IT9022086A0 - Composizione acquosa esenteda cromo per il trattamento superficiale anticorrosione di alluminio e sue leghe. - Google Patents

Composizione acquosa esenteda cromo per il trattamento superficiale anticorrosione di alluminio e sue leghe.

Info

Publication number
IT9022086A0
IT9022086A0 IT9022086A IT2208690A IT9022086A0 IT 9022086 A0 IT9022086 A0 IT 9022086A0 IT 9022086 A IT9022086 A IT 9022086A IT 2208690 A IT2208690 A IT 2208690A IT 9022086 A0 IT9022086 A0 IT 9022086A0
Authority
IT
Italy
Prior art keywords
chrome
alloys
aluminum
surface treatment
aqueous composition
Prior art date
Application number
IT9022086A
Other languages
English (en)
Other versions
IT9022086A1 (it
IT1245852B (it
Inventor
Bruno Cerno'
Ernesto Caldana
Marco Bianchi
Original Assignee
Itb Srl
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 Itb Srl filed Critical Itb Srl
Priority to IT02208690A priority Critical patent/IT1245852B/it
Publication of IT9022086A0 publication Critical patent/IT9022086A0/it
Publication of IT9022086A1 publication Critical patent/IT9022086A1/it
Application granted granted Critical
Publication of IT1245852B publication Critical patent/IT1245852B/it

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
    • C23C22/40—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 molybdates, tungstates or vanadates
    • C23C22/44—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 molybdates, tungstates or vanadates containing also fluorides or complex fluorides

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)
  • Paints Or Removers (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
IT02208690A 1990-11-16 1990-11-16 Composizione acquosa esente da cromo per il trattamento superficiale anticorrosione di alluminio e sue leghe IT1245852B (it)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT02208690A IT1245852B (it) 1990-11-16 1990-11-16 Composizione acquosa esente da cromo per il trattamento superficiale anticorrosione di alluminio e sue leghe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT02208690A IT1245852B (it) 1990-11-16 1990-11-16 Composizione acquosa esente da cromo per il trattamento superficiale anticorrosione di alluminio e sue leghe

Publications (3)

Publication Number Publication Date
IT9022086A0 true IT9022086A0 (it) 1990-11-16
IT9022086A1 IT9022086A1 (it) 1992-05-17
IT1245852B IT1245852B (it) 1994-10-25

Family

ID=11191299

Family Applications (1)

Application Number Title Priority Date Filing Date
IT02208690A IT1245852B (it) 1990-11-16 1990-11-16 Composizione acquosa esente da cromo per il trattamento superficiale anticorrosione di alluminio e sue leghe

Country Status (1)

Country Link
IT (1) IT1245852B (it)

Also Published As

Publication number Publication date
IT9022086A1 (it) 1992-05-17
IT1245852B (it) 1994-10-25

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19971128