FR2703366B1 - CHEMICAL PRE-TREATMENT PROCESS BEFORE GALVANIZATION OF STEEL SHEETS DISTINGUISHED BY A PARTICULAR SILICON AND PHOSPHORUS CONTENT. - Google Patents

CHEMICAL PRE-TREATMENT PROCESS BEFORE GALVANIZATION OF STEEL SHEETS DISTINGUISHED BY A PARTICULAR SILICON AND PHOSPHORUS CONTENT.

Info

Publication number
FR2703366B1
FR2703366B1 FR9303842A FR9303842A FR2703366B1 FR 2703366 B1 FR2703366 B1 FR 2703366B1 FR 9303842 A FR9303842 A FR 9303842A FR 9303842 A FR9303842 A FR 9303842A FR 2703366 B1 FR2703366 B1 FR 2703366B1
Authority
FR
France
Prior art keywords
distinguished
treatment process
steel sheets
phosphorus content
process before
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 - Fee Related
Application number
FR9303842A
Other languages
French (fr)
Other versions
FR2703366A1 (en
Inventor
Thierry Schmitz
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.)
Electro Recherche SARL
Original Assignee
Electro Recherche SARL
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 Electro Recherche SARL filed Critical Electro Recherche SARL
Priority to FR9303842A priority Critical patent/FR2703366B1/en
Publication of FR2703366A1 publication Critical patent/FR2703366A1/en
Application granted granted Critical
Publication of FR2703366B1 publication Critical patent/FR2703366B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • C25D5/34—Pretreatment of metallic surfaces to be electroplated
    • C25D5/36—Pretreatment of metallic surfaces to be electroplated of iron or steel
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Electrochemistry (AREA)
  • Coating With Molten Metal (AREA)
  • Chemically Coating (AREA)
FR9303842A 1993-04-01 1993-04-01 CHEMICAL PRE-TREATMENT PROCESS BEFORE GALVANIZATION OF STEEL SHEETS DISTINGUISHED BY A PARTICULAR SILICON AND PHOSPHORUS CONTENT. Expired - Fee Related FR2703366B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9303842A FR2703366B1 (en) 1993-04-01 1993-04-01 CHEMICAL PRE-TREATMENT PROCESS BEFORE GALVANIZATION OF STEEL SHEETS DISTINGUISHED BY A PARTICULAR SILICON AND PHOSPHORUS CONTENT.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9303842A FR2703366B1 (en) 1993-04-01 1993-04-01 CHEMICAL PRE-TREATMENT PROCESS BEFORE GALVANIZATION OF STEEL SHEETS DISTINGUISHED BY A PARTICULAR SILICON AND PHOSPHORUS CONTENT.

Publications (2)

Publication Number Publication Date
FR2703366A1 FR2703366A1 (en) 1994-10-07
FR2703366B1 true FR2703366B1 (en) 1999-01-22

Family

ID=9445638

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9303842A Expired - Fee Related FR2703366B1 (en) 1993-04-01 1993-04-01 CHEMICAL PRE-TREATMENT PROCESS BEFORE GALVANIZATION OF STEEL SHEETS DISTINGUISHED BY A PARTICULAR SILICON AND PHOSPHORUS CONTENT.

Country Status (1)

Country Link
FR (1) FR2703366B1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB806405A (en) * 1960-04-13 1958-12-23 William Hill Fletcher Tickle Improvements in or relating to the coating of mild steel
FR2187940A1 (en) * 1972-06-09 1974-01-18 Imasa Electroless nickel plating concentrate - contg boric and citric acids
US4086149A (en) * 1976-08-04 1978-04-25 Ppg Industries, Inc. Cathode electrocatalyst

Also Published As

Publication number Publication date
FR2703366A1 (en) 1994-10-07

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Legal Events

Date Code Title Description
TP Transmission of property
CL Concession to grant licenses
CA Change of address
ST Notification of lapse

Effective date: 20121228