ChemInform Abstract: Electrochemical Behavior of the Nb2O5 Anodic Oxide Film-Electrolyte Junction.

ChemInform ◽  
1990 ◽  
Vol 21 (52) ◽  
Author(s):  
G. JOUVE ◽  
Y. BELKACEM
Keyword(s):  
Oxide Film ◽  
Electrochemical Behavior ◽  
Anodic Oxide ◽  
Anodic Oxide Film ◽  
Film Electrolyte

Deposited emulsion particles in the pores of aluminum oxide film

1978 ◽  
Vol 36 (1) ◽  
pp. 450-451
Author(s):  
Michio Ashida ◽  
Yasukiyo Ueda
Keyword(s):  
Oxide Film ◽  
Acid Solution ◽  
Barrier Layer ◽  
Colloidal Particles ◽  
Oxalic Acid Solution ◽  
Anodic Oxide ◽  
Anodic Oxide Film ◽  
Carbon Replica ◽  
Sectioning Method ◽  
Thin Sectioning

An anodic oxide film is formed on aluminum in an acidic elecrolyte during anodizing. The structure of the oxide film was observed directly by carbon replica method(l) and ultra-thin sectioning method(2). The oxide film consists of barrier layer and porous layer constructed with fine hexagonal cellular structure. The diameter of micro pores and the thickness of barrier layer depend on the applying voltage and electrolyte. Because the dimension of the pore corresponds to that of colloidal particles, many metals deposit in the pores. When the oxide film is treated as anode in emulsion of polyelectrolyte, the emulsion particles migrate onto the film and deposit on it. We investigated the behavior of the emulsion particles during electrodeposition.Aluminum foils (99.3%) were anodized in either 0.25M oxalic acid solution at 30°C or 3M sulfuric acid solution at 20°C. After washing with distilled water, the oxide films used as anode were coated with emulsion particles by applying voltage of 200V and then they were cured at 190°C for 30 minutes.

Elucidation of the thickness inside the niobium anodic oxide film and its effect on adhesion to polyimide film

Vacuum ◽  
2021 ◽  
pp. 110265
Author(s):  
Munenori Yoshida ◽  
Hiromi Yamanaka ◽  
Kenta Tomori ◽  
Sergei Kulinich ◽  
Syuuichi Maeda ◽  
...  
Keyword(s):  
Oxide Film ◽  
Anodic Oxide ◽  
Polyimide Film ◽  
Anodic Oxide Film

The pore-enlargement and self-lubrication treatment of anodic oxide film of aluminum

Wear ◽  
1996 ◽  
Vol 196 (1-2) ◽  
pp. 214-218 ◽  
Author(s):  
Xu Tao ◽  
Chen Jianmin ◽  
Zhao Jiazheng ◽  
Dang Hongxin
Keyword(s):  
Oxide Film ◽  
Anodic Oxide ◽  
Anodic Oxide Film ◽  
Pore Enlargement

ChemInform Abstract: Evidence for an Ideal Transparent Anodic Oxide Film on Zirconium.

ChemInform ◽  
2010 ◽  
Vol 26 (29) ◽  
pp. no-no
Author(s):  
J. L. ORD ◽  
D. J. DE SMET
Keyword(s):  
Oxide Film ◽  
Anodic Oxide ◽  
Anodic Oxide Film

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

2011 ◽  
Vol 236-238 ◽  
pp. 3061-3064
Author(s):  
Thein Thein Kyaw ◽  
Kyaw Myo Naing ◽  
Nyunt Win
Keyword(s):  
Oxide Film ◽  
Aluminum Oxide ◽  
Sulphuric Acid ◽  
Anodic Oxide ◽  
Film Coating ◽  
Anodic Oxide Film ◽  
Oxide Thin Film ◽  
Operation Condition ◽  
Porous Aluminum ◽  
Coating Weight

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% H2SO4solution composition, 15V, 30±2°C, 100 mA, 60 mins.

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