FR52580E - Process for the formation of protective layers on aluminum or aluminum alloys, in particular aluminum and copper alloys - Google Patents

Process for the formation of protective layers on aluminum or aluminum alloys, in particular aluminum and copper alloys

Info

Publication number
FR52580E
FR52580E FR52580DA FR52580E FR 52580 E FR52580 E FR 52580E FR 52580D A FR52580D A FR 52580DA FR 52580 E FR52580 E FR 52580E
Authority
FR
France
Prior art keywords
aluminum
alloys
formation
protective layers
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 FR52580E publication Critical patent/FR52580E/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)
FR52580D 1942-10-28 1942-10-28 Process for the formation of protective layers on aluminum or aluminum alloys, in particular aluminum and copper alloys Expired FR52580E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR52580T 1942-10-28

Publications (1)

Publication Number Publication Date
FR52580E true FR52580E (en) 1945-04-30

Family

ID=8687228

Family Applications (1)

Application Number Title Priority Date Filing Date
FR52580D Expired FR52580E (en) 1942-10-28 1942-10-28 Process for the formation of protective layers on aluminum or aluminum alloys, in particular aluminum and copper alloys

Country Status (1)

Country Link
FR (1) FR52580E (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114481111A (en) * 2022-01-18 2022-05-13 深圳市飞航精工科技有限公司 Rainbow color conductive oxidation method and oxidation liquid

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114481111A (en) * 2022-01-18 2022-05-13 深圳市飞航精工科技有限公司 Rainbow color conductive oxidation method and oxidation liquid
CN114481111B (en) * 2022-01-18 2023-09-29 深圳市飞航精工科技有限公司 Iridescent conductive oxidation method and oxidation liquid

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