FR883393A - Process for forming protective layers on aluminum or aluminum alloys, in particular aluminum and copper alloys - Google Patents

Process for forming protective layers on aluminum or aluminum alloys, in particular aluminum and copper alloys

Info

Publication number
FR883393A
FR883393A FR883393DA FR883393A FR 883393 A FR883393 A FR 883393A FR 883393D A FR883393D A FR 883393DA FR 883393 A FR883393 A FR 883393A
Authority
FR
France
Prior art keywords
aluminum
alloys
protective layers
forming protective
copper alloys
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
Other languages
French (fr)
Inventor
Rudolf Zuleger
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 filed Critical
Application granted granted Critical
Publication of FR883393A publication Critical patent/FR883393A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
    • C23C22/60—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using alkaline aqueous solutions with pH greater than 8
    • C23C22/66—Treatment of aluminium or alloys based thereon
    • C23C22/67—Treatment of aluminium or alloys based thereon with solutions containing hexavalent chromium

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
FR883393D 1941-06-19 1942-06-19 Process for forming protective layers on aluminum or aluminum alloys, in particular aluminum and copper alloys Expired FR883393A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE232902X 1941-06-19

Publications (1)

Publication Number Publication Date
FR883393A true FR883393A (en) 1943-07-02

Family

ID=5883314

Family Applications (1)

Application Number Title Priority Date Filing Date
FR883393D Expired FR883393A (en) 1941-06-19 1942-06-19 Process for forming protective layers on aluminum or aluminum alloys, in particular aluminum and copper alloys

Country Status (3)

Country Link
BE (1) BE445954A (en)
CH (1) CH232902A (en)
FR (1) FR883393A (en)

Also Published As

Publication number Publication date
BE445954A (en)
CH232902A (en) 1944-06-30

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