EP3093857A4 - Method for producing magnets using powder metallurgy - Google Patents

Method for producing magnets using powder metallurgy Download PDF

Info

Publication number
EP3093857A4
EP3093857A4 EP14876586.0A EP14876586A EP3093857A4 EP 3093857 A4 EP3093857 A4 EP 3093857A4 EP 14876586 A EP14876586 A EP 14876586A EP 3093857 A4 EP3093857 A4 EP 3093857A4
Authority
EP
European Patent Office
Prior art keywords
powder metallurgy
producing magnets
magnets
producing
metallurgy
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.)
Withdrawn
Application number
EP14876586.0A
Other languages
German (de)
French (fr)
Other versions
EP3093857A1 (en
Inventor
Juan Manuel Montes Martos
Jesús CINTAS FÍSICO
Francisco GÓMEZ CUEVAS
Fátima TERNERO FERNÁNDEZ
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.)
Universidad de Sevilla
Universidad de Huelva
Original Assignee
Universidad de Sevilla
Universidad de Huelva
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 Universidad de Sevilla, Universidad de Huelva filed Critical Universidad de Sevilla
Publication of EP3093857A1 publication Critical patent/EP3093857A1/en
Publication of EP3093857A4 publication Critical patent/EP3093857A4/en
Withdrawn legal-status Critical Current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
    • C22C28/00—Alloys based on a metal not provided for in groups C22C5/00 - C22C27/00
    • 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
    • B22F3/105—Sintering only by using electric current other than for infrared radiant energy, laser radiation or plasma ; by ultrasonic bonding
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C19/00—Alloys based on nickel or cobalt
    • C22C19/007—Alloys based on nickel or cobalt with a light metal (alkali metal Li, Na, K, Rb, Cs; earth alkali metal Be, Mg, Ca, Sr, Ba, Al Ga, Ge, Ti) or B, Si, Zr, Hf, Sc, Y, lanthanides, actinides, as the next major constituent
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C19/00—Alloys based on nickel or cobalt
    • C22C19/03—Alloys based on nickel or cobalt based on nickel
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C19/00—Alloys based on nickel or cobalt
    • C22C19/07—Alloys based on nickel or cobalt based on cobalt
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
    • H01F41/0273—Imparting anisotropy
    • 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
    • B22F3/105—Sintering only by using electric current other than for infrared radiant energy, laser radiation or plasma ; by ultrasonic bonding
    • B22F2003/1051—Sintering only by using electric current other than for infrared radiant energy, laser radiation or plasma ; by ultrasonic bonding by electric discharge
    • 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
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
    • B22F2998/10—Processes characterised by the sequence of their steps
    • 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
    • B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
    • 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
    • B22F3/12—Both compacting and sintering
    • B22F3/14—Both compacting and sintering simultaneously
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C2200/00—Crystalline structure
    • C22C2200/02—Amorphous
    • 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
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C9/00—Alloys based on copper
EP14876586.0A 2013-12-30 2014-12-29 Method for producing magnets using powder metallurgy Withdrawn EP3093857A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES201400015A ES2543652B1 (en) 2013-12-30 2013-12-30 Method for powder metallurgy manufacturing
PCT/ES2014/000223 WO2015101682A1 (en) 2013-12-30 2014-12-29 Method for producing magnets using powder metallurgy

Publications (2)

Publication Number Publication Date
EP3093857A1 EP3093857A1 (en) 2016-11-16
EP3093857A4 true EP3093857A4 (en) 2017-08-30

Family

ID=53493298

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14876586.0A Withdrawn EP3093857A4 (en) 2013-12-30 2014-12-29 Method for producing magnets using powder metallurgy

Country Status (3)

Country Link
EP (1) EP3093857A4 (en)
ES (1) ES2543652B1 (en)
WO (1) WO2015101682A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106098325A (en) * 2016-08-11 2016-11-09 吴江变压器有限公司 A kind of epoxy pouring type dry transformer high-tension coil pressure regulation attachment structure
EP3862110A1 (en) * 2020-02-07 2021-08-11 EPoS S.r.L. Composite magnetic materials and method of manufacturing the same
CN115502401A (en) * 2022-08-29 2022-12-23 合肥工业大学 Auxiliary sintering device for powder metallurgy field with coupled heating

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5382303A (en) * 1992-04-13 1995-01-17 Sps Technologies, Inc. Permanent magnets and methods for their fabrication
US20120181476A1 (en) * 2010-03-31 2012-07-19 Nitto Denko Corporation Permanent magnet and manufacturing method thereof
WO2012159096A2 (en) * 2011-05-18 2012-11-22 The Regents Of The University Of California Nanostructured high-strength permanent magnets
US20130266473A1 (en) * 2012-04-05 2013-10-10 GM Global Technology Operations LLC Method of Producing Sintered Magnets with Controlled Structures and Composition Distribution

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54104408A (en) * 1978-02-03 1979-08-16 Namiki Precision Jewel Co Ltd Rare earthhcobalt base permanent magnet alloy
WO1980002297A1 (en) * 1979-04-18 1980-10-30 Namiki Precision Jewel Co Ltd Process for producing permanent magnet alloy
GB8403751D0 (en) * 1984-02-13 1984-03-14 Sherritt Gordon Mines Ltd Producing sm2 co17 alloy
US7858023B2 (en) * 2004-06-30 2010-12-28 Tdk Corporation Method for producing raw material powder for rare earth sintered magnet, method for producing rare earth sintered magnet, granule and sintered body

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5382303A (en) * 1992-04-13 1995-01-17 Sps Technologies, Inc. Permanent magnets and methods for their fabrication
US20120181476A1 (en) * 2010-03-31 2012-07-19 Nitto Denko Corporation Permanent magnet and manufacturing method thereof
WO2012159096A2 (en) * 2011-05-18 2012-11-22 The Regents Of The University Of California Nanostructured high-strength permanent magnets
US20130266473A1 (en) * 2012-04-05 2013-10-10 GM Global Technology Operations LLC Method of Producing Sintered Magnets with Controlled Structures and Composition Distribution

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2015101682A1 *

Also Published As

Publication number Publication date
EP3093857A1 (en) 2016-11-16
WO2015101682A1 (en) 2015-07-09
ES2543652A1 (en) 2015-08-20
ES2543652B1 (en) 2016-03-01

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