ZA924471B - A process for the preparation of a sintered alpha-aluminium oxide material,useful as an abrasive - Google Patents

A process for the preparation of a sintered alpha-aluminium oxide material,useful as an abrasive

Info

Publication number
ZA924471B
ZA924471B ZA924471A ZA924471A ZA924471B ZA 924471 B ZA924471 B ZA 924471B ZA 924471 A ZA924471 A ZA 924471A ZA 924471 A ZA924471 A ZA 924471A ZA 924471 B ZA924471 B ZA 924471B
Authority
ZA
South Africa
Prior art keywords
abrasive
useful
preparation
aluminium oxide
oxide material
Prior art date
Application number
ZA924471A
Other languages
English (en)
Inventor
Franciscus Van Dijen
Van Dijen Franciscus
Original Assignee
Lonza Ag
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=4219935&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ZA924471(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Lonza Ag filed Critical Lonza Ag
Publication of ZA924471B publication Critical patent/ZA924471B/xx

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
    • 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
    • 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
    • C04B35/1115—Minute sintered entities, e.g. sintered abrasive grains or shaped particles such as platelets
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K3/00—Materials not provided for elsewhere
    • C09K3/14—Anti-slip materials; Abrasives
    • C09K3/1409—Abrasive particles per se
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/60—Compounds characterised by their crystallite size

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Geology (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Powder Metallurgy (AREA)
  • Physical Vapour Deposition (AREA)
  • Crushing And Grinding (AREA)
ZA924471A 1991-06-21 1992-06-18 A process for the preparation of a sintered alpha-aluminium oxide material,useful as an abrasive ZA924471B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH184491 1991-06-21

Publications (1)

Publication Number Publication Date
ZA924471B true ZA924471B (en) 1993-03-31

Family

ID=4219935

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA924471A ZA924471B (en) 1991-06-21 1992-06-18 A process for the preparation of a sintered alpha-aluminium oxide material,useful as an abrasive

Country Status (17)

Country Link
US (1) US5236471A (fr)
EP (1) EP0524436B1 (fr)
JP (1) JPH05194026A (fr)
CN (1) CN1068092A (fr)
AT (1) ATE110353T1 (fr)
BR (1) BR9202236A (fr)
CA (1) CA2071593A1 (fr)
CZ (1) CZ188492A3 (fr)
DE (1) DE59200406D1 (fr)
ES (1) ES2060438T3 (fr)
HU (1) HUT61949A (fr)
MX (1) MX9202929A (fr)
NO (1) NO922439L (fr)
PL (1) PL294867A1 (fr)
RU (1) RU2076083C1 (fr)
TR (1) TR25916A (fr)
ZA (1) ZA924471B (fr)

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KR101504118B1 (ko) 2013-06-11 2015-03-19 (주)티피에스 고온 진공소결로를 이용한 고순도 고밀도 알루미나의 제조방법
US10562783B2 (en) 2015-10-20 2020-02-18 Fujimi Incorporated Processing of alumina
RU2625104C1 (ru) * 2016-06-09 2017-07-11 Федеральное государственное бюджетное учреждение науки Институт химии твердого тела и механохимии Сибирского отделения Российской академии наук (ИХТТМ СО РАН) Способ получения субмикронного порошка альфа-оксида алюминия
DE102018132842A1 (de) 2018-12-19 2020-06-25 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zum Abscheiden einer Aluminiumoxid-Schicht sowie ein Kunststoff- oder Glassubstrat mit einer darauf abgeschiedenen Aluminiumoxid-Schicht
CN110304906A (zh) * 2019-06-10 2019-10-08 青海万加环保新材料有限公司 一种氧化铝研磨球的制备方法
CN114988886B (zh) * 2022-06-01 2023-05-12 洛阳中超新材料股份有限公司 可低温烧结的高纯α-氧化铝粉的制备方法

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Also Published As

Publication number Publication date
NO922439D0 (no) 1992-06-19
HU9202063D0 (en) 1992-10-28
ATE110353T1 (de) 1994-09-15
ES2060438T3 (es) 1994-11-16
RU2076083C1 (ru) 1997-03-27
DE59200406D1 (de) 1994-09-29
BR9202236A (pt) 1993-02-02
NO922439L (no) 1992-12-22
CZ188492A3 (en) 1993-01-13
CN1068092A (zh) 1993-01-20
HUT61949A (en) 1993-03-29
EP0524436B1 (fr) 1994-08-24
TR25916A (tr) 1993-11-01
JPH05194026A (ja) 1993-08-03
PL294867A1 (en) 1993-03-22
EP0524436A1 (fr) 1993-01-27
MX9202929A (es) 1992-12-01
CA2071593A1 (fr) 1992-12-22
US5236471A (en) 1993-08-17

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