Яшил иқтисодиёт ва тараққиёт Том 2 № 12 (2024) · с. 30-42
Analysis of Aluminium Anodization Process; Impact of Operation Variables, And Morphology Study
Sharipov, Qо‘ng‘irotboy, Abduqunduzova, Nazokat
Аннотация
This work is to construct anodic aluminium oxide layer by anodization. the anodization process was done by immersed aluminium specie in sulfuric acid solution with three different concentrations; 12, 15, and 18 wt.%, in which the study consists of investigation the impact temperature, time and current density. The morphology, growth, and chemical composition of layer by characterize was done by Energy dispersive X-ray (EDS), scanning electronic microscope (SEM), and X-ray diffraction (XRD). Anodizing was done by varying the temperature at range 20°C to 30 °C, anodization time from 25 to 35 minutes, and the current density from 2 to 3 μA/cm2. The results show that the weight gain ranged between 0.0229 to 0.125 g, and it was increased with temperature and anodization time, while it was decrease with acid concentration. The layer thickness was decreased with temperature, while it is increased with current density, acid concentration and time, but it decreased with temperature. DS investigation show that the average ration of Oxygen/Aluminium (O/Al) between 1.096 and 1.307 which depended on electrolyte.
Anodizationanodized oxide layerporous anodized layer
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