FR2698888B1 - Procédé de chromage de pièces de frottement. - Google Patents

Procédé de chromage de pièces de frottement.

Info

Publication number
FR2698888B1
FR2698888B1 FR9214699A FR9214699A FR2698888B1 FR 2698888 B1 FR2698888 B1 FR 2698888B1 FR 9214699 A FR9214699 A FR 9214699A FR 9214699 A FR9214699 A FR 9214699A FR 2698888 B1 FR2698888 B1 FR 2698888B1
Authority
FR
France
Prior art keywords
chroming
friction parts
friction
parts
chroming friction
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
FR9214699A
Other languages
English (en)
Other versions
FR2698888A1 (fr
Inventor
Bernard Sutter
Gerard Vasseur
Jean Reby
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.)
Centre Technique des Industries Mecaniques CETIM
Original Assignee
Centre Technique des Industries Mecaniques CETIM
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 Centre Technique des Industries Mecaniques CETIM filed Critical Centre Technique des Industries Mecaniques CETIM
Priority to FR9214699A priority Critical patent/FR2698888B1/fr
Priority to PCT/FR1993/001125 priority patent/WO1994013864A1/fr
Priority to MX9307677A priority patent/MX9307677A/es
Publication of FR2698888A1 publication Critical patent/FR2698888A1/fr
Application granted granted Critical
Publication of FR2698888B1 publication Critical patent/FR2698888B1/fr
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
    • C25D3/00—Electroplating: Baths therefor
    • C25D3/02—Electroplating: Baths therefor from solutions
    • C25D3/04—Electroplating: Baths therefor from solutions of chromium
    • 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
    • C25D5/60—Electroplating characterised by the structure or texture of the layers
    • C25D5/605—Surface topography of the layers, e.g. rough, dendritic or nodular 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
    • C25D5/605—Surface topography of the layers, e.g. rough, dendritic or nodular layers
    • C25D5/611—Smooth 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
    • C25D5/615—Microstructure of the layers, e.g. mixed structure
    • C25D5/617—Crystalline layers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Electroplating Methods And Accessories (AREA)
FR9214699A 1992-12-07 1992-12-07 Procédé de chromage de pièces de frottement. Expired - Fee Related FR2698888B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR9214699A FR2698888B1 (fr) 1992-12-07 1992-12-07 Procédé de chromage de pièces de frottement.
PCT/FR1993/001125 WO1994013864A1 (fr) 1992-12-07 1993-11-17 Procede de chromage de pieces de frottement
MX9307677A MX9307677A (es) 1992-12-07 1993-12-06 Procedimiento de cromado de piezas de frotamiento.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9214699A FR2698888B1 (fr) 1992-12-07 1992-12-07 Procédé de chromage de pièces de frottement.

Publications (2)

Publication Number Publication Date
FR2698888A1 FR2698888A1 (fr) 1994-06-10
FR2698888B1 true FR2698888B1 (fr) 1995-02-10

Family

ID=9436288

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9214699A Expired - Fee Related FR2698888B1 (fr) 1992-12-07 1992-12-07 Procédé de chromage de pièces de frottement.

Country Status (3)

Country Link
FR (1) FR2698888B1 (fr)
MX (1) MX9307677A (fr)
WO (1) WO1994013864A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19713566C2 (de) * 1997-04-02 1999-11-18 Daimler Chrysler Ag Verfahren zum Herstellen eines Formwerkzeugs, Vorrichtung zum Schäumen von Formschaumteilen sowie Verfahren zum Herstellen eines Formwerkzeugs
US7011067B2 (en) * 2002-08-19 2006-03-14 Trw Chrome plated engine valve
US20050067790A1 (en) * 2003-09-26 2005-03-31 Smith Thomas J. Piston ring having chromium coating

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2586711B1 (fr) * 1985-09-03 1989-10-06 Centre Techn Ind Mecanique Procede et installation de chromage electrolytique

Also Published As

Publication number Publication date
WO1994013864A1 (fr) 1994-06-23
MX9307677A (es) 1994-06-30
FR2698888A1 (fr) 1994-06-10

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Legal Events

Date Code Title Description
ST Notification of lapse