FR2558086B1 - METHOD FOR PRODUCING ACICULAR OR EQUIAXIAL IRON OR IRON ALLOY PARTICLES BY DISSOLUTION OF A METAL STRIP CONTAINING SUCH PARTICLES - Google Patents

METHOD FOR PRODUCING ACICULAR OR EQUIAXIAL IRON OR IRON ALLOY PARTICLES BY DISSOLUTION OF A METAL STRIP CONTAINING SUCH PARTICLES

Info

Publication number
FR2558086B1
FR2558086B1 FR8403769A FR8403769A FR2558086B1 FR 2558086 B1 FR2558086 B1 FR 2558086B1 FR 8403769 A FR8403769 A FR 8403769A FR 8403769 A FR8403769 A FR 8403769A FR 2558086 B1 FR2558086 B1 FR 2558086B1
Authority
FR
France
Prior art keywords
particles
iron
equiaxial
dissolution
metal strip
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
Application number
FR8403769A
Other languages
French (fr)
Other versions
FR2558086A1 (en
Inventor
Michael J Pryor
Lifun Lin
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.)
Olin Corp
Original Assignee
Olin 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
Priority claimed from US06/570,120 external-priority patent/US4540477A/en
Priority claimed from US06/570,119 external-priority patent/US4544463A/en
Application filed by Olin Corp filed Critical Olin Corp
Publication of FR2558086A1 publication Critical patent/FR2558086A1/en
Application granted granted Critical
Publication of FR2558086B1 publication Critical patent/FR2558086B1/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
    • G11B5/706—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material
    • G11B5/70605—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material metals or alloys
    • 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
    • B22F1/06—Metallic powder characterised by the shape of the particles
    • B22F1/062—Fibrous particles
    • 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
    • B22F9/16—Making metallic powder or suspensions thereof using chemical processes
    • 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
    • H01F1/06—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 in the form of particles, e.g. powder

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Metallurgy (AREA)
  • Nanotechnology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
FR8403769A 1984-01-12 1984-03-12 METHOD FOR PRODUCING ACICULAR OR EQUIAXIAL IRON OR IRON ALLOY PARTICLES BY DISSOLUTION OF A METAL STRIP CONTAINING SUCH PARTICLES Expired FR2558086B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/570,120 US4540477A (en) 1983-05-27 1984-01-12 Apparatus for producing acicular or equiaxed iron or iron alloy particles
US06/570,119 US4544463A (en) 1983-05-27 1984-01-12 Method for producing equiaxed iron or iron alloy particles

Publications (2)

Publication Number Publication Date
FR2558086A1 FR2558086A1 (en) 1985-07-19
FR2558086B1 true FR2558086B1 (en) 1986-12-26

Family

ID=27075239

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8403769A Expired FR2558086B1 (en) 1984-01-12 1984-03-12 METHOD FOR PRODUCING ACICULAR OR EQUIAXIAL IRON OR IRON ALLOY PARTICLES BY DISSOLUTION OF A METAL STRIP CONTAINING SUCH PARTICLES

Country Status (6)

Country Link
CA (1) CA1226456A (en)
DE (1) DE3407875A1 (en)
FR (1) FR2558086B1 (en)
GB (1) GB2152533B (en)
IT (1) IT1177587B (en)
NL (1) NL8401012A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0214644A3 (en) * 1985-09-09 1988-10-05 Olin Corporation Method of producing ferromagnetic particles
DE4220849C1 (en) * 1992-06-25 1993-03-18 Schott Glaswerke, 6500 Mainz, De
ES2145703B1 (en) * 1998-04-07 2001-03-16 Promesos S L PROCEDURE FOR THE MANUFACTURE OF MIXED OXIDES OF MAGNETIC CHARACTERISTICS, PARTICLES OBTAINED BY THE SAME, AND ITS USE.
DE202013007420U1 (en) * 2013-08-19 2013-10-16 Oleksandr Tashlyk The method of making a super thin invisible material.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2734817A (en) * 1956-02-14 Metallic powders
GB833089A (en) * 1956-09-12 1960-04-21 Handy & Harman Improvements in fine particle magnetic materials
GB1103396A (en) * 1966-02-07 1968-02-14 Int Nickel Ltd Manufacture of precious metal spheres and spheroids
DE2909995C2 (en) * 1978-03-16 1984-06-28 Kanto Denka Kogyo Co., Ltd., Tokyo Method for producing a magnetic powder
DE3026696A1 (en) * 1980-07-15 1982-02-18 Basf Ag, 6700 Ludwigshafen FERROMAGNETIC, PARTICULARLY IRON METAL PARTICLES WITH A SURFACE COVER, METHOD FOR THE PRODUCTION THEREOF AND THEIR USE FOR THE PRODUCTION OF MAGNETIC RECORDING CARRIERS

Also Published As

Publication number Publication date
GB8411908D0 (en) 1984-06-13
IT8447813A0 (en) 1984-03-07
GB2152533B (en) 1988-01-06
FR2558086A1 (en) 1985-07-19
GB2152533A (en) 1985-08-07
IT8447813A1 (en) 1985-09-07
CA1226456A (en) 1987-09-08
IT1177587B (en) 1987-08-26
NL8401012A (en) 1985-08-01
DE3407875A1 (en) 1985-07-18

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Legal Events

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