CH676593A5 - - Google Patents

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Publication number
CH676593A5
CH676593A5 CH4216/88A CH421688A CH676593A5 CH 676593 A5 CH676593 A5 CH 676593A5 CH 4216/88 A CH4216/88 A CH 4216/88A CH 421688 A CH421688 A CH 421688A CH 676593 A5 CH676593 A5 CH 676593A5
Authority
CH
Switzerland
Prior art keywords
oxide
aluminum
weight
aluminum oxide
content
Prior art date
Application number
CH4216/88A
Other languages
German (de)
English (en)
Inventor
Tibor Fazekas
Bela Lanyi
Istvan Sarkoezi
Laszlo Sztankovics
Original Assignee
Olajipari Foevallal Tervezoe
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 Olajipari Foevallal Tervezoe filed Critical Olajipari Foevallal Tervezoe
Publication of CH676593A5 publication Critical patent/CH676593A5/de

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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
    • 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
    • C01F7/442—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by calcination in presence of a calcination additive
    • 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
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/64—Burning or sintering processes
    • 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
    • C01P2006/80—Compositional purity

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
CH4216/88A 1987-03-05 1987-03-05 CH676593A5 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/HU1987/000008 WO1988006574A1 (en) 1987-03-05 1987-03-05 Process for the preparation of sintered alumina ceramics particularly for use in mineral oil mining

Publications (1)

Publication Number Publication Date
CH676593A5 true CH676593A5 (enrdf_load_stackoverflow) 1991-02-15

Family

ID=10980751

Family Applications (1)

Application Number Title Priority Date Filing Date
CH4216/88A CH676593A5 (enrdf_load_stackoverflow) 1987-03-05 1987-03-05

Country Status (6)

Country Link
JP (1) JPH01502425A (enrdf_load_stackoverflow)
CH (1) CH676593A5 (enrdf_load_stackoverflow)
DE (1) DE3790917T1 (enrdf_load_stackoverflow)
FR (1) FR2613355B3 (enrdf_load_stackoverflow)
GB (1) GB2208858B (enrdf_load_stackoverflow)
WO (1) WO1988006574A1 (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL213757A0 (en) * 2011-06-23 2011-07-31 Eitan Dafny Method of manufacturing alumina-based milling medium
RU2728911C1 (ru) * 2019-08-06 2020-08-03 Российская Федерация, От Имени Которой Выступает Министерство Промышленности И Торговли Российской Федерации Способ изготовления корундовой керамики
CN114315324A (zh) * 2020-10-09 2022-04-12 上海三思电子工程有限公司 一种led灯散热体及其制备方法和用途

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1571364B1 (de) * 1964-12-04 1972-02-03 Coors Porcelain Co Verfahren zur herstellung eines hochaluminiumoxydhaltigen keramikkörpers
JPS56140071A (en) * 1980-03-31 1981-11-02 Ngk Insulators Ltd Transparent red purple color alumina ceramics
JPS6048466B2 (ja) * 1980-05-15 1985-10-28 日本碍子株式会社 多結晶透明アルミナ焼結体の製造法

Also Published As

Publication number Publication date
WO1988006574A1 (en) 1988-09-07
GB2208858A (en) 1989-04-19
FR2613355B3 (fr) 1989-11-03
DE3790917T1 (de) 1989-03-23
JPH01502425A (ja) 1989-08-24
FR2613355A1 (fr) 1988-10-07
GB2208858B (en) 1991-08-14

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CH676593A5 (enrdf_load_stackoverflow)

Legal Events

Date Code Title Description
PL Patent ceased
PL Patent ceased