BR9910555A - Processos para produzir grãos abrasivos cerâmicos baseados em alfa alumina, e para produzir um artigo abrasivo - Google Patents

Processos para produzir grãos abrasivos cerâmicos baseados em alfa alumina, e para produzir um artigo abrasivo

Info

Publication number
BR9910555A
BR9910555A BR9910555-1A BR9910555A BR9910555A BR 9910555 A BR9910555 A BR 9910555A BR 9910555 A BR9910555 A BR 9910555A BR 9910555 A BR9910555 A BR 9910555A
Authority
BR
Brazil
Prior art keywords
producing
alpha alumina
abrasive
processes
grains based
Prior art date
Application number
BR9910555-1A
Other languages
English (en)
Inventor
William P Wood
Original Assignee
Minnesota Mining & Mfg
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 Minnesota Mining & Mfg filed Critical Minnesota Mining & Mfg
Publication of BR9910555A publication Critical patent/BR9910555A/pt

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
    • C01F7/021—After-treatment of oxides or hydroxides
    • C01F7/023—Grinding, deagglomeration or disintegration
    • 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

Landscapes

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

Abstract

"PROCESSOS PARA PRODUZIR GRãOS ABRASIVOS CERâMICOS BASEADOS EM ALFA ALUMINA, E PARA PRODUZIR UM ARTIGO ABRASIVO". Processo para produzir grão abrasivo baseado em alfa alumina, em que durante uma etapa de impregnação do processo as partículas precursoras cerâmicas baseadas em alfa alumina concoidalmente fraturam. O grão abrasivo pode ser incorporado dentro de produtos abrasivos tais como abrasivos revestidos, abrasivos unidos e abrasivos não-tecidos.
BR9910555-1A 1998-05-19 1999-03-31 Processos para produzir grãos abrasivos cerâmicos baseados em alfa alumina, e para produzir um artigo abrasivo BR9910555A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/081,365 US6053956A (en) 1998-05-19 1998-05-19 Method for making abrasive grain using impregnation and abrasive articles
PCT/US1999/007059 WO1999061389A1 (en) 1998-05-19 1999-03-31 Method for making abrasive grain using impregnation, and abrasive articles

Publications (1)

Publication Number Publication Date
BR9910555A true BR9910555A (pt) 2001-01-30

Family

ID=22163685

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9910555-1A BR9910555A (pt) 1998-05-19 1999-03-31 Processos para produzir grãos abrasivos cerâmicos baseados em alfa alumina, e para produzir um artigo abrasivo

Country Status (8)

Country Link
US (1) US6053956A (pt)
EP (1) EP1080052B9 (pt)
JP (1) JP2002516352A (pt)
AU (1) AU3373699A (pt)
BR (1) BR9910555A (pt)
CA (1) CA2333297A1 (pt)
DE (1) DE69903538T2 (pt)
WO (1) WO1999061389A1 (pt)

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Publication number Publication date
JP2002516352A (ja) 2002-06-04
EP1080052B9 (en) 2003-01-02
EP1080052A1 (en) 2001-03-07
US6053956A (en) 2000-04-25
WO1999061389A1 (en) 1999-12-02
DE69903538D1 (de) 2002-11-21
DE69903538T2 (de) 2003-06-26
EP1080052B1 (en) 2002-10-16
AU3373699A (en) 1999-12-13
CA2333297A1 (en) 1999-12-02

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