GB1081623A – Coated refractory bodies
– Google Patents
GB1081623A – Coated refractory bodies
– Google Patents
Coated refractory bodies
Info
Publication number
GB1081623A
GB1081623A
GB8521/65A
GB852165A
GB1081623A
GB 1081623 A
GB1081623 A
GB 1081623A
GB 8521/65 A
GB8521/65 A
GB 8521/65A
GB 852165 A
GB852165 A
GB 852165A
GB 1081623 A
GB1081623 A
GB 1081623A
Authority
GB
United Kingdom
Prior art keywords
oxide
getter
base composition
coating
al2o3
Prior art date
1964-03-06
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
GB8521/65A
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.)
Siemens Plania Werke AG
Original Assignee
Siemens Plania Werke AG
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.)
1964-03-06
Filing date
1965-02-26
Publication date
1967-08-31
1965-02-26
Application filed by Siemens Plania Werke AG
filed
Critical
Siemens Plania Werke AG
1967-08-31
Publication of GB1081623A
publication
Critical
patent/GB1081623A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
C—CHEMISTRY; METALLURGY
C23—COATING 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
C23C—COATING 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
C23C24/00—Coating starting from inorganic powder
C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
C—CHEMISTRY; METALLURGY
C03—GLASS; MINERAL OR SLAG WOOL
C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
C03C4/00—Compositions for glass with special properties
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
C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
C04B41/5025—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with ceramic materials
C04B41/5035—Silica
C—CHEMISTRY; METALLURGY
C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
C22C—ALLOYS
C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
C—CHEMISTRY; METALLURGY
C23—COATING 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
C23C—COATING 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
C23C24/00—Coating starting from inorganic powder
Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
Y10T428/00—Stock material or miscellaneous articles
Y10T428/30—Self-sustaining carbon mass or layer with impregnant or other layer
Abstract
A shaped refractory body has a coating comprising a base composition and a getter finely distributed throughout the base composition. The body is of Mo; refractory alloys of Mo with at least one of Ti, Zr, Hf, Th, V, Nb, Ta, Pa, Cr, Mo, W, or V; SiC; or C. The base composition is formed in weight per cent, from: SiO2, 70-85; alkaline earth oxide, 0.9-6; alkali oxide, 0.1-5; and Al2O3, 14-29. Up to 60% of the Al2O3 may be replaced by oxide(s) of Ti, Zr, Nb, Ta and/or Th. Instead of the alkali metal oxide and alkaline earth metal oxides there may be provided oxides of Be, Ca, Zr, and/or Nb. The oxide mixture may comprise kaolin, feldspar, mica, beryl, zircon, monazite, or bentonite, and 0.1-5% fluoride as flux. The getter consists of the silicide of at least one of Ti, Zr, Hf, Th, V, Nb, Ta, Cr, Mo, W, or V. Preferably 10-80% of the getter is used, with grain-size preferably <25m . The coating may be applied by (a) forming an aqueous suspension of the constituents to which organic bonding medium added, and applying immersion, spraying or brushing, firing at e.g. 1200-1650 DEG C. in inert reducing atmosphere; (b) components, pulverizing, flame-spraying on surface is 400-1000 If shaped body carbon, graphite, it first coated with SiC>Download PDF in English
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