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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

Chemical Conversion Coatings[1]

By
S. Lampman
S. Lampman
ASM International
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Published:
2018
Page range:
616 - 624
Publication history
November 22, 2018

Abstract

Chemical conversion coatings are adherent surface layers of low-solubility oxide, phosphate, chromate, and chromate-free compounds produced by the reaction of suitable reagents with the metallic surface. This article provides an overview on chromate-free coatings, along with coverage on the processes of low-solubility oxide, phosphate, and chromate conversion coating. Some applications using chemical conversion coatings on various aluminum alloys are given in a table. The article also provides information on the advantages and disadvantages of chromate conversion coatings. It concludes a discussion on organic-based coatings.

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S. Lampman, 2018. "Chemical Conversion Coatings", Aluminum Science and Technology, Kevin Anderson, FASM, John Weritz, J. Gilbert Kaufman, FASM

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