Aluminum Anodizing

Aluminum Anodizing by AACOA, Inc.

[object Object],[object Object],[object Object],[object Object],What is Anodizing? It is an electrochemical oxidation of the aluminum surface to produce a stable film of aluminum oxide (Al 2 O 3 ).

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Anodic Coating Properties

Common Process Steps 1. Racking 2. Cleaning 3. Etching 4. Desmutting 5. Anodizing 6. Coloring 7. Sealing 8. Unracking 9. Packing 10. Lab Testing

Racking ,[object Object],[object Object],[object Object]

Clean, Etch, and Desmut ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Anodizing ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Cross Sectional View of a Dyed and Sealed Anodic Film Aluminum substrate Non-hydrated anodic coating Hydrated anodic coating Ni(OH) 2 precipitate, absorbed dye, & hydrated coating

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Types of Anodic Finish

Clear Anodic Finish ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Hardcoat Anodic Finish ,[object Object],[object Object],[object Object],[object Object],[object Object]

Dyed Anodic Finish ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Electrolytic (2-Step) Color ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Sealing ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Unracking and Packing ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Laboratory Testing ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Advantages of Anodizing ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Maintenance Anodizing: The Renewable Finish ,[object Object],[object Object]

Metallurgical Factors ,[object Object],[object Object],[object Object],[object Object],[object Object]

Specifying Anodizing ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

AACOA, Inc. Anodizing Facility 2551 C.R. 10 W. Elkhart, IN 46514 Phone: 574.262.4685 Fax: 574.262.3439 www.aacoa.com Extrusion Facility 2005 Mayflower Road Niles, MI 49120 Phone: 269.697.6063 Fax: 269.697.6061

Aluminum Anodizing

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Aluminum Anodizing