CO6210695A2 - Abrasivos unidos a alta temperatura de alfa alumina de tamaño submicrometrico - Google Patents

Abrasivos unidos a alta temperatura de alfa alumina de tamaño submicrometrico

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Publication number
CO6210695A2
CO6210695A2 CO09064246A CO09064246A CO6210695A2 CO 6210695 A2 CO6210695 A2 CO 6210695A2 CO 09064246 A CO09064246 A CO 09064246A CO 09064246 A CO09064246 A CO 09064246A CO 6210695 A2 CO6210695 A2 CO 6210695A2
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CO
Colombia
Prior art keywords
alumina
high temperature
fixing agent
abrasive
granules
Prior art date
Application number
CO09064246A
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English (en)
Inventor
Ralph Bauer
Margaret Skowron
Original Assignee
Saint Globain Ceramic & Plasti
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Filing date
Publication date
Application filed by Saint Globain Ceramic & Plasti filed Critical Saint Globain Ceramic & Plasti
Publication of CO6210695A2 publication Critical patent/CO6210695A2/es

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
    • B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
    • B24D3/04—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic
    • B24D3/14—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic ceramic, i.e. vitrified bondings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D18/00—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
    • B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
    • B24D3/04—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic
    • B24D3/14—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic ceramic, i.e. vitrified bondings
    • B24D3/16—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic ceramic, i.e. vitrified bondings for close-grained structure, i.e. of high density
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
    • B24D3/34—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
    • B24D3/34—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties
    • B24D3/342—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties incorporated in the bonding agent
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    • 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
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    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
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    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
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    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
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  • Inorganic Chemistry (AREA)
  • Composite Materials (AREA)
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  • Compositions Of Oxide Ceramics (AREA)
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Abstract

1.- Abrasivo unido a alta temperatura, que comprende: gránulos abrasivos de alúmina; y una matriz de unión vítrea en la que se distribuyen los gránulos abrasivos de alúmina, teniendo la matriz de unión vítrea una temperatura de curado no inferior a 1000°C, en el que los gránulos abrasivos de alúmina comprenden alfaalúmina policristalina que tiene una microestructura cristalina fina caracterizada por un tamaño de dominio promedio de alfa-alúmina no superior a 500 nm, y en el que los gránulos abrasivos de alúmina comprenden además un agente de fijación, comprendiendo el agente de fijación una fase dispersa en la alfa-alúmina policristalina. 2.- Abrasivo unido a alta temperatura según la reivindicación 1, en el que el agente de fijación es un óxido de al menos un elemento del grupo que consiste en silicio, boro, titanio, circonio, tierra rara, productos de reacción de los mismos con la alfa-alúmina policristalina y combinaciones de los mismos. 3.- Abrasivo unido a alta temperatura según la reivindicación 2, en el que el agente de fijación comprende óxido de circonio. 4.- Abrasivo unido a alta temperatura según la reivindicación 1, en el que el agente de fijación está presente en los gránulos abrasivos de alúmina en una cantidad no inferior a aproximadamente el 0,1% en peso. 5.- Abrasivo unido a alta temperatura según la reivindicación 4, en el que el agente de fijación está presente en los gránulos abrasivos de alúmina dentro de un intervalo de aproximadamente el 0,1 a aproximadamente el 20% en peso. 6.- Abrasivo unido a alta temperatura según la reivindicación 1, en el que el agente de fijación tiene un tamaño de material particulado promedio no superior a aproximadamente 1 micra. 7.- Abrasivo unido a alta temperatura según la reivindicación 1, en el que los gránulos abrasivos de alúmina tienen un tamaño de dominio cristalino promedio no superior a 400 nm. 8.- Abrasivo unido a alta temperatura según la reivindicación 7, en el que los dominios de la alfa-alúmina policristalina son monocristalinos y tienen un tamaño de dominio cristalino promedio no superior a 200 nm.
CO09064246A 2006-12-19 2009-06-19 Abrasivos unidos a alta temperatura de alfa alumina de tamaño submicrometrico CO6210695A2 (es)

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US (3) US8932378B2 (es)
EP (1) EP2094443B1 (es)
JP (1) JP5231446B2 (es)
KR (1) KR101132159B1 (es)
CN (1) CN101594966B (es)
AU (1) AU2007337145B2 (es)
BR (1) BRPI0720401B1 (es)
CA (1) CA2672139C (es)
CO (1) CO6210695A2 (es)
ES (1) ES2452324T3 (es)
HK (1) HK1139102A1 (es)
IL (2) IL199408A (es)
MX (1) MX2009006591A (es)
NZ (1) NZ577441A (es)
PL (1) PL2094443T3 (es)
PT (1) PT2094443E (es)
RU (1) RU2415006C1 (es)
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UA (1) UA92690C2 (es)
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US8617273B2 (en) 2009-10-08 2013-12-31 Saint-Gobain Abrasives, Inc. Bonded abrasive article and method of forming
CA2781144C (en) 2009-12-02 2014-11-25 Saint-Gobain Abrasives, Inc. Bonded abrasive article and method of forming
KR20120101077A (ko) 2009-12-02 2012-09-12 생-고벵 아브라시프 결합된 연마 물품 및 생성 방법
EP2616219A4 (en) * 2010-09-15 2015-05-27 Saint Gobain Abrasives Inc IMPRESENTED FRICTION BRUSH
EP2636655B1 (en) * 2010-11-01 2016-07-20 Showa Denko K.K. Alumina sintered body, abrasive grains, and grindstone
TWI470069B (zh) * 2011-03-31 2015-01-21 Saint Gobain Abrasives Inc 用於高速磨削操作之磨料物品
TWI471196B (zh) 2011-03-31 2015-02-01 Saint Gobain Abrasives Inc 用於高速磨削操作之磨料物品
WO2013049239A1 (en) 2011-09-26 2013-04-04 Saint-Gobain Ceramics & Plastics, Inc. Abrasive articles including abrasive particulate materials, coated abrasives using the abrasive particulate materials and methods of forming
CN106062122B (zh) 2014-02-27 2018-12-07 3M创新有限公司 磨料颗粒、磨料制品及其制备和使用方法
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