WO2011036260A3 - Method for galvanizing and passivation - Google Patents

Method for galvanizing and passivation Download PDF

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Publication number
WO2011036260A3
WO2011036260A3 PCT/EP2010/064167 EP2010064167W WO2011036260A3 WO 2011036260 A3 WO2011036260 A3 WO 2011036260A3 EP 2010064167 W EP2010064167 W EP 2010064167W WO 2011036260 A3 WO2011036260 A3 WO 2011036260A3
Authority
WO
WIPO (PCT)
Prior art keywords
substrate
metal
deposition
immersed
galvanizing
Prior art date
Application number
PCT/EP2010/064167
Other languages
German (de)
French (fr)
Other versions
WO2011036260A2 (en
Inventor
Stefan Dameron
Original Assignee
Stefan Dameron
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 Stefan Dameron filed Critical Stefan Dameron
Publication of WO2011036260A2 publication Critical patent/WO2011036260A2/en
Publication of WO2011036260A3 publication Critical patent/WO2011036260A3/en

Links

Classifications

    • 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
    • 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
    • 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
    • C25D5/18—Electroplating using modulated, pulsed or reversing current
    • 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
    • C25D5/48—After-treatment of electroplated surfaces
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D9/00—Electrolytic coating other than with metals
    • C25D9/04—Electrolytic coating other than with metals with inorganic materials
    • C25D9/08—Electrolytic coating other than with metals with inorganic materials by cathodic processes
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00—Electroplating: Baths therefor
    • C25D3/02—Electroplating: Baths therefor from solutions
    • C25D3/12—Electroplating: Baths therefor from solutions of nickel or cobalt
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00—Electroplating: Baths therefor
    • C25D3/02—Electroplating: Baths therefor from solutions
    • C25D3/22—Electroplating: Baths therefor from solutions of zinc
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00—Electroplating: Baths therefor
    • C25D3/02—Electroplating: Baths therefor from solutions
    • C25D3/30—Electroplating: Baths therefor from solutions of tin
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00—Electroplating: Baths therefor
    • C25D3/02—Electroplating: Baths therefor from solutions
    • C25D3/38—Electroplating: Baths therefor from solutions of copper
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00—Electroplating: Baths therefor
    • C25D3/02—Electroplating: Baths therefor from solutions
    • C25D3/54—Electroplating: Baths therefor from solutions of metals not provided for in groups C25D3/04 - C25D3/50

Abstract

In order to provide a galvanizing method which can be used to electroplate and simultaneously passivate conductive objects easily and cost-effectively a substrate is immersed into a galvanizing bath which comprises ions of at least one metal for electrochemical deposition on the substrate surface, ions of at least one transition metal, and a solvent, the substrate forming the cathode of an electrochemical cell; a voltage is applied to the electrochemical cell, producing a current flow that leads to the deposition at least of the at least one metal on the substrate surface; the current flow is interrupted after the deposition of the at least one metal; and subsequently a potential is generated at the cathode, or an additional electrode which is made of the material of the substrate and may be conductively connected to the substrate is immersed in the galvanizing bath, and said potential is maintained or said electrode remains immersed for a time period.
PCT/EP2010/064167 2009-09-24 2010-09-24 Method for galvanization and passivation WO2011036260A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009044982.5 2009-09-24
DE102009044982A DE102009044982A1 (en) 2009-09-24 2009-09-24 Process for electroplating and passivation

Publications (2)

Publication Number Publication Date
WO2011036260A2 WO2011036260A2 (en) 2011-03-31
WO2011036260A3 true WO2011036260A3 (en) 2011-06-16

Family

ID=43638713

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2010/064167 WO2011036260A2 (en) 2009-09-24 2010-09-24 Method for galvanization and passivation

Country Status (2)

Country Link
DE (1) DE102009044982A1 (en)
WO (1) WO2011036260A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114768509B (en) * 2022-04-01 2023-12-01 中北大学 Method and device for removing multi-component pollutants in flue gas based on supergravity technology

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002050341A2 (en) * 2000-12-19 2002-06-27 Centro Sviluppo Materiali S.P.A. Process for the passivation of tinned stainless steel strip with a chrome-free passivation film
WO2005014890A1 (en) * 2003-07-23 2005-02-17 Seamless Plating (Uk) Limited An electrolyte solution

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002050341A2 (en) * 2000-12-19 2002-06-27 Centro Sviluppo Materiali S.P.A. Process for the passivation of tinned stainless steel strip with a chrome-free passivation film
WO2005014890A1 (en) * 2003-07-23 2005-02-17 Seamless Plating (Uk) Limited An electrolyte solution

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
MAGALHAES A A O ET AL: "Molybdate conversion coatings on zinc surfaces", JOURNAL OF ELECTROANALYTICAL CHEMISTRY AND INTERFACIALELECTRO CHEMISTRY, ELSEVIER, AMSTERDAM, NL, vol. 572, no. 2, 1 November 2004 (2004-11-01), pages 433 - 440, XP004588693, ISSN: 0022-0728, DOI: DOI:10.1016/J.JELECHEM.2004.07.016 *
WALKER D E ET AL: "Molybdate based conversion coatings for zinc and zinc alloy surfaces: a review", 20080901, vol. 86, no. 5, 1 September 2008 (2008-09-01), pages 251 - 259, XP001516988, DOI: DOI:10.1179/174591908X345022 *
WILCOX G D ET AL: "The development of passivation coatings by cathodic reduction in sodium molybdate solutions", CORROSION SCIENCE, OXFORD, GB, vol. 28, no. 6, 1 January 1988 (1988-01-01), pages 577 - 585,587, XP024046659, ISSN: 0010-938X, [retrieved on 19880101], DOI: DOI:10.1016/0010-938X(88)90025-X *

Also Published As

Publication number Publication date
WO2011036260A2 (en) 2011-03-31
DE102009044982A1 (en) 2011-03-31

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