ZA935175B - Process for treating steel to minimize filiform corrosion - Google Patents

Process for treating steel to minimize filiform corrosion

Info

Publication number
ZA935175B
ZA935175B ZA935175A ZA935175A ZA935175B ZA 935175 B ZA935175 B ZA 935175B ZA 935175 A ZA935175 A ZA 935175A ZA 935175 A ZA935175 A ZA 935175A ZA 935175 B ZA935175 B ZA 935175B
Authority
ZA
South Africa
Prior art keywords
minimize
filiform corrosion
treating steel
treating
filiform
Prior art date
Application number
ZA935175A
Inventor
Thomas J Prescott
Ronald J Munch
Original Assignee
Henkel 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 Henkel Corp filed Critical Henkel Corp
Publication of ZA935175B publication Critical patent/ZA935175B/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
    • C23C22/78—Pretreatment of the material to be coated
    • 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
    • C23C22/73—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 characterised by the process
    • C23C22/74—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 characterised by the process for obtaining burned-in conversion coatings

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)
ZA935175A 1992-07-20 1993-07-16 Process for treating steel to minimize filiform corrosion ZA935175B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US91665692A 1992-07-20 1992-07-20

Publications (1)

Publication Number Publication Date
ZA935175B true ZA935175B (en) 1994-03-02

Family

ID=25437632

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA935175A ZA935175B (en) 1992-07-20 1993-07-16 Process for treating steel to minimize filiform corrosion

Country Status (6)

Country Link
CN (1) CN1084905A (en)
AU (1) AU4676993A (en)
MX (1) MX9304352A (en)
TW (1) TW232714B (en)
WO (1) WO1994002661A1 (en)
ZA (1) ZA935175B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6461449B1 (en) 1997-10-07 2002-10-08 Henkel Corporation Conversion coating zinciferous surfaces to resist blackening and white rust
JPH11106944A (en) * 1997-10-07 1999-04-20 Nippon Parkerizing Co Ltd Production of galvanized steel sheet excellent in blackening resistance and resistance against white rust

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3468724A (en) * 1966-03-31 1969-09-23 Amchem Prod Metal coating process
DE2100021A1 (en) * 1971-01-02 1972-09-07 Collardin Gmbh Gerhard Process for applying phosphate layers to steel, iron and zinc surfaces
US4647316A (en) * 1984-03-23 1987-03-03 Parker Chemical Company Metal base coating composition comprising chromium, silica and phosphate and process for coating metal therewith
JPH03226584A (en) * 1990-01-30 1991-10-07 Nippon Parkerizing Co Ltd Solution for surface-treating galvanized steel sheet and method therefor
AU652007B2 (en) * 1990-10-15 1994-08-11 Henkel Corporation Pretreatment for zinc and zinc alloy prior to chromating

Also Published As

Publication number Publication date
CN1084905A (en) 1994-04-06
WO1994002661A1 (en) 1994-02-03
AU4676993A (en) 1994-02-14
TW232714B (en) 1994-10-21
MX9304352A (en) 1994-04-29

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