BE747774A - Sub-coating for nickel-chrome finish - ensuring good finish on rough and porous - Google Patents

Sub-coating for nickel-chrome finish - ensuring good finish on rough and porous

Info

Publication number
BE747774A
BE747774A BE747774DA BE747774A BE 747774 A BE747774 A BE 747774A BE 747774D A BE747774D A BE 747774DA BE 747774 A BE747774 A BE 747774A
Authority
BE
Belgium
Prior art keywords
finish
nickel
porous
chrome
rough
Prior art date
Application number
Other languages
French (fr)
Original Assignee
Centre Rech Metallurgique
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 Centre Rech Metallurgique filed Critical Centre Rech Metallurgique
Publication of BE747774A publication Critical patent/BE747774A/en

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
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/02—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material
    • C23C28/023—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material only coatings of metal elements only

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electroplating Methods And Accessories (AREA)

Abstract

Used on ferrous metals (strip or wire) having porous surfaces and particularly corrosion prone. First the relative micro-porosity of the steel is determined. Taking this as being 1.3 microns it has been found that effective plating can be carried by: a first layer of 15 microns thickness of cobalt alloy. A second layer of 30 microns thickness of nickel-chrome. Cobalt first layer effectively masks the surface roughness. Above are min. thicknesses for corrosion protection of ferrous surfaces.
BE747774D 1970-03-20 1970-03-20 Sub-coating for nickel-chrome finish - ensuring good finish on rough and porous BE747774A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE747774 1970-03-20

Publications (1)

Publication Number Publication Date
BE747774A true BE747774A (en) 1970-09-21

Family

ID=3856252

Family Applications (1)

Application Number Title Priority Date Filing Date
BE747774D BE747774A (en) 1970-03-20 1970-03-20 Sub-coating for nickel-chrome finish - ensuring good finish on rough and porous

Country Status (2)

Country Link
BE (1) BE747774A (en)
LU (1) LU62814A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2695142B1 (en) * 1992-08-27 1994-11-04 Europ Gas Turbines Sa Anti-wear cobalt coating of a nickel alloy part.

Also Published As

Publication number Publication date
LU62814A1 (en) 1971-08-24

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