GB586542A - Improvements in or relating to the protective surface treatment of cadmium, cadmium-coated and cadmium alloy articles - Google Patents

Improvements in or relating to the protective surface treatment of cadmium, cadmium-coated and cadmium alloy articles

Info

Publication number
GB586542A
GB586542A GB2514744A GB2514744A GB586542A GB 586542 A GB586542 A GB 586542A GB 2514744 A GB2514744 A GB 2514744A GB 2514744 A GB2514744 A GB 2514744A GB 586542 A GB586542 A GB 586542A
Authority
GB
United Kingdom
Prior art keywords
cadmium
coated
protective surface
relating
surface treatment
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
GB2514744A
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.)
J V RUSHTON LONDON Ltd
Original Assignee
J V RUSHTON LONDON Ltd
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 J V RUSHTON LONDON Ltd filed Critical J V RUSHTON LONDON Ltd
Priority to GB2514744A priority Critical patent/GB586542A/en
Publication of GB586542A publication Critical patent/GB586542A/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
    • C23C22/30—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 trivalent 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)

Abstract

Protective surface films are produced on articles made of, or coated with, cadmium and cadmium alloys by the process described in the parent Specification, the materials used for producing the treating solutions also being the same as those set out in the parent Specification. Cadmium alloys containing not less than 85 per cent. of cadmium, the remainder copper and/or aluminium are referred to.
GB2514744A 1944-12-14 1944-12-14 Improvements in or relating to the protective surface treatment of cadmium, cadmium-coated and cadmium alloy articles Expired GB586542A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2514744A GB586542A (en) 1944-12-14 1944-12-14 Improvements in or relating to the protective surface treatment of cadmium, cadmium-coated and cadmium alloy articles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2514744A GB586542A (en) 1944-12-14 1944-12-14 Improvements in or relating to the protective surface treatment of cadmium, cadmium-coated and cadmium alloy articles

Publications (1)

Publication Number Publication Date
GB586542A true GB586542A (en) 1947-03-21

Family

ID=10222984

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2514744A Expired GB586542A (en) 1944-12-14 1944-12-14 Improvements in or relating to the protective surface treatment of cadmium, cadmium-coated and cadmium alloy articles

Country Status (1)

Country Link
GB (1) GB586542A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3298876A (en) * 1963-09-09 1967-01-17 R O Hull & Company Inc Process and composition for forming clear protective coatings on cadmium metal surfaces

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3298876A (en) * 1963-09-09 1967-01-17 R O Hull & Company Inc Process and composition for forming clear protective coatings on cadmium metal surfaces

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