IT993828B - PROCESS TO CHEMICALLY TREAT ALUMINUM SURFACES - Google Patents

PROCESS TO CHEMICALLY TREAT ALUMINUM SURFACES

Info

Publication number
IT993828B
IT993828B IT2836873A IT2836873A IT993828B IT 993828 B IT993828 B IT 993828B IT 2836873 A IT2836873 A IT 2836873A IT 2836873 A IT2836873 A IT 2836873A IT 993828 B IT993828 B IT 993828B
Authority
IT
Italy
Prior art keywords
aluminum surfaces
chemically treat
treat aluminum
chemically
treat
Prior art date
Application number
IT2836873A
Other languages
Italian (it)
Original Assignee
Metallgesellschaft Ag
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 Metallgesellschaft Ag filed Critical Metallgesellschaft Ag
Application granted granted Critical
Publication of IT993828B publication Critical patent/IT993828B/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
    • C23C22/06—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 aqueous acidic solutions with pH less than 6
    • C23C22/34—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 aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides
    • C23C22/37—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 aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides containing also hexavalent chromium compounds
    • 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
    • C23C22/06—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 aqueous acidic solutions with pH less than 6
    • C23C22/34—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 aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides
    • C23C22/37—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 aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides containing also hexavalent chromium compounds
    • C23C22/38—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 aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides containing also hexavalent chromium compounds containing also phosphates

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)
  • Chemical Treatment Of Metals (AREA)
IT2836873A 1972-08-31 1973-08-30 PROCESS TO CHEMICALLY TREAT ALUMINUM SURFACES IT993828B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722242908 DE2242908A1 (en) 1972-08-31 1972-08-31 METHOD FOR CHEMICAL SURFACE TREATMENT OF ALUMINUM

Publications (1)

Publication Number Publication Date
IT993828B true IT993828B (en) 1975-09-30

Family

ID=5855143

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2836873A IT993828B (en) 1972-08-31 1973-08-30 PROCESS TO CHEMICALLY TREAT ALUMINUM SURFACES

Country Status (6)

Country Link
BE (1) BE800404A (en)
DE (1) DE2242908A1 (en)
FR (1) FR2198001B1 (en)
GB (1) GB1376120A (en)
IT (1) IT993828B (en)
SE (1) SE385131B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2842941C3 (en) * 1978-10-02 1981-11-12 Basf Ag, 6700 Ludwigshafen Process for chromating aluminum substrates for magnetic storage disks
JPS6039169A (en) * 1983-08-12 1985-02-28 Nippon Light Metal Co Ltd Hydrophilic surface treating agent for metal
EP0516700B1 (en) * 1990-02-21 1994-07-27 Henkel Corporation Conversion treatment method and composition for aluminum and aluminum alloys
CN112683203B (en) * 2021-01-08 2021-12-07 山东创新精密科技有限公司 Method for detecting coarse crystal layer of aluminum alloy

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL109350C (en) * 1957-08-19 1900-01-01
FR2043646A1 (en) * 1969-05-24 1971-02-19 Parker Ste Continentale

Also Published As

Publication number Publication date
GB1376120A (en) 1974-12-04
FR2198001A1 (en) 1974-03-29
FR2198001B1 (en) 1976-11-12
DE2242908A1 (en) 1974-03-14
SE385131B (en) 1976-06-08
BE800404A (en) 1973-10-01

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