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NL169198C - METHOD FOR PREPARING FERROMAGNETIC PARTICLES, AND MAGNETS AND MAGNETIC COMPONENTS COMPOSED THEREOF - Google Patents

METHOD FOR PREPARING FERROMAGNETIC PARTICLES, AND MAGNETS AND MAGNETIC COMPONENTS COMPOSED THEREOF

Info

Publication number
NL169198C
NL169198C NL6909766A NL6909766A NL169198C NL 169198 C NL169198 C NL 169198C NL 6909766 A NL6909766 A NL 6909766A NL 6909766 A NL6909766 A NL 6909766A NL 169198 C NL169198 C NL 169198C
Authority
NL
Netherlands
Prior art keywords
magnets
magnetic components
ferromagnetic particles
components composed
preparing ferromagnetic
Prior art date
Application number
NL6909766A
Other languages
Dutch (nl)
Other versions
NL6909766A (en
NL169198B (en
Inventor
Jr E L Little
J D Wolf
Original Assignee
Du Pont
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 Du Pont filed Critical Du Pont
Publication of NL6909766A publication Critical patent/NL6909766A/xx
Publication of NL169198B publication Critical patent/NL169198B/en
Application granted granted Critical
Publication of NL169198C publication Critical patent/NL169198C/en

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032Magnets 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
    • H01F1/09Magnets 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 mixtures of metallic and non-metallic particles; metallic particles having oxide skin
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00Making metallic powder or suspensions thereof
    • B22F9/16Making metallic powder or suspensions thereof using chemical processes
    • B22F9/18Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
    • B22F9/24Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from liquid metal compounds, e.g. solutions
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/32Ferrous alloys, e.g. steel alloys containing chromium with boron
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/52Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62Record carriers characterised by the selection of the material
    • G11B5/68Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70Record 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
    • G11B5/706Record 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62Record carriers characterised by the selection of the material
    • G11B5/68Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70Record 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
    • G11B5/706Record 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
    • G11B5/70605Record 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
    • G11B5/70615Record 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 containing Fe metal or alloys
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032Magnets 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
    • H01F1/04Magnets 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
    • H01F1/06Magnets 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032Magnets 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
    • H01F1/04Magnets 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
    • H01F1/06Magnets 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
    • H01F1/065Magnets 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 obtained by a reduction

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Metallurgy (AREA)
  • Power Engineering (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Hard Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
NL6909766A 1968-06-25 1969-06-25 METHOD FOR PREPARING FERROMAGNETIC PARTICLES, AND MAGNETS AND MAGNETIC COMPONENTS COMPOSED THEREOF NL169198C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US73986068A 1968-06-25 1968-06-25
US82738669A 1969-05-23 1969-05-23

Publications (3)

Publication Number Publication Date
NL6909766A NL6909766A (en) 1969-12-30
NL169198B NL169198B (en) 1982-01-18
NL169198C true NL169198C (en) 1982-06-16

Family

ID=27113588

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6909766A NL169198C (en) 1968-06-25 1969-06-25 METHOD FOR PREPARING FERROMAGNETIC PARTICLES, AND MAGNETS AND MAGNETIC COMPONENTS COMPOSED THEREOF

Country Status (7)

Country Link
JP (1) JPS5010263B1 (en)
BE (1) BE735054A (en)
DE (1) DE1931664B2 (en)
FR (1) FR2014222B1 (en)
GB (1) GB1229758A (en)
NL (1) NL169198C (en)
SE (1) SE374392B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5376957A (en) * 1976-12-20 1978-07-07 Hitachi Maxell Magnetic metal iron powder and said manufacturing process
DE2743298A1 (en) * 1977-09-27 1979-04-05 Basf Ag FERROMAGNETIC METAL PARTS CONSISTING MAINLY OF IRON AND THE PROCESS FOR THEIR PRODUCTION
JPS5853022A (en) * 1981-09-24 1983-03-29 Hitachi Maxell Ltd Magnetic recording medium
JPS5999706A (en) * 1982-11-29 1984-06-08 Kanto Denka Kogyo Kk Ferromagnetic metal powder for magnetic recording and manufacture thereof
JPS59170211A (en) * 1983-03-14 1984-09-26 Toho Aen Kk Production of ultrafine powder
JPS62185967U (en) * 1986-05-20 1987-11-26
FR3127111B1 (en) 2021-09-17 2023-09-29 Robocath TRAINING MODULE FOR TRANSLATION OF SEVERAL FLEXIBLE ELONGATED MEDICAL INSTRUMENTS INCLUDING A CONVERGENCE DEVICE TOWARDS A COMMON TRACK
FR3127110A1 (en) 2021-09-17 2023-03-24 Robocath CATHETER ROBOT TRAINING MODULE comprising y-connector base and support, associated training module base, associated y-connector support
FR3127113B1 (en) 2021-09-17 2024-05-03 Robocath TRANSLATION TRAINING MODULE OF AT LEAST ONE ELONGATED FLEXIBLE MEDICAL INSTRUMENT WITH TRANSLATION GUIDE CHANNEL OF THIS ELONGATED FLEXIBLE MEDICAL INSTRUMENT
FR3127112B1 (en) 2021-09-17 2024-11-15 Robocath ROBOT CATHETER

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1047933A (en) * 1962-09-12 1966-11-09 Exxon Research Engineering Co Catalysts
US3206338A (en) * 1963-05-10 1965-09-14 Du Pont Non-pyrophoric, ferromagnetic acicular particles and their preparation

Also Published As

Publication number Publication date
FR2014222A1 (en) 1970-04-17
SE374392B (en) 1975-03-03
DE1931664A1 (en) 1970-02-19
NL6909766A (en) 1969-12-30
JPS5010263B1 (en) 1975-04-19
NL169198B (en) 1982-01-18
BE735054A (en) 1969-12-24
DE1931664B2 (en) 1971-04-15
FR2014222B1 (en) 1974-06-14
GB1229758A (en) 1971-04-28

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee