Anodic Oxidation Behavior of Al-Zn Alloy Lining Layer Produced by a Sacrificial-Core Method

Masashi ISHIDA; Tatsuya OHMI; Masatoshi SAKAIRI; Manabu IGUCHI

doi:10.11395/jjsem.12.s222

research-article

Anodic Oxidation Behavior of Al-Zn Alloy Lining Layer Produced by a Sacrificial-Core Method

Masashi ISHIDA, Tatsuya OHMI, Masatoshi SAKAIRI, Manabu IGUCHI

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Keywords: Powder Metallurgy, Nanoporous Structure, Aluminum-Zinc Alloy, Anodic Oxidation, Infiltration

JOURNAL FREE ACCESS

2012 Volume 12 Issue Special_Issue Pages s222-s225

DOI https://doi.org/10.11395/jjsem.12.s222

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Abstract

We investigated the influence of Zn on anodic oxidation of planner Al-Zn lining layers produced by a sacrificial-core method. The Al-Zn lining layer was produced from aluminum powder and zinc plate. By comparison with experiments using sintered aluminum powder compacts, it was found that zinc hindered the formation of nanoporous alumina film. The nanoporous structure can be formed on the surface of the Al-Zn alloy lining layer by long time anodic oxidation of 7.2 ks.

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