FR2319580A1 - Preparation de particules de corindon - Google Patents

Preparation de particules de corindon

Info

Publication number
FR2319580A1
FR2319580A1 FR7620704A FR7620704A FR2319580A1 FR 2319580 A1 FR2319580 A1 FR 2319580A1 FR 7620704 A FR7620704 A FR 7620704A FR 7620704 A FR7620704 A FR 7620704A FR 2319580 A1 FR2319580 A1 FR 2319580A1
Authority
FR
France
Prior art keywords
preparation
corundum particles
corundum
particles
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.)
Granted
Application number
FR7620704A
Other languages
English (en)
French (fr)
Other versions
FR2319580B3 (enrdf_load_stackoverflow
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.)
Resonac Holdings Corp
Original Assignee
Showa Denko KK
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 Showa Denko KK filed Critical Showa Denko KK
Publication of FR2319580A1 publication Critical patent/FR2319580A1/fr
Application granted granted Critical
Publication of FR2319580B3 publication Critical patent/FR2319580B3/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/0036—Crystallisation on to a bed of product crystals; Seeding
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/10—Inorganic compounds or compositions
    • C30B29/16—Oxides
    • C30B29/20—Aluminium oxides
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B9/00—Single-crystal growth from melt solutions using molten solvents
    • 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
    • C01P2004/51—Particles with a specific particle size distribution
    • 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
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/10—Solid density
    • 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
    • C01P2006/12—Surface area

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
FR7620704A 1975-07-28 1976-07-07 Preparation de particules de corindon Granted FR2319580A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50091042A JPS5215498A (en) 1975-07-28 1975-07-28 Process for production of granular corrundum

Publications (2)

Publication Number Publication Date
FR2319580A1 true FR2319580A1 (fr) 1977-02-25
FR2319580B3 FR2319580B3 (enrdf_load_stackoverflow) 1981-12-18

Family

ID=14015436

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7620704A Granted FR2319580A1 (fr) 1975-07-28 1976-07-07 Preparation de particules de corindon

Country Status (5)

Country Link
JP (1) JPS5215498A (enrdf_load_stackoverflow)
DE (1) DE2633045C3 (enrdf_load_stackoverflow)
FR (1) FR2319580A1 (enrdf_load_stackoverflow)
GB (1) GB1552943A (enrdf_load_stackoverflow)
NL (1) NL7608344A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2652075A1 (fr) * 1989-09-21 1991-03-22 Atochem Macrocristaux d'alumine alpha sous forme de plaquettes et procede d'obtention.
RU2171225C1 (ru) * 2000-04-06 2001-07-27 Общество с ограниченной ответственностью "Торговый дом "Абразивные заводы Урала" Способ получения нормального электрокорунда
RU2205152C1 (ru) * 2002-05-07 2003-05-27 Богдановичское ОАО по производству огнеупорных материалов Способ получения плавленых огнеупорных материалов на основе глинозема
RU2208583C1 (ru) * 2002-04-29 2003-07-20 Общество с ограниченной ответственностью "Торговый дом "Абразивные заводы Урала" Способ получения нормального электрокорунда

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62248184A (ja) * 1987-03-26 1987-10-29 Sony Corp テ−プカセツト
JPH0791468B2 (ja) * 1991-04-26 1995-10-04 信越化学工業株式会社 熱伝導性シリコーンゴム組成物
CA2137248A1 (en) * 1992-06-02 1993-12-09 Masahide Mohri .alpha.-alumina
JP2002348115A (ja) * 2001-05-30 2002-12-04 Showa Denko Kk アルミナ粒子及びその製造方法
JP4920141B2 (ja) * 2001-05-30 2012-04-18 昭和電工株式会社 アルミナ粒子及びその製造方法

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2652075A1 (fr) * 1989-09-21 1991-03-22 Atochem Macrocristaux d'alumine alpha sous forme de plaquettes et procede d'obtention.
EP0425325A1 (fr) * 1989-09-21 1991-05-02 Elf Atochem S.A. Macrocristaux d'alumine alpha sous forme de plaquettes et procédé d'obtention
RU2171225C1 (ru) * 2000-04-06 2001-07-27 Общество с ограниченной ответственностью "Торговый дом "Абразивные заводы Урала" Способ получения нормального электрокорунда
RU2208583C1 (ru) * 2002-04-29 2003-07-20 Общество с ограниченной ответственностью "Торговый дом "Абразивные заводы Урала" Способ получения нормального электрокорунда
RU2205152C1 (ru) * 2002-05-07 2003-05-27 Богдановичское ОАО по производству огнеупорных материалов Способ получения плавленых огнеупорных материалов на основе глинозема

Also Published As

Publication number Publication date
GB1552943A (en) 1979-09-19
DE2633045A1 (de) 1977-02-17
DE2633045C3 (de) 1982-04-08
JPS5215498A (en) 1977-02-05
DE2633045B2 (de) 1980-12-18
FR2319580B3 (enrdf_load_stackoverflow) 1981-12-18
JPS5722886B2 (enrdf_load_stackoverflow) 1982-05-15
NL7608344A (nl) 1977-02-01

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