IT1177900B - Soluzione acquosa e procedimento per formare una pellicola di passivato di cromo su una superficie metallica ricettiva - Google Patents

Soluzione acquosa e procedimento per formare una pellicola di passivato di cromo su una superficie metallica ricettiva

Info

Publication number
IT1177900B
IT1177900B IT48574/84A IT4857484A IT1177900B IT 1177900 B IT1177900 B IT 1177900B IT 48574/84 A IT48574/84 A IT 48574/84A IT 4857484 A IT4857484 A IT 4857484A IT 1177900 B IT1177900 B IT 1177900B
Authority
IT
Italy
Prior art keywords
chrome
procedure
forming
metal surface
water solution
Prior art date
Application number
IT48574/84A
Other languages
English (en)
Other versions
IT8448574A0 (it
Inventor
David E Crotty
Original Assignee
Omi Int Corp
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 Omi Int Corp filed Critical Omi Int Corp
Publication of IT8448574A0 publication Critical patent/IT8448574A0/it
Application granted granted Critical
Publication of IT1177900B publication Critical patent/IT1177900B/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
    • C23C22/48—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 not containing phosphates, hexavalent chromium compounds, fluorides or complex fluorides, molybdates, tungstates, vanadates or oxalates
    • 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
    • C23C22/48—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 not containing phosphates, hexavalent chromium compounds, fluorides or complex fluorides, molybdates, tungstates, vanadates or oxalates
    • C23C22/53—Treatment of zinc or alloys based thereon
    • 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
    • C23C2222/00—Aspects relating to chemical surface treatment of metallic material by reaction of the surface with a reactive medium
    • C23C2222/10—Use of solutions containing trivalent chromium but free of 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)
  • Chemical Treatment Of Metals (AREA)
IT48574/84A 1983-07-19 1984-07-17 Soluzione acquosa e procedimento per formare una pellicola di passivato di cromo su una superficie metallica ricettiva IT1177900B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US51456983A 1983-07-19 1983-07-19

Publications (2)

Publication Number Publication Date
IT8448574A0 IT8448574A0 (it) 1984-07-17
IT1177900B true IT1177900B (it) 1987-08-26

Family

ID=24047766

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48574/84A IT1177900B (it) 1983-07-19 1984-07-17 Soluzione acquosa e procedimento per formare una pellicola di passivato di cromo su una superficie metallica ricettiva

Country Status (7)

Country Link
BR (1) BR8403535A (it)
CA (1) CA1236655A (it)
DE (1) DE3423990A1 (it)
ES (1) ES8606527A1 (it)
FR (1) FR2549498B1 (it)
GB (1) GB2144773B (it)
IT (1) IT1177900B (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8507181D0 (en) * 1985-03-20 1985-04-24 Omi International Benelux Bv Passivation
ES2053968T3 (es) * 1988-02-03 1994-08-01 British Petroleum Co Plc Un proceso para el tratamiento de una capa de oxido metalico, un proceso para unir un objeto metalico que comprende una capa de oxido metalico y una estructura producida de los mismos.
JPH0364485A (ja) * 1989-08-01 1991-03-19 Nippon Paint Co Ltd アルミニウム又はその合金の表面処理剤及び処理浴
US5192374A (en) * 1991-09-27 1993-03-09 Hughes Aircraft Company Chromium-free method and composition to protect aluminum
DE4135524C2 (de) * 1991-10-28 1995-01-26 Gc Galvano Consult Gmbh Verfahren und Mittel zum Chromatieren von Oberflächen aus Zink oder Cadmium oder Legierungen davon
US7314671B1 (en) 1996-04-19 2008-01-01 Surtec International Gmbh Chromium(VI)-free conversion layer and method for producing it
DE19615664A1 (de) 1996-04-19 1997-10-23 Surtec Produkte Und Systeme Fu Chrom(VI)freie Chromatschicht sowie Verfahren zu ihrer Herstellung
DE20109078U1 (de) 2001-05-31 2001-10-04 KS Gleitlager GmbH, 68789 St Leon-Rot Gleitlagerelement mit metallischer Stützschicht
US9315902B2 (en) 2008-09-29 2016-04-19 Yuken Industry Co., Ltd. Composition for chemical conversion treatment and method of manufacturing a member having a black film formed from the composition
EP2224037A1 (de) * 2009-02-13 2010-09-01 H.D. Lenzen Bandverzinkung GmbH & Co. KG Verfahren zur Passivierung von Metallsubstratbändern
BE1019633A3 (nl) * 2009-10-29 2012-09-04 Merksteijn Quality Wire Nv Van Werkwijze voor het vervaardigen van een gecoate metaal-draad.

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB740879A (en) * 1951-05-08 1955-11-23 Kaiser Aluminium Chem Corp Improvements in or relating to composition and process for the chemical brightening of aluminium
USRE26130E (en) * 1961-03-21 1966-12-27 Solution and method for brightening cadmium
SU427614A1 (ru) * 1971-10-05 1977-11-05 Ордена Трудового Красного Знамени Институт Химии И Химической Технологии Ан Литовской Сср Состав дл пассисировани цинка
US3932198A (en) * 1974-05-24 1976-01-13 Amchem Products, Inc. Coating solution having trivalent chromium and manganese for coating metal surfaces
US4126490A (en) * 1978-05-01 1978-11-21 Caterpillar Mitsubishi Ltd. Composition for forming chromate coating
JPS57500248A (it) * 1980-02-06 1982-02-12
CA1228000A (en) * 1981-04-16 1987-10-13 David E. Crotty Chromium appearance passivate solution and process

Also Published As

Publication number Publication date
GB8416831D0 (en) 1984-08-08
DE3423990A1 (de) 1985-01-31
ES8606527A1 (es) 1986-04-01
CA1236655A (en) 1988-05-17
FR2549498A1 (fr) 1985-01-25
FR2549498B1 (fr) 1993-08-20
BR8403535A (pt) 1985-06-25
GB2144773A (en) 1985-03-13
ES534394A0 (es) 1986-04-01
IT8448574A0 (it) 1984-07-17
GB2144773B (en) 1987-11-04

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Legal Events

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

Effective date: 19960729