Abstract
AbstractThis work is focused on a detailed analysis of passive layer formed on AA2024‐T3 aluminum alloy, in unmodified and nitrogen‐implanted conditions. This study is the first step in analyzing the possible beneficial effect of nitrogen implantation in the simultaneous improvement of the tribological properties and pitting resistance. The implanted surface has been characterized by XPS and atomic force microscopy (AFM), and SEM/EDX has been used for microstructural characterization. XPS depth profile of the implanted surface shows the formation of AlN through the implanted layer. AFM studies have confirmed the increase of the surface roughness of AA2024‐T3 due to N+ implantation. Another interesting result of the present work is the detection by EDX analysis, of implanted alloy of a specific concentration of the implanted nitrogen in AlCuFeMnSi particles with regards to the other microstructural constituents. Copyright © 2008 John Wiley & Sons, Ltd.
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