ES2043597T3 - Metodo para preparar polvos de alumina para fabricar cuerpos policristalinos. - Google Patents

Metodo para preparar polvos de alumina para fabricar cuerpos policristalinos.

Info

Publication number
ES2043597T3
ES2043597T3 ES86115634T ES86115634T ES2043597T3 ES 2043597 T3 ES2043597 T3 ES 2043597T3 ES 86115634 T ES86115634 T ES 86115634T ES 86115634 T ES86115634 T ES 86115634T ES 2043597 T3 ES2043597 T3 ES 2043597T3
Authority
ES
Spain
Prior art keywords
alumina powders
preparing alumina
polycrystalline bodies
manufacture polycrystalline
pressing
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
ES86115634T
Other languages
English (en)
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
Application granted granted Critical
Publication of ES2043597T3 publication Critical patent/ES2043597T3/es
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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Abstract

CONSISTE EN SU PRODUCCION MEDIANTE EL SEMBRADO DE UNA ALUMINA NO - ALFA CON PARTICULAS SUBMICRONICAS DE ALUMINA ALFA, ENCENDIENDO, ENLAZANDO Y MOLIENDO EL PRODUCTO QUEMADO EN FINOS POLVOS; DONDE EL POLVO ASI OBTENIDO PUEDE SER FORMADO POR TECNICAS CONVENCIONALES TALES COMO PRENSADO, GRANULADO, FUNDIDO, PRENSADO EN CINTA Y SINTETIZADO PARA PRODUCIR EL PRODUCTO DESEADO.
ES86115634T 1985-11-21 1986-11-11 Metodo para preparar polvos de alumina para fabricar cuerpos policristalinos. Expired - Lifetime ES2043597T3 (es)

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
ES2043597T3 true ES2043597T3 (es) 1994-01-01

Family

ID=25178539

Family Applications (1)

Application Number Title Priority Date Filing Date
ES86115634T Expired - Lifetime ES2043597T3 (es) 1985-11-21 1986-11-11 Metodo para preparar polvos de alumina para fabricar cuerpos policristalinos.

Country Status (9)

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

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US4797269A (en) * 1988-02-08 1989-01-10 Norton Company Production of beta alumina by seeding and beta alumina produced thereby
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
JPH06104816B2 (ja) * 1990-02-09 1994-12-21 日本研磨材工業株式会社 焼結アルミナ砥粒及びその製造方法
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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
US5114802A (en) * 1990-09-05 1992-05-19 Alcan International Limited Caustic-based metal battery with seeded recirculating electrolyte
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Also Published As

Publication number Publication date
EP0224118B1 (en) 1993-07-28
CA1250130A (en) 1989-02-21
US4657754A (en) 1987-04-14
EP0224118A1 (en) 1987-06-03
BR8605726A (pt) 1987-08-18
AU6535786A (en) 1987-05-28
JPH07100608B2 (ja) 1995-11-01
JPS62128918A (ja) 1987-06-11
DE3688775T2 (de) 1993-12-23
DE3688775D1 (de) 1993-09-02
ZA868550B (en) 1987-07-29
AU591944B2 (en) 1989-12-21

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