JPH0353361B2 - - Google Patents

Info

Publication number
JPH0353361B2
JPH0353361B2 JP63237554A JP23755488A JPH0353361B2 JP H0353361 B2 JPH0353361 B2 JP H0353361B2 JP 63237554 A JP63237554 A JP 63237554A JP 23755488 A JP23755488 A JP 23755488A JP H0353361 B2 JPH0353361 B2 JP H0353361B2
Authority
JP
Japan
Prior art keywords
cylinder
plasma
metal
flame
torch
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
JP63237554A
Other languages
English (en)
Japanese (ja)
Other versions
JPH01111805A (ja
Inventor
Daburyuu Sorano Uitoo
Jii Piraro Furanku
Etsuchi Uan Suteenkisute Toomasu
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.)
Motors Liquidation Co
Original Assignee
General Motors 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 General Motors Corp filed Critical General Motors Corp
Publication of JPH01111805A publication Critical patent/JPH01111805A/ja
Publication of JPH0353361B2 publication Critical patent/JPH0353361B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
    • B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
    • B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
    • 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
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/14—Treatment of metallic powder
    • B22F1/142—Thermal or thermo-mechanical treatment
    • 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
    • B22F9/002—Making metallic powder or suspensions thereof amorphous or microcrystalline
    • B22F9/008—Rapid solidification processing
    • 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
    • H01F1/0574—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 liquid dynamic compaction
    • 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
    • B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
    • B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
    • B22F2009/0804—Dispersion in or on liquid, other than with sieves
    • B22F2009/0812—Pulverisation with a moving liquid coolant stream, by centrifugally rotating stream
    • 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
    • B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
    • B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
    • B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
    • B22F2009/086—Cooling after atomisation
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
JP63237554A 1987-09-24 1988-09-24 プラズマ吹き付けにより金属を溶解し急速固化する方法 Granted JPH01111805A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/100,429 US4781754A (en) 1987-09-24 1987-09-24 Rapid solidification of plasma sprayed magnetic alloys
US100,429 1987-09-24

Publications (2)

Publication Number Publication Date
JPH01111805A JPH01111805A (ja) 1989-04-28
JPH0353361B2 true JPH0353361B2 (Direct) 1991-08-14

Family

ID=22279741

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63237554A Granted JPH01111805A (ja) 1987-09-24 1988-09-24 プラズマ吹き付けにより金属を溶解し急速固化する方法

Country Status (2)

Country Link
US (1) US4781754A (Direct)
JP (1) JPH01111805A (Direct)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012176950A1 (ko) * 2011-06-20 2012-12-27 Na Gi-Oh 분체 자동 개포장치

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2626797B1 (fr) * 1988-02-04 1991-04-19 Commissariat Energie Atomique Procede et installation pour l'amelioration de la qualite d'une poudre metallique ou ceramique
US4867785A (en) * 1988-05-09 1989-09-19 Ovonic Synthetic Materials Company, Inc. Method of forming alloy particulates having controlled submicron crystallite size distributions
US4990876A (en) * 1989-09-15 1991-02-05 Eastman Kodak Company Magnetic brush, inner core therefor, and method for making such core
FR2679473B1 (fr) * 1991-07-25 1994-01-21 Aubert Duval Procede et dispositif de production de poudres et notamment de poudres metalliques par atomisation.
US5294242A (en) * 1991-09-30 1994-03-15 Air Products And Chemicals Method for making metal powders
US6596096B2 (en) 2001-08-14 2003-07-22 General Electric Company Permanent magnet for electromagnetic device and method of making

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3316073A (en) * 1961-08-02 1967-04-25 Norton Co Process for making metal bonded diamond tools employing spherical pellets of metallic powder-coated diamond grits
US3963812A (en) * 1975-01-30 1976-06-15 Schlienger, Inc. Method and apparatus for making high purity metallic powder
US4221587A (en) * 1979-03-23 1980-09-09 Allied Chemical Corporation Method for making metallic glass powder
JPS5871306A (ja) * 1981-10-26 1983-04-28 Daido Steel Co Ltd 粉末の製造方法
JPS59118804A (ja) * 1982-12-27 1984-07-09 Hitachi Metals Ltd Ｆｅ−Ｃｒ−Ｃｏ系磁石合金粉末の製造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012176950A1 (ko) * 2011-06-20 2012-12-27 Na Gi-Oh 분체 자동 개포장치

Also Published As

Publication number Publication date
JPH01111805A (ja) 1989-04-28
US4781754A (en) 1988-11-01

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