GB1081623A

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

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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 an organic bonding medium may be added, and applying by immersion, spraying or brushing, and firing at e.g. 1200-1650 DEG C. in an inert or reducing atmosphere; or (b) firing the components, pulverizing, and flame-spraying on to the surface which is at 400-1000 DEG C. If the shaped body is of carbon, e.g. graphite, it may first be coated with SiC and/or a silicide and/or carbide of one or more Group IV, V, or VI transition metals by direct deposition. An intermediate layer, comprising 90-99% getter and 10-1% base composition, may be interposed between the body and the coating. The bodies may be used: for nuclear fuel envelopes, in which case the coatings should posses low neutron absorption cross-sections, as crucibles; as rocket nose-cones; as heating elements; or electrodes for glass melts. GB8521/65A 1964-03-06 1965-02-26 Coated refractory bodies Expired GB1081623A (en) Applications Claiming Priority (1) Application Number Priority Date Filing Date Title DE1964S0089888 DE1496660B1 (en) 1964-03-06 1964-03-06 Highly heat-resistant molded body with a scale-resistant coating and process for its production Publications (1) Publication Number Publication Date GB1081623A true GB1081623A (en) 1967-08-31 Family ID=7515411 Family Applications (1) Application Number Title Priority Date Filing Date GB8521/65A Expired GB1081623A (en) 1964-03-06 1965-02-26 Coated refractory bodies Country Status (6) Country Link US (1) US3390013A (en) CH (1) CH478066A (en) DE (1) DE1496660B1 (en) FR (1) FR1428311A (en) GB (1) GB1081623A (en) SE (1) SE317859B (en) Families Citing this family (11) * Cited by examiner, † Cited by third party Publication number Priority date Publication date Assignee Title DE1266201B (en) * 1966-01-11 1968-04-11 Sigri Elektrographit Gmbh Carbon or graphite bodies with an antioxidant protective layer applied to them, as well as processes for their production FR1526317A (en) * 1967-04-14 1968-05-24 Lorraine Carbone Improvement in the impregnation of a carbon-based material by molten metals CH541990A (en) * 1971-11-16 1973-09-30 Alusuisse Process for the production of an environmentally neutral anode US3931447A (en) * 1973-05-04 1976-01-06 The United States Of America As Represented By The United States National Aeronautics And Space Administration Fused silicide coatings containing discrete particles for protecting niobium alloys FR2382509A1 (en) * 1976-12-21 1978-09-29 Eutectic Corp APPLICATION BY FLAME OF A METAL COATING ON A CYLINDRICAL SHAPED ORGAN, IN PARTICULAR DRYER ROLLER DE3628363A1 (en) * 1986-08-21 1988-02-25 Mtu Muenchen Gmbh PROCESS FOR PRODUCING PROTECTIVE LAYERS DE4445377A1 (en) * 1994-12-20 1996-06-27 Cesiwid Elektrowaerme Gmbh Abrasion-resistant oxidation protection layer for SiC bodies US7005191B2 (en) * 2003-05-01 2006-02-28 Wisconsin Alumni Research Foundation Oxidation resistant coatings for ultra high temperature transition metals and transition metal alloys US7575039B2 (en) * 2003-10-15 2009-08-18 United Technologies Corporation Refractory metal core coatings US20150128849A1 (en) * 2012-04-17 2015-05-14 Plansee Se Crucible for the manufacture of oxide ceramic single crystals US9457405B2 (en) * 2012-05-29 2016-10-04 H.C. Starck, Inc. Metallic crucibles and methods of forming the same Family Cites Families (7) * Cited by examiner, † Cited by third party Publication number Priority date Publication date Assignee Title DE646923C (en) * 1933-06-27 1937-06-24 Porzellanfabrik Kahla Process for the production of glazed ceramic products with a low coefficient of expansion US2650903A (en) * 1947-07-05 1953-09-01 Westinghouse Electric Corp Protection of molybdenum against oxidation FR1006469A (en) * 1948-01-20 1952-04-23 Rickmann & Rappe Dr Manufacturing of speckled enamels and glazes US2851376A (en) * 1956-04-25 1958-09-09 Goeppner Kaiserslautern Eisen Enamelling process US2993814A (en) * 1958-05-24 1961-07-25 Foerderung Forschung Gmbh Heating conductor and method of making the same US3252827A (en) * 1958-11-05 1966-05-24 Carborundum Co Refractory carbide bodies and method of making them US3269856A (en) * 1962-06-07 1966-08-30 Lockheed Aircraft Corp Coating for refractory metal 1964 1964-03-06 DE DE1964S0089888 patent/DE1496660B1/en active Pending 1965 1965-02-26 GB GB8521/65A patent/GB1081623A/en not_active Expired 1965-03-02 CH CH284965A patent/CH478066A/en not_active IP Right Cessation 1965-03-04 US US437051A patent/US3390013A/en not_active Expired - Lifetime 1965-03-05 SE SE2927/65A patent/SE317859B/xx unknown 1965-03-06 FR FR8240A patent/FR1428311A/en not_active Expired Also Published As Publication number Publication date US3390013A (en) 1968-06-25 CH478066A (en) 1969-09-15 SE317859B (en) 1969-11-24 FR1428311A (en) 1966-02-11 DE1496660B1 (en) 1970-02-12 Similar Documents Publication Publication Date Title GB1081623A (en) 1967-08-31 Coated refractory bodies GB955629A (en) 1964-04-15 Refractory articles and methods of making such refractory articles GB1166429A (en) 1969-10-08 Improvements in or relating to Shaped Carbon or Graphite Bodies GB1427287A (en) 1976-03-10 X-ray tube rotary anode US2711975A (en) 1955-06-28 Vitreous coated refractory metals, method for producing the same, and vitreous enamel composition GB1102736A (en) 1968-02-07 Improvements in or relating to carbon bodies ES374438A1 (en) 1972-01-01 Electrophoretic deposition of ceramic coatings US2898236A (en) 1959-08-04 Protective cermet coating method and materials GB1348201A (en) 1974-03-13 Magnesium-based coatings for the sacrificial protection of metals GB1062166A (en) 1967-03-15 Vitreous compositions US3490942A (en) 1970-01-20 Coated electrode for the welding of alloys with very low carbon content GB1064932A (en) 1967-04-12 Coloured metal-glass composites GB1026055A (en) 1966-04-14 Coating of carbon GB939609A (en) 1963-10-16 Diffusion coating method for metals and alloys US3446655A (en) 1969-05-27 Method of producing refractory metal articles US2269176A (en) 1942-01-06 Coated refractory melting pot GB1454496A (en) 1976-11-03 Glazes for ceramic articles GB827824A (en) 1960-02-10 Method of applying highly heat-resistant protective coatings to metallic surfaces GB906022A (en) 1962-09-19 Improvements in or relating to methods of metallising ceramic surfaces GB1006296A (en) 1965-09-29 Improvements relating to the protection of refractory materials GB1357072A (en) 1974-06-19 Reduction of the surface resistances of ceramic bodies GB1016364A (en) 1966-01-12 Coatings for niobium alloys GB844171A (en) 1960-08-10 Ceramic structures for electron tubes and method of making the same GB1045996A (en) 1966-10-19 Improvements in and relating to alloys GB874303A (en) 1961-08-02 Metalized ceramic bond and method for producing same
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