TY - JOUR
T1 - Characterization of nanoporous anodic aluminum oxide formed on laser pre-treated aluminum
AU - Stepniowski, Wojciech
AU - Durejko, T.
AU - Michalska-Domanska, M.
AU - Lazinska, M.
AU - Aniszewska, J.
PY - 2016
Y1 - 2016
N2 - Technical purity aluminum was subjected to laser pre-treatment. Subsequently, self-organized anodization in sulfuric acid was performed in order to form nanoporous oxide layer. The influence of the laser pre-treatment operating conditions and grain size of the direct solidified aluminum on the formation of the nanoporous anodic aluminum oxide was studied on the base of FE-SEM images quantitative analyses. It was found there is no significant influence of laser pre-treatment on pore diameter, interpore distance and thickness of the grown oxide. Furthermore, fast Fourier transform-based quantitative image analysis showed that arrangement of the nanoporous alumina grown on the laser pre-treated aluminum is comparable to the arrangement of nanopores formed on high-purity aluminum without any pre-treatment. These findings were supplemented by the circularity analysis of the grown nanopores. This means that laser-treated aluminum elements can be anodized without significant decreases in the quality of the anodic oxides.
AB - Technical purity aluminum was subjected to laser pre-treatment. Subsequently, self-organized anodization in sulfuric acid was performed in order to form nanoporous oxide layer. The influence of the laser pre-treatment operating conditions and grain size of the direct solidified aluminum on the formation of the nanoporous anodic aluminum oxide was studied on the base of FE-SEM images quantitative analyses. It was found there is no significant influence of laser pre-treatment on pore diameter, interpore distance and thickness of the grown oxide. Furthermore, fast Fourier transform-based quantitative image analysis showed that arrangement of the nanoporous alumina grown on the laser pre-treated aluminum is comparable to the arrangement of nanopores formed on high-purity aluminum without any pre-treatment. These findings were supplemented by the circularity analysis of the grown nanopores. This means that laser-treated aluminum elements can be anodized without significant decreases in the quality of the anodic oxides.
KW - Anodic aluminum oxide
KW - Anodization
KW - Direct solidification
KW - Laser melting
KW - Nanopores
KW - Self-organization
UR - http://www.scopus.com/inward/record.url?scp=84994378571&partnerID=8YFLogxK
U2 - 10.1016/j.matchar.2016.10.034
DO - 10.1016/j.matchar.2016.10.034
M3 - Article
AN - SCOPUS:84994378571
SN - 1044-5803
VL - 122
SP - 130
EP - 136
JO - Materials Characterization
JF - Materials Characterization
ER -