JPS62128911A - 炭化コバルトを含有する粒子 - Google Patents

炭化コバルトを含有する粒子

Info

Publication number
JPS62128911A
JPS62128911A JP60268801A JP26880185A JPS62128911A JP S62128911 A JPS62128911 A JP S62128911A JP 60268801 A JP60268801 A JP 60268801A JP 26880185 A JP26880185 A JP 26880185A JP S62128911 A JPS62128911 A JP S62128911A
Authority
JP
Japan
Prior art keywords
particles
cobalt
cobalt carbide
average particle
hexagonal plate
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.)
Pending
Application number
JP60268801A
Other languages
English (en)
Japanese (ja)
Inventor
Katsushi Tokunaga
徳永　勝志
Hideki Aomi
秀樹 青海
Kazuo Okamura
和夫 岡村
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
Priority to JP60268801A priority Critical patent/JPS62128911A/ja
Priority to DE19863640647 priority patent/DE3640647A1/de
Publication of JPS62128911A publication Critical patent/JPS62128911A/ja
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/20—Carbon compounds
    • B01J27/22—Carbides
    • 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
    • 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
    • G11B5/70626—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 containing non-metallic substances
    • 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
    • G11B5/714—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 dimension of the magnetic particles
    • 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
    • H01F1/10—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 non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure
    • H01F1/11—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 non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure in the form of particles
    • 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
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
    • C01P2002/74—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by peak-intensities or a ratio thereof only
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/01—Particle morphology depicted by an image
    • C01P2004/03—Particle morphology depicted by an image obtained by SEM
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/20—Particle morphology extending in two dimensions, e.g. plate-like
    • C01P2004/22—Particle morphology extending in two dimensions, e.g. plate-like with a polygonal circumferential shape
    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/42—Magnetic properties

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Hard Magnetic Materials (AREA)
JP60268801A 1985-11-28 1985-11-28 炭化コバルトを含有する粒子 Pending JPS62128911A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP60268801A JPS62128911A (ja) 1985-11-28 1985-11-28 炭化コバルトを含有する粒子
DE19863640647 DE3640647A1 (de) 1985-11-28 1986-11-28 Kobaltcarbid enthaltende teilchen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60268801A JPS62128911A (ja) 1985-11-28 1985-11-28 炭化コバルトを含有する粒子

Publications (1)

Publication Number Publication Date
JPS62128911A true JPS62128911A (ja) 1987-06-11

Family

ID=17463454

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60268801A Pending JPS62128911A (ja) 1985-11-28 1985-11-28 炭化コバルトを含有する粒子

Country Status (2)

Country Link
JP (1) JPS62128911A (enExample)
DE (1) DE3640647A1 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6737035B1 (en) * 2000-08-31 2004-05-18 Osram Sylvania Inc. Heterogenite material for making submicron cobalt powders
JP2013504879A (ja) * 2009-09-10 2013-02-07 ノースイースタン ユニバーシティ 炭化コバルト系ナノ粒子永久磁石材料

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2904491A1 (de) * 1979-02-07 1980-08-21 Bayer Ag Plaettchenfoermige eisenoxidpigmente und verfahren zu deren herstellung sowie deren verwendung
DE3469820D1 (en) * 1983-04-25 1988-04-14 Daikin Ind Ltd Acicular particulate material containing iron carbide

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6737035B1 (en) * 2000-08-31 2004-05-18 Osram Sylvania Inc. Heterogenite material for making submicron cobalt powders
JP2013504879A (ja) * 2009-09-10 2013-02-07 ノースイースタン ユニバーシティ 炭化コバルト系ナノ粒子永久磁石材料

Also Published As

Publication number Publication date
DE3640647C2 (enExample) 1989-10-12
DE3640647A1 (de) 1987-06-19

Similar Documents

Publication Publication Date Title
EP0180162B1 (en) Process for producing acicular particles containing an iron carbide
JPH02167810A (ja) ε’炭化鉄からなる磁性超微粒子及びその製造法
Kaneko et al. The formation of the Cd-bearing ferrite by the air oxidation of an aqueous suspension.
US4360441A (en) Glass-encapsulated magnetic materials and methods for making them
US2689167A (en) Production of gamma ferric oxide
JPH0230626A (ja) 炭化鉄微粒子及びその製造法
JPH01100009A (ja) 炭化鉄微粒子及びその製造法
JPH0269904A (ja) 改質磁性金属粉末の製造法
JPS61111921A (ja) 炭化鉄を含有する針状粒子の製造法
JPH04202602A (ja) 金属磁性粉の製造法
KR890003869B1 (ko) 탄화철 함유입자와 그의 제법 및 이용
JPH01192713A (ja) 炭化鉄微粒子及びその製造方法
KR20020029888A (ko) 기상 환원반응에 의한 코발트 초미분체 제조방법
JPS6071509A (ja) 炭化鉄を含有する針状粒子
JPS59199533A (ja) 磁性粉末
US4469506A (en) Production process of ferromagnetic iron powder
US3486851A (en) Formation of ferromagnetic cro2 by decomposition of higher valent chromium oxides
JPS61117117A (ja) Ｍ▲下３▼ｏ▲下４▼粉末の製造方法
JPH0313511A (ja) 金属磁性粉の製造法
GB2050331A (en) Process for producing iron oxide
JPS5848611A (ja) 強磁性鉄粉体の製造方法
JPS64322B2 (enExample)
JPS60127212A (ja) 炭化鉄を含有する針状粒子の製法
JPH0317207A (ja) 強磁性粉末の製造方法
JPS5921922B2 (ja) 針状晶Ｆｅ−Ｃｏ−Ｚｎ合金磁性粒子粉末の製造法