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ASM Handbook

Aluminum Science and Technology

Edited by
Kevin Anderson, FASM
Kevin Anderson, FASM
Mercury Marine
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John Weritz
John Weritz
Aluminum Association
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J. Gilbert Kaufman, FASM
J. Gilbert Kaufman, FASM
Kaufman Associates
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ASM International
Volume
2A
ISBN electronic:
978-1-62708-207-5
Publication date:
2018
Book Chapter

Anodizing

By
Jude Mary Runge
Jude Mary Runge
CompCote International, Inc.
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Published:
2018
Page range:
590 - 605
Publication history
November 29, 2018

Abstract

Anodizing produces a uniform, continuous, highly ordered network of individual cells comprising a layer whose thickness and cell dimensions, and ultimately engineering properties, depend on the electrochemical parameters of the anodizing process. This article discusses the nucleation and growth of anodic aluminum oxide and the important characteristics of the finished porous anodic aluminum oxide. In industry, anodic oxides and the anodizing processes have been categorized into types that exhibit specific properties to suit specific applications. The article reviews the two most basic types of oxides, namely, barrier-layer anodic oxides and porous anodic oxides. It concludes with a description of postanodizing processes, such as dyeing and sealing.

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Jude Mary Runge, 2018. "Anodizing", Aluminum Science and Technology, Kevin Anderson, FASM, John Weritz, J. Gilbert Kaufman, FASM

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