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BR8605726A - Processo para preparacao de um po de alumina,po de alfa-alumina,po triturado,processo para producao de um corpo policristalino monolitico e substrato de alumina - Google Patents

Processo para preparacao de um po de alumina,po de alfa-alumina,po triturado,processo para producao de um corpo policristalino monolitico e substrato de alumina

Info

Publication number
BR8605726A
BR8605726A BR8605726A BR8605726A BR8605726A BR 8605726 A BR8605726 A BR 8605726A BR 8605726 A BR8605726 A BR 8605726A BR 8605726 A BR8605726 A BR 8605726A BR 8605726 A BR8605726 A BR 8605726A
Authority
BR
Brazil
Prior art keywords
alumina
polycystaline
monolithic
crushed
alpha
Prior art date
Application number
BR8605726A
Other languages
English (en)
Inventor
Ralph Bauer
Ronald W Trischuk
Arup W Khaund
Joseph Similia
Original Assignee
Norton Co
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 Norton Co filed Critical Norton Co
Publication of BR8605726A publication Critical patent/BR8605726A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
    • C04B35/111—Fine ceramics
    • 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
    • C01F7/44—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water
    • C01F7/441—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by calcination
    • 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
    • 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
    • C01P2006/14—Pore volume

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Compositions Of Oxide Ceramics (AREA)
BR8605726A 1985-11-21 1986-11-20 Processo para preparacao de um po de alumina,po de alfa-alumina,po triturado,processo para producao de um corpo policristalino monolitico e substrato de alumina BR8605726A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/800,494 US4657754A (en) 1985-11-21 1985-11-21 Aluminum oxide powders and process

Publications (1)

Publication Number Publication Date
BR8605726A true BR8605726A (pt) 1987-08-18

Family

ID=25178539

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8605726A BR8605726A (pt) 1985-11-21 1986-11-20 Processo para preparacao de um po de alumina,po de alfa-alumina,po triturado,processo para producao de um corpo policristalino monolitico e substrato de alumina

Country Status (9)

Country Link
US (1) US4657754A (pt)
EP (1) EP0224118B1 (pt)
JP (1) JPH07100608B2 (pt)
AU (1) AU591944B2 (pt)
BR (1) BR8605726A (pt)
CA (1) CA1250130A (pt)
DE (1) DE3688775T2 (pt)
ES (1) ES2043597T3 (pt)
ZA (1) ZA868550B (pt)

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US4555394A (en) * 1984-06-01 1985-11-26 Chiyoda Chemical Engineering & Construction Co., Ltd. Process for the preparation of alumina
JPH0617224B2 (ja) * 1985-03-04 1994-03-09 工業技術院長 易焼結性アルミナ粉体の製造法

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ES2043597T3 (es) 1994-01-01
EP0224118B1 (en) 1993-07-28
DE3688775T2 (de) 1993-12-23
ZA868550B (en) 1987-07-29
AU591944B2 (en) 1989-12-21
US4657754A (en) 1987-04-14
JPS62128918A (ja) 1987-06-11
JPH07100608B2 (ja) 1995-11-01
EP0224118A1 (en) 1987-06-03
CA1250130A (en) 1989-02-21
DE3688775D1 (de) 1993-09-02
AU6535786A (en) 1987-05-28

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