GB1041753A - Improved method of depositing bright-nickel/chromium - Google Patents

Improved method of depositing bright-nickel/chromium

Info

Publication number
GB1041753A
GB1041753A GB13483/64A GB1348364A GB1041753A GB 1041753 A GB1041753 A GB 1041753A GB 13483/64 A GB13483/64 A GB 13483/64A GB 1348364 A GB1348364 A GB 1348364A GB 1041753 A GB1041753 A GB 1041753A
Authority
GB
United Kingdom
Prior art keywords
nickel
layer
bright
nicl2
bath containing
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
GB13483/64A
Inventor
Jules Marie Odekerken
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.)
Research Holland NV
Original Assignee
Research Holland NV
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 Research Holland NV filed Critical Research Holland NV
Priority to GB13483/64A priority Critical patent/GB1041753A/en
Priority to DE19651496935 priority patent/DE1496935B1/en
Publication of GB1041753A publication Critical patent/GB1041753A/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
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/31—Coating with metals
    • C23C18/32—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron
    • C23C18/34—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron using reducing agents
    • C23C18/36—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron using reducing agents using hypophosphites
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D15/00—Electrolytic or electrophoretic production of coatings containing embedded materials, e.g. particles, whiskers, wires
    • C25D15/02—Combined electrolytic and electrophoretic processes with charged materials
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/10—Electroplating with more than one layer of the same or of different metals
    • C25D5/12—Electroplating with more than one layer of the same or of different metals at least one layer being of nickel or chromium
    • C25D5/14—Electroplating with more than one layer of the same or of different metals at least one layer being of nickel or chromium two or more layers being of nickel or chromium, e.g. duplex or triplex layers
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/60—Electroplating characterised by the structure or texture of the layers
    • C25D5/623—Porosity of the layers
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/627—Electroplating characterised by the visual appearance of the layers, e.g. colour, brightness or mat appearance

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Electroplating And Plating Baths Therefor (AREA)

Abstract

A microporous chromium layer is formed on a bright-nickel layer e.g. on a steel plate substrate by applying an intermediate layer, e.g. by electrodeposition or chemical plating from a separate bath, after applying the bright-nickel layer but before applying the chromium layer, said intermediate layer being a metal or alloy containing at least two insulating materials of different average particle sizes, the larger or largest average particle size being 0.5-5 microns and the smaller or smallest being no more than one tenth of the larger or largest size. The insulating materials may be only one substance or different substances, e.g. Cr2O3 of average size 0.5 micron with amorphous SiO2 of average size 0.025 micron. Examples of plating baths for the intermediate metallic layer with particles of insulating materials kept in suspension by stirring or air insufflation are:- (1) cobalt/bright-nickel bath containing NiSO4, NiCl2, CoSO4, H3BO3, Ni formate, HCHO with BaSO4 and cellulose; (2) dull-nickel bath containing NiSO4, NiCl2, H3BO3 with kaolin and SiO2; (3) cobalt/tungsten bath containing CoCl2, sodium tungstate, Rochelle salt, NH4Cl with acrylate dispersion and polystyrene powder; and (4) reduction nickel bath containing NiCl2, sodium citrate, NH4Cl, NaH2PO2, NH4OH with P.V.C. powder and Al2O3. The initial bright-nickel layer may be electrodeposited from a bath containing NiSO4, NiCl2, H3BO3, 1, 4-butinediol, paratoluene sulphonamide and sodium lauryl sulphate; the final chromium plating may be effected in a chromicsulphuric acid bath.
GB13483/64A 1964-04-01 1964-04-01 Improved method of depositing bright-nickel/chromium Expired GB1041753A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB13483/64A GB1041753A (en) 1964-04-01 1964-04-01 Improved method of depositing bright-nickel/chromium
DE19651496935 DE1496935B1 (en) 1964-04-01 1965-03-31 Process for the production of a microporous chromium layer on a bright nickel layer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB13483/64A GB1041753A (en) 1964-04-01 1964-04-01 Improved method of depositing bright-nickel/chromium

Publications (1)

Publication Number Publication Date
GB1041753A true GB1041753A (en) 1966-09-07

Family

ID=10023783

Family Applications (1)

Application Number Title Priority Date Filing Date
GB13483/64A Expired GB1041753A (en) 1964-04-01 1964-04-01 Improved method of depositing bright-nickel/chromium

Country Status (2)

Country Link
DE (1) DE1496935B1 (en)
GB (1) GB1041753A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3617363A (en) * 1967-01-18 1971-11-02 Gen Am Transport Process for electroless metallizing incorporating wear-resisting particles
GB2121436A (en) * 1982-06-02 1983-12-21 Gewerk Eisenhuette Westfalia Method of applying a corrosion-proof and wear-resistant coating to a workpiece
US4547407A (en) * 1982-08-09 1985-10-15 Surface Technology, Inc. Electroless metal coatings incorporating particulate matter of varied nominal sizes
US4906532A (en) * 1980-10-27 1990-03-06 Surface Technology, Inc. Electroleses metal coatings incorporating particulate matter of varied nominal sizes
USRE33767E (en) * 1971-12-15 1991-12-10 Surface Technology, Inc. Method for concomitant particulate diamond deposition in electroless plating, and the product thereof

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2616452B1 (en) * 1987-06-12 1991-08-16 Peugeot METHOD FOR COATING ANY PIECE BY CHEMICAL OR ELECTROLYTIC METHOD AND PART OBTAINED BY THIS PROCESS

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL125956C (en) * 1960-07-26

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3617363A (en) * 1967-01-18 1971-11-02 Gen Am Transport Process for electroless metallizing incorporating wear-resisting particles
USRE33767E (en) * 1971-12-15 1991-12-10 Surface Technology, Inc. Method for concomitant particulate diamond deposition in electroless plating, and the product thereof
US4906532A (en) * 1980-10-27 1990-03-06 Surface Technology, Inc. Electroleses metal coatings incorporating particulate matter of varied nominal sizes
GB2121436A (en) * 1982-06-02 1983-12-21 Gewerk Eisenhuette Westfalia Method of applying a corrosion-proof and wear-resistant coating to a workpiece
US4547407A (en) * 1982-08-09 1985-10-15 Surface Technology, Inc. Electroless metal coatings incorporating particulate matter of varied nominal sizes

Also Published As

Publication number Publication date
DE1496935B1 (en) 1970-02-12

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