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1. WO1996020903 - CHEMICAL VAPOR DEPOSITION OF MULLITE COATINGS AND POWDERS

Publication Number WO/1996/020903
Publication Date 11.07.1996
International Application No. PCT/US1996/000482
International Filing Date 05.01.1996
Chapter 2 Demand Filed 02.08.1996
IPC
C04B 35/185 2006.1
CCHEMISTRY; METALLURGY
04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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35Shaped ceramic products characterised by their composition; Ceramic compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
01based on oxides
16based on silicates other than clay
18rich in aluminium oxide
185Mullite
C04B 35/622 2006.1
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04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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35Shaped ceramic products characterised by their composition; Ceramic compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
622Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
C04B 35/626 2006.1
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35Shaped ceramic products characterised by their composition; Ceramic compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
622Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
626Preparing or treating the powders individually or as batches
C04B 41/45 2006.1
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04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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41After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
45Coating or impregnating
C04B 41/81 2006.1
CCHEMISTRY; METALLURGY
04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
BLIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
41After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
80of only ceramics
81Coating or impregnating
C23C 16/40 2006.1
CCHEMISTRY; METALLURGY
23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
16Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition (CVD) processes
22characterised by the deposition of inorganic material, other than metallic material
30Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
40Oxides
CPC
C04B 35/185
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BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE
35Shaped ceramic products characterised by their composition
01based on oxide ceramics
16based on silicates other than clay
18rich in aluminium oxide
185Mullite ; 3Al2O3-2SiO2
C04B 35/62222
CCHEMISTRY; METALLURGY
04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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35Shaped ceramic products characterised by their composition
622Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
62222obtaining ceramic coatings
C04B 35/626
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04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE
35Shaped ceramic products characterised by their composition
622Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
626Preparing or treating the powders individually or as batches
C04B 41/4531
CCHEMISTRY; METALLURGY
04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE
41After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
45Coating or impregnating
4505characterised by the method of application
4529applied from the gas phase
4531by C.V.D.
C04B 41/81
CCHEMISTRY; METALLURGY
04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE
41After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
80of only ceramics
81Coating or impregnation
C23C 16/401
CCHEMISTRY; METALLURGY
23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
16Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
22characterised by the deposition of inorganic material, other than metallic material
30Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
40Oxides
401containing silicon
Applicants
  • TRUSTEES OF BOSTON UNIVERSITY [US]/[US]
Inventors
  • SARIN, Vinod
  • MULPURI, Rao
Agents
  • LOBSENZ, Charles, B.
  • COUCHMAN, Jonathan, Hugh
Priority Data
08/368,81406.01.1995US
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) CHEMICAL VAPOR DEPOSITION OF MULLITE COATINGS AND POWDERS
(FR) DEPOT CHIMIQUE EN PHASE VAPEUR DE POUDRES ET DE REVETEMENTS DE MULLITE
Abstract
(EN) This invention is directed to the creation of mullite coatings and powders having uniform microstructure by chemical vapor deposition (CVD). The process comprises the steps of establishing a flow of reactants which will yield mullite in a CVD reactor, and depositing a coating or the powder from the reactant flow. The process will yield coatings which are dense and of uniform thickness.
(FR) L'invention se rapporte à la production, par dépôt chimique en phase vapeur (CVD), de poudres et de revêtements de mullite présentant une microstructure uniforme. Ce procédé consiste à créer un flux de réactifs produisant du mullite dans un réacteur CVD et à effectuer le dépôt d'un revêtement ou d'une poudre à partir du flux de réactifs. On obtiendra ainsi des revêtements denses et d'une épaisseur uniforme.
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