JPH0541707B2 - - Google Patents

Info

Publication number
JPH0541707B2
JPH0541707B2 JP33275987A JP33275987A JPH0541707B2 JP H0541707 B2 JPH0541707 B2 JP H0541707B2 JP 33275987 A JP33275987 A JP 33275987A JP 33275987 A JP33275987 A JP 33275987A JP H0541707 B2 JPH0541707 B2 JP H0541707B2
Authority
JP
Japan
Prior art keywords
layer
organic resin
phosphoric acid
chromic anhydride
colloidal silica
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 - Fee Related
Application number
JP33275987A
Other languages
English (en)
Japanese (ja)
Other versions
JPH01177378A (ja
Inventor
Masato Nakazawa
Minoru Komeno
Katsushi Saito
Jujiro Myauchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Steel Corp
Original Assignee
Nippon Steel 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 Nippon Steel Corp filed Critical Nippon Steel Corp
Priority to JP33275987A priority Critical patent/JPH01177378A/ja
Publication of JPH01177378A publication Critical patent/JPH01177378A/ja
Publication of JPH0541707B2 publication Critical patent/JPH0541707B2/ja
Granted 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
    • C23C22/82—After-treatment
    • C23C22/83—Chemical after-treatment
    • 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
    • C23C22/24—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 hexavalent chromium compounds
    • C23C22/33—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 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)
JP33275987A 1987-12-30 1987-12-30 クロメート処理鋼板 Granted JPH01177378A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP33275987A JPH01177378A (ja) 1987-12-30 1987-12-30 クロメート処理鋼板

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP33275987A JPH01177378A (ja) 1987-12-30 1987-12-30 クロメート処理鋼板

Publications (2)

Publication Number Publication Date
JPH01177378A JPH01177378A (ja) 1989-07-13
JPH0541707B2 true JPH0541707B2 (enrdf_load_stackoverflow) 1993-06-24

Family

ID=18258527

Family Applications (1)

Application Number Title Priority Date Filing Date
JP33275987A Granted JPH01177378A (ja) 1987-12-30 1987-12-30 クロメート処理鋼板

Country Status (1)

Country Link
JP (1) JPH01177378A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3931371A1 (en) * 2019-02-28 2022-01-05 ATOTECH Deutschland GmbH Aqueous post treatment composition and method for corrosion protection

Also Published As

Publication number Publication date
JPH01177378A (ja) 1989-07-13

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees