Study on Anodizing Processes for Formation of Nano Porous Aluminum Oxide Thin Films

Abstract:

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In this paper aluminum oxide thin film was prepared by anodic oxidation in various acid baths such as sulphuric acid, chromic acid and phosphoric acid with different concentrations. The thickness and appearance of the anodized films formed has been compared. The thicknesses of anodic oxide film, coating weight per unit area and coating ratio of anodic oxide film variation were determined with respect to the different electrolyte concentrations by using the thickness determination formula. Sulphuric acid gives the highest thickness aluminum oxide films, in the operation condition of 15% H2SO4 solution composition, 15V, 30±2°C, 100 mA, 60 mins.

Info:

Periodical:

Advanced Materials Research (Volumes 236-238)

Edited by:

Zhong Cao, Yinghe He, Lixian Sun and Xueqiang Cao

Pages:

3061-3064

DOI:

10.4028/www.scientific.net/AMR.236-238.3061

Citation:

T. Thein Kyaw et al., "Study on Anodizing Processes for Formation of Nano Porous Aluminum Oxide Thin Films", Advanced Materials Research, Vols. 236-238, pp. 3061-3064, 2011

Online since:

May 2011

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$35.00

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