GB684456A - Method of producing hard chromium platings on light metals - Google Patents

Method of producing hard chromium platings on light metals

Info

Publication number
GB684456A
GB684456A GB6676/51A GB667651A GB684456A GB 684456 A GB684456 A GB 684456A GB 6676/51 A GB6676/51 A GB 6676/51A GB 667651 A GB667651 A GB 667651A GB 684456 A GB684456 A GB 684456A
Authority
GB
United Kingdom
Prior art keywords
hard chromium
light metals
producing hard
chromium platings
platings
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
GB6676/51A
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.)
GEA Group AG
Original Assignee
Metallgesellschaft AG
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 Metallgesellschaft AG filed Critical Metallgesellschaft AG
Publication of GB684456A publication Critical patent/GB684456A/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
    • C25D5/34—Pretreatment of metallic surfaces to be electroplated
    • C25D5/42—Pretreatment of metallic surfaces to be electroplated of light metals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electroplating Methods And Accessories (AREA)

Abstract

The surface of an aluminium or aluminium alloy article before being electroplated with hard chromium (see Group XXXVI) is pickled in solution containing ferrous or ferric chloride or nickel chloride containing in addition complex compounds of boron and fluorine.
GB6676/51A 1950-06-16 1951-03-20 Method of producing hard chromium platings on light metals Expired GB684456A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEM4242A DE873478C (en) 1950-06-16 1950-06-16 Process for applying hard chrome layers to light metal

Publications (1)

Publication Number Publication Date
GB684456A true GB684456A (en) 1952-12-17

Family

ID=6597615

Family Applications (1)

Application Number Title Priority Date Filing Date
GB6676/51A Expired GB684456A (en) 1950-06-16 1951-03-20 Method of producing hard chromium platings on light metals

Country Status (4)

Country Link
US (1) US2702785A (en)
DE (1) DE873478C (en)
FR (1) FR1042768A (en)
GB (1) GB684456A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2873154A (en) * 1954-01-04 1959-02-10 Harold F Marker Piston packing rings and method of producing same
US3634207A (en) * 1969-09-04 1972-01-11 Us Navy Nickel etching and plating bath
US4157941A (en) * 1977-06-03 1979-06-12 Ford Motor Company Method of adherency of electrodeposits on light weight metals
US4159229A (en) * 1977-06-03 1979-06-26 Ford Motor Company Method of plating light weight metal to enhance lateral corrosion resistance
US5456818A (en) * 1993-11-03 1995-10-10 Ingersoll-Rand Company Method for preventing fretting and galling in a polygon coupling

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB258724A (en) * 1925-09-04 1926-09-30 Clement Loftus Long Improved process for the electro-deposition of chromium
US2091386A (en) * 1935-08-01 1937-08-31 Eaton Detroit Metal Company Electroplating
FR819595A (en) * 1936-04-07 1937-10-21 Finckh G M B H D Process for obtaining hard surfaces on aluminum and aluminum alloys by chromium plating
US2327676A (en) * 1940-01-09 1943-08-24 Repel Corp Du Plating process

Also Published As

Publication number Publication date
US2702785A (en) 1955-02-22
FR1042768A (en) 1953-11-03
DE873478C (en) 1953-04-13

Similar Documents

Publication Publication Date Title
GB366813A (en) Improvements in or relating to electrolytes and amalgamating baths for the production of metallic coatings
GB684456A (en) Method of producing hard chromium platings on light metals
GB632100A (en) Improvements in or relating to the production of protective coatings on metal
NL7403683A (en) Electrodepositing black chromium
GB615110A (en) Improvements in and relating to cleaning and electro-plating processes
GB693292A (en) Improvements in methods of forming diffusion superficial alloys, in particular of chromium
GB815572A (en) Improvements in or relating to the electrolytic treatment of metallic surfaces
FR1235703A (en) Improvements in surface electroplating treatments of ferrous metals
ES407226A1 (en) Method of pretreating bands and sheets of steel for one-layer enameling, and electrolytic bath for use in connection therewith
GB712922A (en) Improvements in method of and material for treating metal surfaces to improve corrosion-resistance and paint-bonding ability
GB741041A (en) Improvements in methods of forming protective metallic layers, in particular of chromium, on metal pieces
GB672367A (en) Improvements in or relating to the production of phosphate coatings on metals
ES202528A1 (en) Procedure for the obtaining of a product intended to harden and color by anodization aluminum taps and other objects of the same metal and its alloys (Machine-translation by Google Translate, not legally binding)
GB593762A (en) Improvements in or relating to processes for covering the surface of aluminium or aluminium alloy articles with an adherent metallic coating
ES197497A1 (en) PROCEDURE FOR SIMULTANEOUS POLISHING AND POLISHING COPPER OBJECTS AND ITS ALLOYS
GB1048994A (en) A process for soft chromium plating of metal objects
GB696261A (en) Improvements in or relating to hot dip galvanizing with the use of alloys
GB600956A (en) Improvements in or relating to the production of engraved metal surfaces
ES334692A1 (en) A procedure for enameling objects based on iron and iron alloys in poor carbon. (Machine-translation by Google Translate, not legally binding)
GB275828A (en) Process for producing metal coatings on articles of aluminium and aluminium alloys
ES343839A1 (en) Procedure for the previous treatment of poor carbon steel for direct enameling. (Machine-translation by Google Translate, not legally binding)
GB1059634A (en) The pickling of stainless steels and iron alloys with a high chromium content
GB807730A (en) Process for maintaining the efficiency of phosphatising baths at room temperature
GB571307A (en) Improvements relating to protective treatment for metal surfaces
GB652794A (en) Improvements in or relating to the coating of metals with metals by dipping