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Title: Etching behavior of aluminum alloy extrusions
Authors: Zhu, H
Keywords: Aluminium
Acid neutralizing capacity
Homogenization methods
Issue Date: 16-Oct-2014
Publisher: SpringerLink
Citation: Zhu, H. (2014). Etching Behavior of Aluminum Alloy Extrusions. JOM, 66(11), 2222-2228. doi:10.1007/s11837-014-1176-8
Abstract: The etching treatment is an important process step in influencing the surface quality of anodized aluminum alloy extrusions. The aim of etching is to produce a homogeneously matte surface. However, in the etching process, further surface imperfections can be generated on the extrusion surface due to uneven materials loss from different microstructural components. These surface imperfections formed prior to anodizing can significantly influence the surface quality of the final anodized extrusion products. In this article, various factors that influence the materials loss during alkaline etching of aluminum alloy extrusions are investigated. The influencing variables considered include etching process parameters, Fe-rich particles, Mg-Si precipitates, and extrusion profiles. This study provides a basis for improving the surface quality in industrial extrusion products by optimizing various process parameters. © 2014, The Minerals, Metals & Materials Society.
Gov't Doc #: 7762
ISSN: 1543-1851
Appears in Collections:Journal Articles

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