FR1260256A - Procédé de chromage de l'aluminium et autres métaux de base - Google Patents

Procédé de chromage de l'aluminium et autres métaux de base

Info

Publication number
FR1260256A
FR1260256A FR826108A FR826108A FR1260256A FR 1260256 A FR1260256 A FR 1260256A FR 826108 A FR826108 A FR 826108A FR 826108 A FR826108 A FR 826108A FR 1260256 A FR1260256 A FR 1260256A
Authority
FR
France
Prior art keywords
aluminum
plating process
chrome plating
base metals
metals
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
FR826108A
Other languages
English (en)
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.)
GEN DEV CORP
Original Assignee
GEN DEV CORP
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 US818302A external-priority patent/US3042592A/en
Application filed by GEN DEV CORP filed Critical GEN DEV CORP
Priority to FR826108A priority Critical patent/FR1260256A/fr
Application granted granted Critical
Publication of FR1260256A publication Critical patent/FR1260256A/fr
Expired 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
    • C25D5/42—Pretreatment of metallic surfaces to be electroplated of light metals
    • C25D5/44—Aluminium
    • 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
    • C25D5/615—Microstructure of the layers, e.g. mixed structure
    • C25D5/617—Crystalline 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)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
FR826108A 1959-06-05 1960-05-03 Procédé de chromage de l'aluminium et autres métaux de base Expired FR1260256A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR826108A FR1260256A (fr) 1959-06-05 1960-05-03 Procédé de chromage de l'aluminium et autres métaux de base

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US818302A US3042592A (en) 1959-06-05 1959-06-05 Power supply for chromium plating
US818329A US3232854A (en) 1959-06-05 1959-06-05 Chromium plating
DEG0028847 1960-01-20
FR826108A FR1260256A (fr) 1959-06-05 1960-05-03 Procédé de chromage de l'aluminium et autres métaux de base

Publications (1)

Publication Number Publication Date
FR1260256A true FR1260256A (fr) 1961-05-05

Family

ID=31721573

Family Applications (1)

Application Number Title Priority Date Filing Date
FR826108A Expired FR1260256A (fr) 1959-06-05 1960-05-03 Procédé de chromage de l'aluminium et autres métaux de base

Country Status (1)

Country Link
FR (1) FR1260256A (fr)

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