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2016 | 129 | 4 | 673-676
Article title

Effects of Pulse Duration on Structure and Surface Characteristics of Micro-Arc Oxidation Coatings Formed on Aluminum Alloy

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EN
Abstracts
EN
Micro arc oxidation (MAO) of aluminum alloy samples was studied using bipolar pulses with various pulse durations under constant duty cycle. The processing times were chosen as 20, 30 and 40 minutes. The X-ray diffraction (XRD) technique, scanning electron microscope (SEM), surface roughness measurement (R_a) and indentation tests were employed to investigate the phase distribution, microstructure, surface properties and hardness of the coatings, respectively. By increasing the pulse duration and processing time, coatings with different surface roughness, thickness and hardness were fabricated.
Keywords
EN
Contributors
author
  • Gebze Technical University, Department of Materials Science and Engineering, 41400 Gebze, Kocaeli, Turkey
author
  • Gebze Technical University, Department of Materials Science and Engineering, 41400 Gebze, Kocaeli, Turkey
References
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Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv129n4066kz
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