FR2550555B2 - Procede pour la protection de lamines plats en acier zingue au moyen d'un revetement electrolytique multicouche - Google Patents

Procede pour la protection de lamines plats en acier zingue au moyen d'un revetement electrolytique multicouche

Info

Publication number
FR2550555B2
FR2550555B2 FR8412239A FR8412239A FR2550555B2 FR 2550555 B2 FR2550555 B2 FR 2550555B2 FR 8412239 A FR8412239 A FR 8412239A FR 8412239 A FR8412239 A FR 8412239A FR 2550555 B2 FR2550555 B2 FR 2550555B2
Authority
FR
France
Prior art keywords
protection
electrolytic coating
multilayer electrolytic
flat zinc
plated laminates
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
FR8412239A
Other languages
English (en)
Other versions
FR2550555A2 (fr
Inventor
Carlo Lavezzari
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.)
Zincroksid SpA
Original Assignee
Zincroksid SpA
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
Priority claimed from IT19880/83A external-priority patent/IT1161593B/it
Priority claimed from IT22517/83A external-priority patent/IT1163889B/it
Application filed by Zincroksid SpA filed Critical Zincroksid SpA
Publication of FR2550555A2 publication Critical patent/FR2550555A2/fr
Application granted granted Critical
Publication of FR2550555B2 publication Critical patent/FR2550555B2/fr
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/38Chromatising
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C28/00Coating 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electrochemistry (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Electroplating Methods And Accessories (AREA)
FR8412239A 1983-03-03 1984-08-02 Procede pour la protection de lamines plats en acier zingue au moyen d'un revetement electrolytique multicouche Expired FR2550555B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT19880/83A IT1161593B (it) 1983-03-03 1983-03-03 Procedimento per la protezione di laminati piani di acciaio zincato mediante rivestimento elettrolitico multistrato
IT22517/83A IT1163889B (it) 1983-08-11 1983-08-11 Procedimento perfezionato per la protezione in ambienti particolarmente aggressivi di laminati piani di acciaio mediante rivestimento elettrolitico multistrato

Publications (2)

Publication Number Publication Date
FR2550555A2 FR2550555A2 (fr) 1985-02-15
FR2550555B2 true FR2550555B2 (fr) 1988-12-30

Family

ID=26327336

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8412239A Expired FR2550555B2 (fr) 1983-03-03 1984-08-02 Procede pour la protection de lamines plats en acier zingue au moyen d'un revetement electrolytique multicouche

Country Status (2)

Country Link
BE (1) BE900342R (fr)
FR (1) FR2550555B2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4707415A (en) * 1985-03-30 1987-11-17 Sumitomo Metal Industries, Ltd. Steel strips with corrosion resistant surface layers having good appearance
ES2033726T3 (es) * 1986-05-14 1993-04-01 Nippon Steel Corporation Material de acero tratado en superficie, particularmente chapa de acero con revestimiento electrolitico.
FR2692596B1 (fr) * 1992-06-22 1995-03-31 Lorraine Laminage Tôle revêtue et procédé de fabrication de cette tôle.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3532608A (en) * 1967-09-29 1970-10-06 United States Steel Corp Method of treating steel and electrolyte therefor
US3647650A (en) * 1969-07-16 1972-03-07 Nippon Kokan Kk Method of treating tin plate or galvanized sheet
ZA812807B (en) * 1980-05-30 1982-04-28 Champion Spark Plug Co Preventing corrosion of zinc and cadmium

Also Published As

Publication number Publication date
BE900342R (fr) 1984-12-03
FR2550555A2 (fr) 1985-02-15

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