Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
  • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
  • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
  • B05D3/10—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by other chemical means
  • B05D3/102—Pretreatment of metallic substrates
• • 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
  • Y10T428/12—All metal or with adjacent metals
  • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
  • Y10T428/12771—Transition metal-base component
  • Y10T428/12861—Group VIII or IB metal-base component
  • Y10T428/12937—Co- or Ni-base component next to Fe-base component
• • 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
  • Y10T428/12—All metal or with adjacent metals
  • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
  • Y10T428/12771—Transition metal-base component
  • Y10T428/12861—Group VIII or IB metal-base component
  • Y10T428/12951—Fe-base component
  • Y10T428/12972—Containing 0.01-1.7% carbon [i.e., steel]

Definitions

• This invention relates to a steel sheet having a nickel composite film containing at least one member of the group consisting of Mo, W, Cu and K in the nickel film, and a method for manufacturing the same.
• a steel sheet having a nickel composite film containing at least one member selected from the group consisting of Mo, W, Cu and K in the nickel film According to this invention, there is also provided a method for the manufacture of a steel sheet having a nickel composite film which comprises subjecting a surface of a steel sheet to a cleaning treatment, coating an aqueous solution on said cleaned surface, said aqueous solution being obtained by adding to an aqueous solution containing a metallic ion of Ni at least one member selected from the group consisting of an aqueous solution containing a metallic ion of Mo.
• an aqueous solution containing a metallic ion of W an aqueous solution containing a metallic ion of Cu and an aqueous solution containing a metallic ion of K, heating the same in the atmosphere of a non-oxidizing gas, and thereby forming on said steel sheet a film consisting of Ni and at least one member selected from Mo, W, Cu and K.
• One or more than one aqueous solutions containing metallic ions of Mo, W, Cu or K is added to an aqueous solution containing a metallic ion of Ni whereby a treating aqueous solution is obtained.
• This is coated on the surface of a steel sheet, which is then heated in the atmosphere of a non-oxidizing gas.
• a film composed of Ni and one member selected from the member consisting of Mo, W, Cu and K is then formed on the surface of the steel sheet.
• the temperature for heating is preferably between 200C and 750 C.
• the way of coating the treating aqueous solution may vary with the particular operation used, such as a spraying method, a rolling method or a dipping method, etc. If necessary, a surface active agent may be added.
• the film obtained on the surface of the steel sheet is considered to be a film consisting of two layers, the lower layer being Fe-Ni alloy and the upper layer being a mixed film of Ni with one or more selected from Mo, W, Cu and K. It has an excellent anti-corrosion property and lacquerability as shown in the example hereinafter described.
• a steel sheet which is cheap, has an excellent anti-corrosion and lacquerability and is particularly adapted for use as a material for a can or container can be obtained according to this invention.
• the amount adhering to the steel sheet from the treatment with aqueous solution may vary remarkably with the particular coating method used.
• the effective range is lg/l to lOOg/l, preferably 5g/l to 25g/l for the Ni ion, and 20g/l or less, preferably 5g/l or less for the Mo, W, Cu or K ion, respectively.
• EXAMPLE A steel sheet which has been subjected to the ordinary treatment or the cold rolling by means of a strip mill was electrolytically degreased and then coated by means of a dipping process with a treatment of aqueous solution which had been prepared by adding ammonium molybdate, ammonium tungstate, copper acetate, tri-potassium phosphate, or combination thereof, to an aqueous solution of nickel acetate. Immediately thereafter the coated steel sheet was heated to 650C in a furnace of bright annealing gas consisting of 7% H and the rest N whereby a nickel alloy film was formed.
• the coated steel sheet was then subjected to a skin pass by 1% and a rolling by 30% reduction, and then the rustprevention property, the resistance to the underfilm ((mmmrisnn of properties) Composition of the treating aqueous solution Resistance to corrosion underfilm After skin pass
• Non-treated steel sheet Remarks The treating method: dipping; heating atmosphere H 7%.
• a method for the manufacture of a steel sheet having a nickel composite film which comprises subjecting a surface of a steel sheet to a cleaning treatment. coating an aqueous solution on said cleaned surface, said aqueous solution being obtained by adding to an aqueous solution containing a metallic ion of nickel at least one member selected from the group consisting of an aqueous solution containing a metallic ion of molybdenum, an aqueous solution containing a metallic ion of tungsten, an aqueous solution containing a metallic ion of copper and an aqueous solution containing a metallic ion of potassium, heating the same in the atmosphere of a non-oxidizing gas, and thereby forming on said steel sheet a film consisting of nickel and at least one member selected from molybdenum, tungsten, copper and potassium.
• a method according to claim 1 in which the amount adhering from the treatment with aqueous solution is lg/l to g/l for the nickel ion, and 20g/l or less for the molybdenum, tungsten, copper or potassium ion, respectively.
• a method for the manufacture of a steel sheet having a nickel composite film which comprises subjecting a surface of a steel sheet to a cleaning treatment, coating an aqueous solution on said cleaned surface, said aqueous solution being obtained by adding to an aqueous solution of nickel acetate at least one member selected from the group consisting of an aqueous solution of ammonium molybdate, an aqueous solution of ammonium tungstate, an aqueous solution of copper acetate and an aqueous solution of tri-potassium phosphate, heating the same in the atmosphere of a nonoxidizing gas, and thereby forming on said steel sheet a film consisting of nickel and at least one member selected from molybdenum, tungsten, copper and potassium.
• a method according to claim 9 in which the amount adhering from the treatment with aqueous solution is lg/l to l00g/I for the nickel ion and 20g/l or less for the molybdenum, tungsten, copper and potassium ion, respectively.
• a method according to claim 13 in which the amount adhering from the treatment with aqueous solution is Sg/l to 25g/l for the nickel ion and Sg/l or less for the molybdenum, tungsten, copper or potassium ion, respectively.

Landscapes

• Chemical & Material Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• General Chemical & Material Sciences (AREA)
• Chemically Coating (AREA)
• Chemical Treatment Of Metals (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=14076544

Family Applications (1)

Country Status (3)

Cited By (4)

Citations (3)

• 1972
  • 1972-09-19 JP JP9322372A patent/JPS5332343B2/ja not_active Expired
• 1973
  • 1973-09-10 US US395841A patent/US3894847A/en not_active Expired - Lifetime
  • 1973-09-18 CA CA181,327A patent/CA1003710A/en not_active Expired

Patent Citations (3)

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