GB788401A - Improvements relating to aluminium-coated silicon-aluminium steels - Google Patents

Improvements relating to aluminium-coated silicon-aluminium steels

Info

Publication number
GB788401A
GB788401A GB478955A GB478955A GB788401A GB 788401 A GB788401 A GB 788401A GB 478955 A GB478955 A GB 478955A GB 478955 A GB478955 A GB 478955A GB 788401 A GB788401 A GB 788401A
Authority
GB
United Kingdom
Prior art keywords
per cent
per
binder
paint
aluminium
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
GB478955A
Inventor
Eric Adolph Brandes
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.)
Fulmer Research Institute Ltd
Original Assignee
Fulmer Research Institute Ltd
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 Fulmer Research Institute Ltd filed Critical Fulmer Research Institute Ltd
Priority to GB478955A priority Critical patent/GB788401A/en
Publication of GB788401A publication Critical patent/GB788401A/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
    • C23C24/00—Coating starting from inorganic powder
    • C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
    • C23C24/082—Coating starting from inorganic powder by application of heat or pressure and heat without intermediate formation of a liquid in the layer
    • C23C24/085—Coating with metallic material, i.e. metals or metal alloys, optionally comprising hard particles, e.g. oxides, carbides or nitrides
    • C23C24/087—Coating with metal alloys or metal elements only
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
    • B23K20/22—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded
    • B23K20/227—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded with ferrous layer
    • B23K20/2275—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded with ferrous layer the other layer being aluminium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)

Abstract

Steel containing 1.5 to 5 per cent Si, 0.5 to 5 per cent Al, the combined contents of Si and Al lying between 2 and 72, and optionally minor amounts of Mn, Ni, Cr, W, Ti, P, B, S, the balance being Fe, is coated with Al by applying an Al paint having a volatile binder. The paint is applied uniformly after cleaning and polishing the steel surface, to provide at least 1 mgm. of Al per sq. cm. of surface, and after low temperature drying is heated at 350 DEG C. to drive off the binder.ALSO:Surfaces (according to the Provisional Specification, of heat exchangers, combustion chambers, furnaces, flues) highly resistant to oxidation at elevated temperatures are made by coating with Al an alloy containing 1.5 to 5 per cent Si, 0.5 to 5 per cent Al - the combined contents of Si and Al lying between 2 and 7 per cent - 0.05 to 0.35 per cent C. and optionally one or more of Mn up to 3 per cent, Ni up to 5 per cent, Cr up to 2 per cent, W up to 1 per cent, Ti up to 1 per cent, P up to 0.04 per cent, B. up to 0.01 per cent, S. up to 0.03 per cent in absence of Mn or up to 0.05 per cent in presence of a balanced Mn content; the remainder being Fe apart from unavoidable impurities. The Al coating may be applied to the cleaned steel surface by painting with an Al paint having a volatile binder and heating to drive off the binder, the Al layer being at least 1 mgm. per sq. cm. of surface. It may also be applied by the rolling on of an Al foil, by hot dipping, by electroplating or by spraying; in this last case the surface should first be roughened by abrasive blasting. The surfaces are said to be especially resistant to hot sulphur-containing flue gases.
GB478955A 1955-02-17 1955-02-17 Improvements relating to aluminium-coated silicon-aluminium steels Expired GB788401A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB478955A GB788401A (en) 1955-02-17 1955-02-17 Improvements relating to aluminium-coated silicon-aluminium steels

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB478955A GB788401A (en) 1955-02-17 1955-02-17 Improvements relating to aluminium-coated silicon-aluminium steels

Publications (1)

Publication Number Publication Date
GB788401A true GB788401A (en) 1958-01-02

Family

ID=9783840

Family Applications (1)

Application Number Title Priority Date Filing Date
GB478955A Expired GB788401A (en) 1955-02-17 1955-02-17 Improvements relating to aluminium-coated silicon-aluminium steels

Country Status (1)

Country Link
GB (1) GB788401A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2209292A (en) * 1987-08-31 1989-05-10 Gen Electric Application of conductive metallic film to a glass ceramic support surface

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2209292A (en) * 1987-08-31 1989-05-10 Gen Electric Application of conductive metallic film to a glass ceramic support surface

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