MX9201942A - Metodo para la produccion de particulas magneticas de tierras raras con coercitividad mejorada. - Google Patents

Metodo para la produccion de particulas magneticas de tierras raras con coercitividad mejorada.

Info

Publication number
MX9201942A
MX9201942A MX9201942A MX9201942A MX9201942A MX 9201942 A MX9201942 A MX 9201942A MX 9201942 A MX9201942 A MX 9201942A MX 9201942 A MX9201942 A MX 9201942A MX 9201942 A MX9201942 A MX 9201942A
Authority
MX
Mexico
Prior art keywords
rare earth
coercitivity
production
improved
magnetic particles
Prior art date
Application number
MX9201942A
Other languages
English (en)
Inventor
Andrew S Kim
Original Assignee
Crucible Materials Corp
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 Crucible Materials Corp filed Critical Crucible Materials Corp
Publication of MX9201942A publication Critical patent/MX9201942A/es

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
    • H01F1/0573—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/023—Hydrogen absorption

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Hard Magnetic Materials (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)

Abstract

La presente invenciòn se refiere aun método para mejorar las propiedades megnéticas, particularmente la coercitividad intrínseca, de las partículas de una aleación magnética permanente que comprende un elemento de las tierras raras, hierro y boro. El método incluye someter partículas a una atmósfera de hidrógeno durante un periodo de tiempo suficiente, a una temperatura elevada, para hidrurar las partículas.
MX9201942A 1991-05-21 1992-04-27 Metodo para la produccion de particulas magneticas de tierras raras con coercitividad mejorada. MX9201942A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/703,759 US5127970A (en) 1991-05-21 1991-05-21 Method for producing rare earth magnet particles of improved coercivity

Publications (1)

Publication Number Publication Date
MX9201942A true MX9201942A (es) 1993-12-01

Family

ID=24826660

Family Applications (1)

Application Number Title Priority Date Filing Date
MX9201942A MX9201942A (es) 1991-05-21 1992-04-27 Metodo para la produccion de particulas magneticas de tierras raras con coercitividad mejorada.

Country Status (5)

Country Link
US (1) US5127970A (es)
EP (1) EP0516264A1 (es)
JP (1) JPH05209210A (es)
CA (1) CA2061764A1 (es)
MX (1) MX9201942A (es)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE167239T1 (de) * 1992-02-15 1998-06-15 Santoku Metal Ind Legierungsblock für einen dauermagnet, anisotropes pulver für einen dauermagnet, verfahren zur herstellung eines solchen und dauermagneten
DE69317113D1 (de) * 1992-12-28 1998-04-02 Aichi Steel Works Ltd Seltenerd magnetpulver und herstellungsverfahren
US5474623A (en) * 1993-05-28 1995-12-12 Rhone-Poulenc Inc. Magnetically anisotropic spherical powder and method of making same
US5454998A (en) * 1994-02-04 1995-10-03 Ybm Technologies, Inc. Method for producing permanent magnet
GB2310432B (en) * 1996-02-23 1998-05-27 Aichi Steel Works Ltd Production method production apparatus and heat treatment apparatus for anisotropic magnet powder
JP2881409B2 (ja) * 1996-10-28 1999-04-12 愛知製鋼株式会社 異方性磁石粉末の製造方法
JP3120172B2 (ja) * 1997-12-22 2000-12-25 愛知製鋼株式会社 希土類系磁石粉末の製造装置
US6261515B1 (en) 1999-03-01 2001-07-17 Guangzhi Ren Method for producing rare earth magnet having high magnetic properties
US6444052B1 (en) 1999-10-13 2002-09-03 Aichi Steel Corporation Production method of anisotropic rare earth magnet powder
DE60118623T2 (de) * 2000-08-31 2007-05-03 Showa Denko K.K. Schleudergussverfahren und schleudergussvorrichtung
JP3452254B2 (ja) * 2000-09-20 2003-09-29 愛知製鋼株式会社 異方性磁石粉末の製造方法、異方性磁石粉末の原料粉末およびボンド磁石
JP5686213B1 (ja) * 2014-03-28 2015-03-18 Tdk株式会社 Ｒ−ｔ−ｂ系永久磁石
JP5686212B1 (ja) * 2014-03-28 2015-03-18 Tdk株式会社 Ｒ−ｔ−ｂ系永久磁石
KR20230141898A (ko) * 2016-06-17 2023-10-10 카스턴 매뉴팩츄어링 코오포레이숀 자기 조정 가능 웨이팅 시스템을 갖는 골프 클럽 헤드

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6390104A (ja) * 1986-10-03 1988-04-21 Tdk Corp 希土類−鉄−ホウ素系永久磁石の製造方法
EP0304054B1 (en) * 1987-08-19 1994-06-08 Mitsubishi Materials Corporation Rare earth-iron-boron magnet powder and process of producing same
US4760966A (en) * 1987-08-28 1988-08-02 The United States Of America As Represented By The Secretary Of The Army Method of comminuting rare earth magnet alloys into fine particles
JP2564492B2 (ja) * 1987-10-13 1996-12-18 三菱マテリアル株式会社 希土類−Ｆｅ−Ｂ系鋳造体永久磁石の製造法

Also Published As

Publication number Publication date
US5127970A (en) 1992-07-07
JPH05209210A (ja) 1993-08-20
EP0516264A1 (en) 1992-12-02
CA2061764A1 (en) 1992-11-22

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