GB484492A - An improved process for electrolytically oxidising aluminium and aluminium alloys by means of alternating current - Google Patents

An improved process for electrolytically oxidising aluminium and aluminium alloys by means of alternating current

Info

Publication number
GB484492A
GB484492A GB30194/36A GB3019436A GB484492A GB 484492 A GB484492 A GB 484492A GB 30194/36 A GB30194/36 A GB 30194/36A GB 3019436 A GB3019436 A GB 3019436A GB 484492 A GB484492 A GB 484492A
Authority
GB
United Kingdom
Prior art keywords
aluminium
alloys
articles
alternating current
nov
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
GB30194/36A
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.)
Vereinigte Aluminium Werke AG
Original Assignee
Vereinigte Aluminium Werke 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 Vereinigte Aluminium Werke AG filed Critical Vereinigte Aluminium Werke AG
Publication of GB484492A publication Critical patent/GB484492A/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
    • C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/02—Anodisation
    • C25D11/04—Anodisation of aluminium or alloys based thereon
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/02—Anodisation
    • C25D11/024—Anodisation under pulsed or modulated current or potential
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/02—Anodisation
    • C25D11/04—Anodisation of aluminium or alloys based thereon
    • C25D11/06—Anodisation of aluminium or alloys based thereon characterised by the electrolytes used
    • C25D11/10—Anodisation of aluminium or alloys based thereon characterised by the electrolytes used containing organic acids

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)
GB30194/36A 1935-11-05 1936-11-05 An improved process for electrolytically oxidising aluminium and aluminium alloys by means of alternating current Expired GB484492A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE484492X 1935-11-05

Publications (1)

Publication Number Publication Date
GB484492A true GB484492A (en) 1938-05-05

Family

ID=6543135

Family Applications (1)

Application Number Title Priority Date Filing Date
GB30194/36A Expired GB484492A (en) 1935-11-05 1936-11-05 An improved process for electrolytically oxidising aluminium and aluminium alloys by means of alternating current

Country Status (4)

Country Link
BE (1) BE418201A (enrdf_load_stackoverflow)
FR (1) FR812797A (enrdf_load_stackoverflow)
GB (1) GB484492A (enrdf_load_stackoverflow)
NL (1) NL45300C (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2495941A (en) * 1946-12-18 1950-01-31 Reynolds Metals Co Electroplating copper on aluminum
US2901412A (en) * 1955-12-09 1959-08-25 Reynolds Metals Co Apparatus for anodizing aluminum surfaces

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2495941A (en) * 1946-12-18 1950-01-31 Reynolds Metals Co Electroplating copper on aluminum
US2901412A (en) * 1955-12-09 1959-08-25 Reynolds Metals Co Apparatus for anodizing aluminum surfaces

Also Published As

Publication number Publication date
FR812797A (fr) 1937-05-18
NL45300C (enrdf_load_stackoverflow)
BE418201A (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
GB442902A (en) Process for producing porous oxide layers on aluminium and aluminium alloys for photographic purposes
GB436154A (en) Improvements in or relating to the production of bright aluminium surfaces
GB484492A (en) An improved process for electrolytically oxidising aluminium and aluminium alloys by means of alternating current
GB458940A (en) Improvements in or relating to the production of coatings of tin or tin alloys on metal articles
GB631364A (en) Improvements relating to surface ornamentation of aluminium and aluminium alloy articles
GB472996A (en) Improvements in or relating to the electrodeposition of zinc
GB305458A (enrdf_load_stackoverflow)
GB374806A (en) Improvements in the production of oxide coatings on aluminium and its alloys
CH202238A (de) Verfahren zur Herstellung von Zellenrahmen für Elektrolyseure mit bipolaren, ohne metallische Stromzuführung hintereinander geschalteten Elektroden.
GB385763A (en) Improvements in and relating to the treatment of oxide coatings on aluminium and aluminium alloys
GB292131A (en) Process for preventing the occurrence of excess voltages in electrolytic cells for the electrolysis of water
GB763549A (en) Improvements in or relating to process for producing a protective coating by oxidation on a surface of an article predominatly of aluminum
SU498368A1 (ru) Способ электролитического получени магни
Povetkin et al. Structure of Electrodeposited Fe-Co Alloys
GB365815A (en) Improvements in or relating to anodes for electrolysis
GB631467A (en) Process for the electrolytic oxidation of aluminium and its alloys by means of alternating current
Tominaga Anodic Oxidation of Aluminum
GB386201A (en) Improvements in and relating to the production of oxidic layers on aluminium, aluminium alloys and objects constructed thereof
GB369059A (en) Improvements in the production of friction-resisting surfaces in bearings, guide-members and the like made of aluminium or aluminium alloys
ES431704A1 (es) Procedimiento para el tenido electrolitico del aluminio.
GB629042A (en) Production of pinacols and pinacolines
GB513837A (en) Improvements in or relating to the electrolytic production of oxide-containing coatings on aluminium-free magnesium alloys
JPS5524947A (en) Formation of nontransparent anodic oxide film in aluminium-clad material
GB370704A (en) Improved manufacture of sheet iron by electrolysis
GB834714A (en) Improvements in or relating to anodising aluminium and its alloys