厦门钨业股份有限公司 一种钕铁硼永磁材料的烧结方法、钕铁硼永磁材料
CN111180158A (zh) * 2019-12-30 2020-05-19 宁波韵升股份有限公司 一种r-t-b系烧结永磁体及其制备方法

Family Cites Families (13)

* 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
US5123974A (en) * 1987-09-16 1992-06-23 Giancola Dominic J Process for increasing the transition temperature of metallic superconductors
US5000800A (en) * 1988-06-03 1991-03-19 Masato Sagawa Permanent magnet and method for producing the same
JP2787580B2 (ja) * 1988-10-06 1998-08-20 眞人 佐川 熱処理性がすぐれたＮｄ−Ｆｅ−Ｂ系焼結磁石
JP2675430B2 (ja) * 1989-10-12 1997-11-12 川崎製鉄株式会社 耐蝕性希土類―遷移金属系磁石およびその製造方法
US5200001A (en) * 1989-12-01 1993-04-06 Sumitomo Special Metals Co., Ltd. Permanent magnet
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
DE69202515T2 (de) * 1991-06-04 1995-09-21 Shinetsu Chemical Co Verfahren zur Herstellung von zweiphasigen Dauermagneten auf der Basis von Seltenen Erden.
JP3254229B2 (ja) * 1991-09-11 2002-02-04 信越化学工業株式会社 希土類永久磁石の製造方法
US5387291A (en) * 1992-03-19 1995-02-07 Sumitomo Special Metals Co., Ltd. Process for producing alloy powder material for R-Fe-B permanent magnets and alloy powder for adjusting the composition therefor

Also Published As

Publication number Publication date
CA2110846A1 (fr) 1994-06-09
DE69318682T2 (de) 1998-11-26
FI935472A0 (fi) 1993-12-07
ATE166488T1 (de) 1998-06-15
US5482575A (en) 1996-01-09
FI935472A7 (fi) 1994-06-09
DE69318682D1 (de) 1998-06-25
EP0601943A1 (de) 1994-06-15
EP0601943B1 (de) 1998-05-20
JPH06231916A (ja) 1994-08-19
JP3594326B2 (ja) 2004-11-24
ES2117117T3 (es) 1998-08-01
SI9300639A (en) 1994-06-30

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