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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 752-753The Simulation of the Electrolyte Temperature...

The Simulation of the Electrolyte Temperature Effect on the Value Change of the Microhardness of Anodic Alumina Oxide Layers

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Abstract:

In order to improve the mechanical properties of the layer deposited by anodic oxidation of aluminum on the material EN AW-1050 H24, in the contribution was investigated the microhardness of the deposited layer as a function of the physic-chemical factors affecting in the process of anodic oxidation at the constant anodic current density J = 3 A.dm^-2 in electrolyte formed by sulfuric acid and oxalic acid, with the emphasis on the influence of electrolyte temperature in the range – 1,78 °C to 45,78 °C. The model of the studied dependence was compiled based on mathematical and statistical analysis of matrix from experimental obtained data from composite rotation plan of experiment with five independent variable factors (amount of sulfuric acid in the electrolyte, the amount of oxalic acid in the electrolyte, electrolyte, anodizing time and applied voltage).

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Periodical:

Applied Mechanics and Materials (Volumes 752-753)

Pages:

30-34

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.752-753.30

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Online since:

April 2015

Authors:

Lydia Sobotova*, Miroslav Badida, Jan Kmec, Miroslav Gombar, Daniel Kucerka

Keywords:

Anodizing of Aluminium, Design of Experiment (DOE), Microhardness, Simulation

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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