CA956056A - Electroless chromium plating process - Google Patents

Electroless chromium plating process

Info

Publication number
CA956056A
CA956056A CA144,852A CA144852A CA956056A CA 956056 A CA956056 A CA 956056A CA 144852 A CA144852 A CA 144852A CA 956056 A CA956056 A CA 956056A
Authority
CA
Canada
Prior art keywords
plating process
chromium plating
electroless chromium
electroless
plating
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
Application number
CA144,852A
Other languages
English (en)
Other versions
CA144852S (en
Inventor
Karl H. Lindemann
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.)
Lindemann GmbH and Co KG
Original Assignee
Lindemann GmbH and Co KG
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
Priority claimed from DE19722202457 external-priority patent/DE2202457C3/de
Application filed by Lindemann GmbH and Co KG filed Critical Lindemann GmbH and Co KG
Application granted granted Critical
Publication of CA956056A publication Critical patent/CA956056A/en
Expired 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
    • C23C22/05—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
    • C23C22/26—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 organic compounds
    • C23C22/27—Acids

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)
  • Chemically Coating (AREA)
  • Chemical Treatment Of Metals (AREA)
CA144,852A 1972-01-19 1972-06-15 Electroless chromium plating process Expired CA956056A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722202457 DE2202457C3 (de) 1972-01-19 Verfahren zum Chromatieren von mit galvanischen Zinküberzügen versehenen Gegenständen

Publications (1)

Publication Number Publication Date
CA956056A true CA956056A (en) 1974-10-15

Family

ID=5833439

Family Applications (1)

Application Number Title Priority Date Filing Date
CA144,852A Expired CA956056A (en) 1972-01-19 1972-06-15 Electroless chromium plating process

Country Status (5)

Country Link
JP (1) JPS5427300B2 (sh)
CA (1) CA956056A (sh)
FR (1) FR2168273B1 (sh)
GB (1) GB1328938A (sh)
IT (1) IT955451B (sh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2400354C3 (de) * 1974-01-04 1982-04-29 Lindemann & Co GmbH, 6081 Geinsheim Wässrige saure Lösung zum Chrommatieren von Zinkoberflächen
US4548783A (en) * 1982-03-10 1985-10-22 General Electric Company Outlet plug for recirculation loop of nuclear reactor
ES8800493A1 (es) * 1983-05-26 1987-10-16 Gen Electric Un aparato para ser utilizado en una vasija de presion de un reactor nuclear

Also Published As

Publication number Publication date
GB1328938A (en) 1973-09-05
FR2168273B1 (sh) 1976-08-06
FR2168273A1 (sh) 1973-08-31
JPS4890938A (sh) 1973-11-27
DE2202457B2 (de) 1977-04-21
IT955451B (it) 1973-09-29
DE2202457A1 (de) 1973-07-26
JPS5427300B2 (sh) 1979-09-08

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