Corrosion: Fundamentals, Testing, and Protection
Anodizing is one of the most common surface treatments of aluminum and is performed for corrosion protection. This article describes the structure and growth characteristics of the types of anodic oxide films such as a barrier-type oxide film and a porous-type anodic oxide film. It discusses each step involved in the anodizing process of an aluminum or aluminum alloy specimen. The anodizing process includes pretreatments (degreasing, etching, and polishing), anodizing, coloring, and sealing. The article provides an observation of the morphology of the anodic oxide films by transmission electron microscopy and the scanning electron microscopy for testing properties of anodic oxide films.
Hideaki Takahashi, Aluminum Anodizing, Corrosion: Fundamentals, Testing, and Protection, Vol 13A, ASM Handbook, Edited By Stephen D. Cramer, Bernard S. Covino, Jr., ASM International, 2003, p 736–740, https://doi.org/10.31399/asm.hb.v13a.a0003680
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