GB1530337A - Application of protective coatings to metal or metal with an oxide coating or to graphite - Google Patents

Application of protective coatings to metal or metal with an oxide coating or to graphite

Info

Publication number
GB1530337A
GB1530337A GB3872376A GB3872376A GB1530337A GB 1530337 A GB1530337 A GB 1530337A GB 3872376 A GB3872376 A GB 3872376A GB 3872376 A GB3872376 A GB 3872376A GB 1530337 A GB1530337 A GB 1530337A
Authority
GB
United Kingdom
Prior art keywords
metal
oxidation
coating
carbon
excess
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
GB3872376A
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.)
Central Electricity Generating Board
Original Assignee
Central Electricity Generating Board
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 Central Electricity Generating Board filed Critical Central Electricity Generating Board
Priority to GB3872376A priority Critical patent/GB1530337A/en
Publication of GB1530337A publication Critical patent/GB1530337A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
    • C04B41/81—Coating or impregnation
    • C04B41/85—Coating or impregnation with inorganic materials
    • C04B41/87—Ceramics
    • 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
    • C23C26/00—Coating not provided for in groups C23C2/00 - C23C24/00

Abstract

1530337 Protecting metal and carbon surfaces CENTRAL ELECTRICITY GENERATING BOARD 15 Sept 1977 [17 Sept 1976] 38723/76 Heading C1M A method of protecting a metal or carbon surface comprises the steps of depositing a silicon coating thereon under dry non-oxidizing conditions at a temperature in excess of 520K and subsequently oxidizing the coating at a temperature in excess of 520K but under oxidation potential conditions such that the oxidation of the silicon is faster than that of the substrate. The oxidation of the coating may be effected under low oxidation potential conditions with an oxygen partial pressure less than 10<SP>-8</SP> atmospheres. The oxidation may be effected using hydrogen/water vapour with the volume of hydrogen being in excess of the volume of water vapour or effected using carbon monoxide/carbon dioxide. In a modification a metal surface having an oxide coating thereon may be protected using carbon monoxide/carbon dioxide.
GB3872376A 1977-09-15 1977-09-15 Application of protective coatings to metal or metal with an oxide coating or to graphite Expired GB1530337A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3872376A GB1530337A (en) 1977-09-15 1977-09-15 Application of protective coatings to metal or metal with an oxide coating or to graphite

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3872376A GB1530337A (en) 1977-09-15 1977-09-15 Application of protective coatings to metal or metal with an oxide coating or to graphite

Publications (1)

Publication Number Publication Date
GB1530337A true GB1530337A (en) 1978-10-25

Family

ID=10405294

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3872376A Expired GB1530337A (en) 1977-09-15 1977-09-15 Application of protective coatings to metal or metal with an oxide coating or to graphite

Country Status (1)

Country Link
GB (1) GB1530337A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4404236A (en) * 1980-10-24 1983-09-13 Kabushiki Kaisha Suwa Seikosha High pressure chemical vapor deposition
US4714632A (en) * 1985-12-11 1987-12-22 Air Products And Chemicals, Inc. Method of producing silicon diffusion coatings on metal articles
US4822642A (en) * 1985-12-11 1989-04-18 Air Products And Chemicals, Inc. Method of producing silicon diffusion coatings on metal articles
US5069701A (en) * 1987-07-13 1991-12-03 Hughes Aircraft Company Preparation of fluoride glass by chemical vapor deposition
EP0517576A1 (en) * 1991-06-03 1992-12-09 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Process for storing a gas mixture in passivated metal containers to enhance the stability of gaseous hydride mixtures at low concentration in contact therewith
US5480677A (en) * 1991-06-03 1996-01-02 American Air Liquide Chicago Research Center Process for passivating metal surfaces to enhance the stability of gaseous hydride mixtures at low concentration in contact therewith
CN115506777A (en) * 2022-10-08 2022-12-23 中国石油大学(北京) Method and device for determining safety coefficient of casing

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4404236A (en) * 1980-10-24 1983-09-13 Kabushiki Kaisha Suwa Seikosha High pressure chemical vapor deposition
US4714632A (en) * 1985-12-11 1987-12-22 Air Products And Chemicals, Inc. Method of producing silicon diffusion coatings on metal articles
US4822642A (en) * 1985-12-11 1989-04-18 Air Products And Chemicals, Inc. Method of producing silicon diffusion coatings on metal articles
US5069701A (en) * 1987-07-13 1991-12-03 Hughes Aircraft Company Preparation of fluoride glass by chemical vapor deposition
EP0517576A1 (en) * 1991-06-03 1992-12-09 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Process for storing a gas mixture in passivated metal containers to enhance the stability of gaseous hydride mixtures at low concentration in contact therewith
US5480677A (en) * 1991-06-03 1996-01-02 American Air Liquide Chicago Research Center Process for passivating metal surfaces to enhance the stability of gaseous hydride mixtures at low concentration in contact therewith
KR100227064B1 (en) * 1991-06-03 1999-10-15 쉬에르 피에르 Process for passivating metal surfaces to enhance the stability of gaseous hydride mixtures at low concentration in contact therewith
CN115506777A (en) * 2022-10-08 2022-12-23 中国石油大学(北京) Method and device for determining safety coefficient of casing
CN115506777B (en) * 2022-10-08 2023-09-08 中国石油大学(北京) Method and device for determining safety coefficient of sleeve

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee