CH175366A - Process for the production of corrosion-resistant oxidic layers on aluminum and its alloys. - Google Patents

Process for the production of corrosion-resistant oxidic layers on aluminum and its alloys.

Info

Publication number
CH175366A
CH175366A CH175366DA CH175366A CH 175366 A CH175366 A CH 175366A CH 175366D A CH175366D A CH 175366DA CH 175366 A CH175366 A CH 175366A
Authority
CH
Switzerland
Prior art keywords
alloys
corrosion
aluminum
production
oxidic layers
Prior art date
Application number
Other languages
German (de)
Inventor
Peintal S A
Original Assignee
Peintal S A
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 Peintal S A filed Critical Peintal S A
Publication of CH175366A publication Critical patent/CH175366A/en

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)
CH175366D 1934-04-25 1934-04-25 Process for the production of corrosion-resistant oxidic layers on aluminum and its alloys. CH175366A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH788875X 1934-04-25

Publications (1)

Publication Number Publication Date
CH175366A true CH175366A (en) 1935-02-28

Family

ID=4536803

Family Applications (1)

Application Number Title Priority Date Filing Date
CH175366D CH175366A (en) 1934-04-25 1934-04-25 Process for the production of corrosion-resistant oxidic layers on aluminum and its alloys.

Country Status (2)

Country Link
CH (1) CH175366A (en)
FR (1) FR788875A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE741337C (en) * 1941-04-03 1943-11-10 Vaw Ver Aluminium Werke Ag Process for the production of crystal clear and colorless oxide layers on aluminum and aluminum alloys
DE745704C (en) * 1941-04-18 1944-12-06 Process for the production of clear and colorless oxide layers on aluminum and its alloys
DE838376C (en) * 1942-07-11 1952-05-08 Wieland Werke Ag Bath for artificial aging of metallic materials

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE741337C (en) * 1941-04-03 1943-11-10 Vaw Ver Aluminium Werke Ag Process for the production of crystal clear and colorless oxide layers on aluminum and aluminum alloys
DE745704C (en) * 1941-04-18 1944-12-06 Process for the production of clear and colorless oxide layers on aluminum and its alloys
DE838376C (en) * 1942-07-11 1952-05-08 Wieland Werke Ag Bath for artificial aging of metallic materials

Also Published As

Publication number Publication date
FR788875A (en) 1935-10-18

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