ES8604077A1 - Un metodo para producir piezas moldeadas de alfa-alumina po-licristalina - Google Patents

Un metodo para producir piezas moldeadas de alfa-alumina po-licristalina

Info

Publication number
ES8604077A1
ES8604077A1 ES544124A ES544124A ES8604077A1 ES 8604077 A1 ES8604077 A1 ES 8604077A1 ES 544124 A ES544124 A ES 544124A ES 544124 A ES544124 A ES 544124A ES 8604077 A1 ES8604077 A1 ES 8604077A1
Authority
ES
Spain
Prior art keywords
producing alumina
alumina bodies
bodies
seeding
dense
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
Application number
ES544124A
Other languages
English (en)
Other versions
ES544124A0 (es
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 ES8604077A1 publication Critical patent/ES8604077A1/es
Publication of ES544124A0 publication Critical patent/ES544124A0/es
Expired legal-status Critical Current

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
    • 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
    • C09K3/1418—Abrasive particles per se obtained by division of a mass agglomerated by sintering
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Powder Metallurgy (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Inorganic Fibers (AREA)
  • Catalysts (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

PROCEDIMIENTO PARA PRODUCIR PIEZAS MOLDEADAS DE ALFA-ALUMINA POLICRISTALINA. COMPRENDE: A) MEZCLAR POLVOS DISPERSABLES DE HIDRATO DE ALUMINA, TRATADO HIDROTERMICAMENTE, AGUA, UNA SEMILLA DE ALFA-ALUMINA DE TAMAÑO INFERIOR A UNA MICRA EN UNA PROPORCION NO MAYOR DEL 5% EN PESO DE LOS SOLIDOS DE LA MATERIA PRIMA, Y CON UN ACIDO, NITRICO O FORMICO; B) SOMETER A UNA PRESION DE 14 A 21 KG/CM, A LA MEZCLA DE A), POR EL PROCEDIMIENTO DE EXTRUSION; Y C) COCER EL CUERPO RESULTANTE, CUYA DUREZA ES MAYOR DE 16 GPA, SU DENSIDAD ES EL 97% DE LA TEORICA Y, SU POROSIDAD MENOR DEL 10%. SE UTILIZA EN LA FABRICACION DE LOS ARTICULOS CERAMICOS DE OXIDO DE ALUMINIO DE SOL-GEL Y EN LA DE LOS GRANOS ABRASIVOS ALUMINOSOS PARA ESMERILADO.
ES544124A 1984-06-14 1985-06-13 Un metodo para producir piezas moldeadas de alfa-alumina po-licristalina Expired ES8604077A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US62065484A 1984-06-14 1984-06-14

Publications (2)

Publication Number Publication Date
ES8604077A1 true ES8604077A1 (es) 1986-01-16
ES544124A0 ES544124A0 (es) 1986-01-16

Family

ID=24486801

Family Applications (1)

Application Number Title Priority Date Filing Date
ES544124A Expired ES8604077A1 (es) 1984-06-14 1985-06-13 Un metodo para producir piezas moldeadas de alfa-alumina po-licristalina

Country Status (13)

Country Link
EP (1) EP0168606B1 (es)
JP (1) JPS6110026A (es)
KR (1) KR890002548B1 (es)
AT (1) ATE82237T1 (es)
AU (1) AU552038B2 (es)
BR (1) BR8502750A (es)
CA (1) CA1261596A (es)
DE (1) DE3586807T2 (es)
DK (1) DK172348B1 (es)
ES (1) ES8604077A1 (es)
IN (1) IN164183B (es)
MX (1) MX171026B (es)
ZA (1) ZA854133B (es)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5383945A (en) * 1984-01-19 1995-01-24 Norton Company Abrasive material and method
NZ210805A (en) * 1984-01-19 1988-04-29 Norton Co Aluminous abrasive grits or shaped bodies
JPS6126554A (ja) * 1984-07-18 1986-02-05 川崎製鉄株式会社 セラミツク焼結体の製造方法
US5204300A (en) * 1984-07-18 1993-04-20 Kawasaki Steel Corporation Methods of seeding sintered objects
CA1254238A (en) * 1985-04-30 1989-05-16 Alvin P. Gerk Process for durable sol-gel produced alumina-based ceramics, abrasive grain and abrasive products
FI79830C (fi) * 1985-07-15 1990-03-12 Norddeutsche Schleifmittel Ind Foerfarande foer framstaellning av keramiskt polykristallint slipmaterial.
AT389882B (de) * 1986-06-03 1990-02-12 Treibacher Chemische Werke Ag Verfahren zur herstellung eines mikrokristallinen schleifmaterials
US4847064A (en) * 1987-12-23 1989-07-11 Aluminum Company Of America Economical process for alpha alumina production
US5225229A (en) * 1986-07-18 1993-07-06 Aluminum Company Of America Aluminum hydroxide production
KR910009894B1 (ko) * 1987-03-26 1991-12-03 도도 기끼 가부시끼가이샤 세라믹스 제품 및 그 제조방법
JPS6433055A (en) * 1987-07-27 1989-02-02 Sumitomo Cement Co Sintered body of alumina having high strength and its production
US5244477A (en) * 1989-04-28 1993-09-14 Norton Company Sintered sol gel alumina abrasive filaments
US5009676A (en) * 1989-04-28 1991-04-23 Norton Company Sintered sol gel alumina abrasive filaments
US5090968A (en) * 1991-01-08 1992-02-25 Norton Company Process for the manufacture of filamentary abrasive particles
DE4109264A1 (de) * 1991-03-21 1992-09-24 Schepers Bernhard H Dr Verfahren zum herstellen von aluminiumoxid zum schleifen und/oder polieren aus aluminiumhydroxid
US5178849A (en) * 1991-03-22 1993-01-12 Norton Company Process for manufacturing alpha alumina from dispersible boehmite
DE4113476A1 (de) * 1991-04-25 1992-10-29 Huels Chemische Werke Ag Polykristalline, gesinterte schleifkoerner auf basis von alpha-al(pfeil abwaerts)2(pfeil abwaerts)o(pfeil abwaerts)3(pfeil abwaerts), verfahren zu ihrer herstellung und deren verwendung
US5641469A (en) * 1991-05-28 1997-06-24 Norton Company Production of alpha alumina
US5304331A (en) * 1992-07-23 1994-04-19 Minnesota Mining And Manufacturing Company Method and apparatus for extruding bingham plastic-type materials
DE19503854C2 (de) * 1995-02-06 1997-02-20 Starck H C Gmbh Co Kg Verfahren zur Herstellung gesinterter alpha-Al¶2¶O¶3¶-Körper sowie deren Verwendung
US5728184A (en) * 1996-06-26 1998-03-17 Minnesota Mining And Manufacturing Company Method for making ceramic materials from boehmite
DE19629690C2 (de) * 1996-07-23 1999-08-05 Korund Laufenburg Gmbh Verfahren zur Herstellung gesinterter alpha-AL¶2¶0¶3¶-Körper sowie deren Verwendung
CN101043919B (zh) 2004-09-06 2010-12-15 古河科技材料株式会社 表面活性剂类组合物

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3108888A (en) * 1960-08-04 1963-10-29 Du Pont Colloidal, anisodiametric transition aluminas and processes for making them
GB1175887A (en) * 1967-05-31 1970-01-01 Gen Electric & English Elect Improvements in or relating to the Manufacture of Articles of High Density Polycrystalline Refractory Oxide Material
BR7902063A (pt) * 1979-04-04 1980-10-21 Colorobbia Brasileira Prod Par Processo de obtencao de pecas moldadas ou conformadas,com alto teor de oxido de aluminio cristalino resistentes a corrosao,a abrasao e desgaste por solicitacao mecanicas e temperaturas aumentadas
US4314827A (en) * 1979-06-29 1982-02-09 Minnesota Mining And Manufacturing Company Non-fused aluminum oxide-based abrasive mineral
US4379134A (en) * 1981-02-13 1983-04-05 Union Carbide Corporation Process of preparing high purity alumina bodies
JPS5983932A (ja) * 1982-09-23 1984-05-15 ステンカ−・コ−ポレ−シヨン 高純度アルミナ粒子の製造法

Also Published As

Publication number Publication date
ZA854133B (en) 1986-05-28
EP0168606A3 (en) 1987-09-23
KR890002548B1 (ko) 1989-07-18
DE3586807T2 (de) 1993-06-03
IN164183B (es) 1989-01-28
EP0168606B1 (en) 1992-11-11
DK248185A (da) 1985-12-15
ES544124A0 (es) 1986-01-16
JPS6110026A (ja) 1986-01-17
AU552038B2 (en) 1986-05-22
AU4323885A (en) 1986-01-02
EP0168606A2 (en) 1986-01-22
ATE82237T1 (de) 1992-11-15
JPH0566325B2 (es) 1993-09-21
DK172348B1 (da) 1998-04-06
KR860000218A (ko) 1986-01-27
CA1261596A (en) 1989-09-26
DE3586807D1 (de) 1992-12-17
BR8502750A (pt) 1986-02-12
DK248185D0 (da) 1985-06-03
MX171026B (es) 1993-09-24

Similar Documents

Publication Publication Date Title
ES8604077A1 (es) Un metodo para producir piezas moldeadas de alfa-alumina po-licristalina
EP0381761A4 (en) Fine flaky graphite particles and process for their production
IL87062A (en) Extrusion die for protrusion and/or high cell density ceramic honeycomb structures
EP0143633A3 (en) Non-expansive, rapid setting cement
AU6299786A (en) Calcium-phosphate type hydroxyapatite and process for producing same
AU7247087A (en) Injection with screw feed and subsequently gas pressure
AU7652687A (en) Method and blank for the manufacture of high efficiency open volumed packing bodies
AU7895587A (en) Catalytic solid which can be used for the stereospecific polymerization of alpha-olefins, process for the preparation thereof and process for the polymerization of alpha-olefins in the presence thereof
DE3571967D1 (en) Process for coating carbon and graphite bodies
DE3266191D1 (en) Slaked lime, process for its production, and its use
AU4233685A (en) Antacid composition
GB8704819D0 (en) Uniform ionization of high pressure gaseous media
AU6859387A (en) Process for producing of crude coal-tar pitch having improved properties and use of same
JPS6435819A (en) Manufacture of superconducting membrane
AU612982B2 (en) Skinless porous particle pvc resin and process for producing same
DE3264097D1 (en) Process for producing exfoliated graphite particles
ES8700652A1 (es) Un metodo de preparar n-4-(3-aminopropil)-aminobutil-2,2-di-hidroxietanoamida
AU4081285A (en) Discharging solids from process gases subjected to pressure
GB2155950B (en) Erw-oil well pipe and process for producing same
GB2158088B (en) Process and apparatus for the production of calcined coke
EP0200973A3 (en) Fine cellulose particles and process for production thereof
DE3662191D1 (en) Partial esthers of 2-benzylalkanols-(1) and 2-benzylalkanol-1-polyglycol ethers as well as production process thereof
AU7746381A (en) Production of calcium carbide and carbon monoxide
DE3560786D1 (en) Palladium-iron mixed clusters used as catalyst and method for their production
RO103039A2 (ro) Procedeu pentru obtinerea unor brichete cu densitate ridicata din pulbere de alumina

Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20051017