DE69114190D1 - Verfahren zur Herstellung von feinen Eisenkarbidteilchen. - Google Patents

Verfahren zur Herstellung von feinen Eisenkarbidteilchen.

Info

Publication number
DE69114190D1
DE69114190D1 DE69114190T DE69114190T DE69114190D1 DE 69114190 D1 DE69114190 D1 DE 69114190D1 DE 69114190 T DE69114190 T DE 69114190T DE 69114190 T DE69114190 T DE 69114190T DE 69114190 D1 DE69114190 D1 DE 69114190D1
Authority
DE
Germany
Prior art keywords
production
carbide particles
fine iron
iron carbide
fine
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 - Fee Related
Application number
DE69114190T
Other languages
English (en)
Other versions
DE69114190T2 (de
Inventor
Yoshiyuki Shibuya
Naoki Miyamoto
Shigeo Daimon
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.)
Daikin Industries Ltd
Original Assignee
Daikin Industries Ltd
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 Daikin Industries Ltd filed Critical Daikin Industries Ltd
Publication of DE69114190D1 publication Critical patent/DE69114190D1/de
Application granted granted Critical
Publication of DE69114190T2 publication Critical patent/DE69114190T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G49/00—Compounds of iron
    • 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
    • G11B5/70615—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 containing Fe metal or alloys
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/90—Carbides
    • C01B32/914—Carbides of single elements
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
    • C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/54—Particles characterised by their aspect ratio, i.e. the ratio of sizes in the longest to the shortest dimension
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Inorganic Chemistry (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Hard Magnetic Materials (AREA)
  • Compounds Of Iron (AREA)
  • Catalysts (AREA)
DE69114190T 1990-07-02 1991-07-01 Verfahren zur Herstellung von feinen Eisenkarbidteilchen. Expired - Fee Related DE69114190T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2175819A JPH085651B2 (ja) 1990-07-02 1990-07-02 炭化鉄微粒子の製造方法

Publications (2)

Publication Number Publication Date
DE69114190D1 true DE69114190D1 (de) 1995-12-07
DE69114190T2 DE69114190T2 (de) 1996-06-05

Family

ID=16002783

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69114190T Expired - Fee Related DE69114190T2 (de) 1990-07-02 1991-07-01 Verfahren zur Herstellung von feinen Eisenkarbidteilchen.

Country Status (7)

Country Link
US (1) US5205950A (de)
EP (1) EP0464745B1 (de)
JP (1) JPH085651B2 (de)
KR (1) KR940009271B1 (de)
CA (1) CA2046047A1 (de)
DE (1) DE69114190T2 (de)
TW (1) TW198707B (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69313532T2 (de) * 1992-01-22 1998-01-08 Daikin Ind Ltd Nadelförmige Mikroteilchen die metallisches Eisen, Eisenkarbid und Kohlenstoff enthalten, deren Produktion und Zusammensetzung für magnetische Oberflächenbeschichtung und magnetisches Aufnahmemedium welches diese enthält
US5869018A (en) * 1994-01-14 1999-02-09 Iron Carbide Holdings, Ltd. Two step process for the production of iron carbide from iron oxide
JPH07320919A (ja) * 1994-05-24 1995-12-08 Daikin Ind Ltd 被着した微粒子及びその製法並びに用途
AU750751B2 (en) 1998-03-31 2002-07-25 Iron Carbide Holdings, Ltd Process for the production of iron carbide from iron oxide using external sources of carbon monoxide
US9773594B2 (en) * 2012-01-04 2017-09-26 Virginia Commonwealth University Non-rare earth magnetic nanoparticles

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61106409A (ja) * 1984-10-25 1986-05-24 Daikin Ind Ltd 炭化鉄を含有する針状粒子の製法
EP0123318B1 (de) * 1983-04-25 1988-03-09 Daikin Kogyo Co., Ltd. Nadelförmiges Teilchenmaterial mit Eisenkarbid
JPS61106408A (ja) * 1984-10-25 1986-05-24 Daikin Ind Ltd 炭化鉄を含有する針状粒子の製造法
US4900464A (en) * 1985-12-24 1990-02-13 Daikin Industries Ltd. Particles containing iron carbide
JPS6395104A (ja) * 1986-10-06 1988-04-26 Daikin Ind Ltd Ｆｅ↓７Ｃ↓３を主成分とする炭化鉄を含有する粒子、その製法及び用途
JPH0729763B2 (ja) * 1987-10-13 1995-04-05 ダイキン工業株式会社 炭化鉄微粒子及びその製造法
JPH0729765B2 (ja) * 1988-01-27 1995-04-05 ダイキン工業株式会社 炭化鉄微粒子及びその製造方法
US5026605A (en) * 1988-04-28 1991-06-25 Daikin Industries Ltd. Coated iron carbide fine particles

Also Published As

Publication number Publication date
JPH085651B2 (ja) 1996-01-24
CA2046047A1 (en) 1992-01-03
EP0464745B1 (de) 1995-11-02
TW198707B (de) 1993-01-21
US5205950A (en) 1993-04-27
DE69114190T2 (de) 1996-06-05
KR920002471A (ko) 1992-02-28
JPH0465309A (ja) 1992-03-02
EP0464745A3 (en) 1992-01-15
KR940009271B1 (ko) 1994-10-06
EP0464745A2 (de) 1992-01-08

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee