DE3688775D1 - Verfahren zur herstellung von tonerdepulvern zur erzeugung polykristalliner koerper. - Google Patents

Verfahren zur herstellung von tonerdepulvern zur erzeugung polykristalliner koerper.

Info

Publication number
DE3688775D1
DE3688775D1 DE8686115634T DE3688775T DE3688775D1 DE 3688775 D1 DE3688775 D1 DE 3688775D1 DE 8686115634 T DE8686115634 T DE 8686115634T DE 3688775 T DE3688775 T DE 3688775T DE 3688775 D1 DE3688775 D1 DE 3688775D1
Authority
DE
Germany
Prior art keywords
producing
clay powders
polycrystalline bodies
bodies
powders
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.)
Expired - Lifetime
Application number
DE8686115634T
Other languages
English (en)
Other versions
DE3688775T2 (de
Inventor
Ralph Bauer
Ronald W Trischuk
Arup K Khaund
Joseph Similia
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.)
Saint Gobain Abrasives Inc
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 DE3688775D1 publication Critical patent/DE3688775D1/de
Application granted granted Critical
Publication of DE3688775T2 publication Critical patent/DE3688775T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
DE86115634T 1985-11-21 1986-11-11 Verfahren zur Herstellung von Tonerdepulvern zur Erzeugung polykristalliner Körper. Expired - Lifetime DE3688775T2 (de)

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 (2)

Publication Number Publication Date
DE3688775D1 true DE3688775D1 (de) 1993-09-02
DE3688775T2 DE3688775T2 (de) 1993-12-23

Family

ID=25178539

Family Applications (1)

Application Number Title Priority Date Filing Date
DE86115634T Expired - Lifetime DE3688775T2 (de) 1985-11-21 1986-11-11 Verfahren zur Herstellung von Tonerdepulvern zur Erzeugung polykristalliner Körper.

Country Status (9)

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

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US4882014A (en) * 1988-02-24 1989-11-21 Union Oil Company Of California Electrochemical synthesis of ceramic films and powders
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US4964883A (en) * 1988-12-12 1990-10-23 Minnesota Mining And Manufacturing Company Ceramic alumina abrasive grains seeded with iron oxide
US4919829A (en) * 1988-12-30 1990-04-24 The United States Of America As Represented By The Secretary Of Commerce Aluminum hydroxides as solid lubricants
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US5139978A (en) * 1990-07-16 1992-08-18 Minnesota Mining And Manufacturing Company Impregnation method for transformation of transition alumina to a alpha alumina
US5219806A (en) * 1990-07-16 1993-06-15 Minnesota Mining And Manufacturing Company Alpha phase seeding of transition alumina using chromium oxide-based nucleating agents
US5114802A (en) * 1990-09-05 1992-05-19 Alcan International Limited Caustic-based metal battery with seeded recirculating electrolyte
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AU650382B2 (en) * 1992-02-05 1994-06-16 Norton Company Nano-sized alpha alumina particles
DE4302795C1 (de) * 1993-02-02 1994-08-25 Hoechst Ceram Tec Ag Verfahren zur Herstellung eines dichtgesinterten, plattenförmigen keramischen Formteils aus Aluminiumoxid mit verbesserter Temperaturwechselbeständigkeit, Formteil sowie seine Verwendung
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HU215748B (hu) * 1993-07-27 1999-02-01 Sumitomo Chemical Co. Alumínium-oxid kompozíció, öntött alumínium-oxid termék, alumínium-oxid kerámia, eljárás a kerámia előállítására és alumínium-oxid részecskék alkalmazása oxidkerámiákhoz
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Also Published As

Publication number Publication date
US4657754A (en) 1987-04-14
AU591944B2 (en) 1989-12-21
ZA868550B (en) 1987-07-29
AU6535786A (en) 1987-05-28
CA1250130A (en) 1989-02-21
EP0224118A1 (de) 1987-06-03
DE3688775T2 (de) 1993-12-23
BR8605726A (pt) 1987-08-18
JPS62128918A (ja) 1987-06-11
ES2043597T3 (es) 1994-01-01
EP0224118B1 (de) 1993-07-28
JPH07100608B2 (ja) 1995-11-01

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