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FR2251635A1 - Aluminium alloy sheet for integral colour anodising - composition and treatment to provide controllable uniform colour - Google Patents

Aluminium alloy sheet for integral colour anodising - composition and treatment to provide controllable uniform colour

Info

Publication number
FR2251635A1
FR2251635A1 FR7341083A FR7341083A FR2251635A1 FR 2251635 A1 FR2251635 A1 FR 2251635A1 FR 7341083 A FR7341083 A FR 7341083A FR 7341083 A FR7341083 A FR 7341083A FR 2251635 A1 FR2251635 A1 FR 2251635A1
Authority
FR
France
Prior art keywords
colour
anodising
degrees
treatment
composition
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.)
Granted
Application number
FR7341083A
Other languages
French (fr)
Other versions
FR2251635B1 (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.)
Kaiser Aluminum and Chemical Corp
Original Assignee
Kaiser Aluminum and Chemical Corp
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 Kaiser Aluminum and Chemical Corp filed Critical Kaiser Aluminum and Chemical Corp
Priority to FR7341083A priority Critical patent/FR2251635A1/en
Publication of FR2251635A1 publication Critical patent/FR2251635A1/en
Application granted granted Critical
Publication of FR2251635B1 publication Critical patent/FR2251635B1/fr
Granted 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
    • C25D11/14—Producing integrally coloured layers
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C21/00—Alloys based on aluminium
    • C22C21/06—Alloys based on aluminium with magnesium as the next major constituent

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Mechanical Engineering (AREA)
  • Heat Treatment Of Steel (AREA)

Abstract

The alloy contains in wt. % 0.05 to 0.20 Si, 0.15-0.4 Fe, 0.15-0.3 Cu, 0.10-0.30 Mn, 0.6-1 Mg, 0.04-0.12 Cr, bal. Al, and is homogenised at 1000-1125 degrees F for 4 to 24 hrs after heating at 100 degrees F/hr. It is then hot rolled to sheet which will form an anodic film between 0.5 and 1.5 mils thick the colour of which may be varied between light gold and black by adjustment of operating parameters. After hot rolling the sheet may be cold rolled below 250 degrees F. Pref. for colour uniformity the soaking temp. of separate ingot batches should not vary by more than 30 degrees F.
FR7341083A 1973-11-19 1973-11-19 Aluminium alloy sheet for integral colour anodising - composition and treatment to provide controllable uniform colour Granted FR2251635A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7341083A FR2251635A1 (en) 1973-11-19 1973-11-19 Aluminium alloy sheet for integral colour anodising - composition and treatment to provide controllable uniform colour

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7341083A FR2251635A1 (en) 1973-11-19 1973-11-19 Aluminium alloy sheet for integral colour anodising - composition and treatment to provide controllable uniform colour

Publications (2)

Publication Number Publication Date
FR2251635A1 true FR2251635A1 (en) 1975-06-13
FR2251635B1 FR2251635B1 (en) 1977-08-12

Family

ID=9127925

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7341083A Granted FR2251635A1 (en) 1973-11-19 1973-11-19 Aluminium alloy sheet for integral colour anodising - composition and treatment to provide controllable uniform colour

Country Status (1)

Country Link
FR (1) FR2251635A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0315789A3 (en) * 1987-10-13 1989-05-24 Intevep Sa Corrosion resistant aluminium alloy and product made therefrom with uniformly grey, lightfast surface and process for its manufacture

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0315789A3 (en) * 1987-10-13 1989-05-24 Intevep Sa Corrosion resistant aluminium alloy and product made therefrom with uniformly grey, lightfast surface and process for its manufacture

Also Published As

Publication number Publication date
FR2251635B1 (en) 1977-08-12

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Legal Events

Date Code Title Description
ST Notification of lapse