GB1070685A - Improvements in or relating to electroplating with cracked chromium - Google Patents

Improvements in or relating to electroplating with cracked chromium

Info

Publication number
GB1070685A
GB1070685A GB28885/65A GB2888565A GB1070685A GB 1070685 A GB1070685 A GB 1070685A GB 28885/65 A GB28885/65 A GB 28885/65A GB 2888565 A GB2888565 A GB 2888565A GB 1070685 A GB1070685 A GB 1070685A
Authority
GB
United Kingdom
Prior art keywords
current density
fluoride
acid
sodium
sulphate
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
GB28885/65A
Other languages
English (en)
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.)
M&T Chemicals Inc
Original Assignee
M&T Chemicals Inc
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 M&T Chemicals Inc filed Critical M&T Chemicals Inc
Publication of GB1070685A publication Critical patent/GB1070685A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/18—Electroplating using modulated, pulsed or reversing current
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/60—Electroplating characterised by the structure or texture of the layers
    • C25D5/625—Discontinuous layers, e.g. microcracked layers
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/627—Electroplating characterised by the visual appearance of the layers, e.g. colour, brightness or mat appearance

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electroplating And Plating Baths Therefor (AREA)
  • Electroplating Methods And Accessories (AREA)
GB28885/65A 1964-07-20 1965-07-07 Improvements in or relating to electroplating with cracked chromium Expired GB1070685A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US383711A US3340165A (en) 1964-07-20 1964-07-20 Method of electroplating microcrack chromium

Publications (1)

Publication Number Publication Date
GB1070685A true GB1070685A (en) 1967-06-01

Family

ID=23514362

Family Applications (1)

Application Number Title Priority Date Filing Date
GB28885/65A Expired GB1070685A (en) 1964-07-20 1965-07-07 Improvements in or relating to electroplating with cracked chromium

Country Status (7)

Country Link
US (1) US3340165A (de)
CH (1) CH485860A (de)
DE (1) DE1496914A1 (de)
ES (1) ES315362A1 (de)
GB (1) GB1070685A (de)
NL (1) NL6509384A (de)
SE (1) SE312960B (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3514380A (en) * 1967-02-17 1970-05-26 Kewanee Oil Co Chromium plating from a fluosilicate type bath containing sodium,ammonium and/or magnesium ions
GB1289117A (de) * 1969-10-10 1972-09-13
US3909404A (en) * 1973-02-26 1975-09-30 Oxy Metal Industries Corp Composition and process for electrodepositing a black chromium deposit

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA645535A (en) * 1962-07-24 P. Durham Rollie Chromium plating
US2547120A (en) * 1945-10-23 1951-04-03 Bendix Aviat Corp Process for plating a carbon or graphite part with chromium
US2800438A (en) * 1955-07-26 1957-07-23 Metal & Thermit Corp Chromium plating

Also Published As

Publication number Publication date
ES315362A1 (es) 1967-02-01
NL6509384A (de) 1966-01-21
US3340165A (en) 1967-09-05
SE312960B (de) 1969-07-28
DE1496914A1 (de) 1969-08-14
CH485860A (de) 1970-02-15

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