GB1511353A - Application of protective coatings to metal surfaces - Google Patents

Application of protective coatings to metal surfaces

Info

Publication number
GB1511353A
GB1511353A GB1786075A GB1786075A GB1511353A GB 1511353 A GB1511353 A GB 1511353A GB 1786075 A GB1786075 A GB 1786075A GB 1786075 A GB1786075 A GB 1786075A GB 1511353 A GB1511353 A GB 1511353A
Authority
GB
United Kingdom
Prior art keywords
coating
per cent
silicon oxide
boron oxide
protective coatings
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
GB1786075A
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 GB1786075A priority Critical patent/GB1511353A/en
Publication of GB1511353A publication Critical patent/GB1511353A/en
Expired legal-status Critical Current

Links

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
    • C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
    • C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
    • C23C16/40—Oxides
    • C23C16/401—Oxides containing silicon
    • 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
    • C23D—ENAMELLING OF, OR APPLYING A VITREOUS LAYER TO, METALS
    • C23D5/00—Coating with enamels or vitreous layers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Non-Metallic Protective Coatings For Printed Circuits (AREA)

Abstract

1511353 Protective coatings; vapour deposition CENTRAL ELECTRICITY GENERATING BOARD 21 April 1976 [29 April 1975] 17860/75 Headings C1A and C1M A boron oxide-silicon oxide protective coating on a metal surface, the coating having a composition in the range 20 wt. per cent silicon oxide, 80 wt. per cent boron oxide to 85 wt. per cent silicon oxide 15 wt. per cent boron oxide, is used at an elevated temperature close to the melting point of the coating, but not greater than 1500‹C. The coating may be formed by passing SiH 4 . B 2 H 6 and O 2 in an inert carrier gas over the metal surface, the surface being maintained at a temperature of at least 300‹C and the gas having a temperature at least 50‹C below that of the surface. The coating also shows protection against fused salts e.g. NaCl-NaSO 4 probably due to formation of sodium borosilicate.
GB1786075A 1976-04-21 1976-04-21 Application of protective coatings to metal surfaces Expired GB1511353A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1786075A GB1511353A (en) 1976-04-21 1976-04-21 Application of protective coatings to metal surfaces

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1786075A GB1511353A (en) 1976-04-21 1976-04-21 Application of protective coatings to metal surfaces

Publications (1)

Publication Number Publication Date
GB1511353A true GB1511353A (en) 1978-05-17

Family

ID=10102485

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1786075A Expired GB1511353A (en) 1976-04-21 1976-04-21 Application of protective coatings to metal surfaces

Country Status (1)

Country Link
GB (1) GB1511353A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0022349A1 (en) * 1979-07-07 1981-01-14 The British Petroleum Company p.l.c. Protective metal oxide films on metal or alloy substrate surfaces susceptible to coking, corrosion or catalytic activity
US5064691A (en) * 1990-03-02 1991-11-12 Air Products And Chemicals, Inc. Gas phase borosiliconization of ferrous surfaces

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0022349A1 (en) * 1979-07-07 1981-01-14 The British Petroleum Company p.l.c. Protective metal oxide films on metal or alloy substrate surfaces susceptible to coking, corrosion or catalytic activity
US5064691A (en) * 1990-03-02 1991-11-12 Air Products And Chemicals, Inc. Gas phase borosiliconization of ferrous surfaces

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Legal Events

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