ES2064050T3 - Metodo para producir un material magnetico permanente del tipo nd-fe. - Google Patents

Metodo para producir un material magnetico permanente del tipo nd-fe.

Info

Publication number
ES2064050T3
ES2064050T3 ES91309316T ES91309316T ES2064050T3 ES 2064050 T3 ES2064050 T3 ES 2064050T3 ES 91309316 T ES91309316 T ES 91309316T ES 91309316 T ES91309316 T ES 91309316T ES 2064050 T3 ES2064050 T3 ES 2064050T3
Authority
ES
Spain
Prior art keywords
magnetic material
produce
type
permanent magnetic
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 - Lifetime
Application number
ES91309316T
Other languages
English (en)
Spanish (es)
Inventor
Victor Ching-Wah Lee
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.)
LEE VICTOR CHING WAH
Original Assignee
LEE VICTOR CHING WAH
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 LEE VICTOR CHING WAH filed Critical LEE VICTOR CHING WAH
Application granted granted Critical
Publication of ES2064050T3 publication Critical patent/ES2064050T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/02—Making ferrous alloys by powder metallurgy
    • C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
    • C22C33/0278—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5%
    • 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
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/10—Sintering only
    • B22F3/1017—Multiple heating or additional steps
    • 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)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Power Engineering (AREA)
  • Hard Magnetic Materials (AREA)
ES91309316T 1990-10-10 1991-10-10 Metodo para producir un material magnetico permanente del tipo nd-fe. Expired - Lifetime ES2064050T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB909022033A GB9022033D0 (en) 1990-10-10 1990-10-10 A method of making a material with permanent magnetic properties

Publications (1)

Publication Number Publication Date
ES2064050T3 true ES2064050T3 (es) 1995-01-16

Family

ID=10683502

Family Applications (1)

Application Number Title Priority Date Filing Date
ES91309316T Expired - Lifetime ES2064050T3 (es) 1990-10-10 1991-10-10 Metodo para producir un material magnetico permanente del tipo nd-fe.

Country Status (5)

Country Link
EP (1) EP0480722B1 (de)
DE (1) DE69104004T2 (de)
ES (1) ES2064050T3 (de)
GB (1) GB9022033D0 (de)
HK (1) HK28896A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4331563A1 (de) * 1992-09-18 1994-03-24 Hitachi Metals Ltd Nd-Fe-B-Sintermagnete
DE19541948A1 (de) * 1995-11-10 1997-05-15 Schramberg Magnetfab Magnetmaterial und Dauermagnet des NdFeB-Typs

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4601875A (en) * 1983-05-25 1986-07-22 Sumitomo Special Metals Co., Ltd. Process for producing magnetic materials
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
ATE106599T1 (de) * 1988-10-17 1994-06-15 Philips Nv Verfahren zum herstellen eines dauermagneten.

Also Published As

Publication number Publication date
DE69104004T2 (de) 1995-03-09
HK28896A (en) 1996-02-23
DE69104004D1 (de) 1994-10-20
GB9022033D0 (en) 1990-11-21
EP0480722B1 (de) 1994-09-14
EP0480722A3 (en) 1992-08-05
EP0480722A2 (de) 1992-04-15

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