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Self-ordered Porous Alumina Fabricated via Phosphonic Acid Anodizing [PDF]
Electrochimica Acta, 2016 Self-ordered periodic porous alumina with an undiscovered cell diameter was fabricated via electrochemical anodizing in a new electrolyte, phosphonic acid (H3PO3).
Tatsuya Kikuchi +2 more
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2018
Anodizing is a low-temperature, low-cost electrochemical process allowing for the growth, on the surface of valve metals and valve metal alloys, of anodic oxides of tunable composition and properties. This article is an overview on theoretical aspects concerning the general aspects of the kinetics of growth of barrier and porous anodic oxides and some ...
Di Franco F. +3 more
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Anodizing is a low-temperature, low-cost electrochemical process allowing for the growth, on the surface of valve metals and valve metal alloys, of anodic oxides of tunable composition and properties. This article is an overview on theoretical aspects concerning the general aspects of the kinetics of growth of barrier and porous anodic oxides and some ...
Di Franco F. +3 more
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Effect of alloy types on the anodizing process of aluminum
Surface and Coatings Technology, 2006 Specimens of AA 5083 and AA 6111 (unheat- and heat-treated) were investigated in comparison with the pure aluminum during anodizing in sulfuric acid bath using electrochemical techniques, SEM/EDS and XRF.
Kuo, H.-H. +5 more
exaly +1 more source
Anodic Polarization of Anodized Aluminum
Corrosion, 1969Potentiostatic anodic polarization of anodized coatings on aluminum was sensitive to both coating thickness and degree of seal. The polarization behavior of anodized coatings parallels their performance in atmospheric service. Thus, anodic polarization could be used as a test for the atmospheric corrosion resistance of anodized coatings. The advantages
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Anodic oxidation of benzoquinone using diamond anode
Environmental Science and Pollution Research, 2014The anodic degradation of 1,4-benzoquinone (BQ), one of the most toxic xenobiotic, was investigated by electrochemical oxidation at boron-doped diamond anode. The electrolyses have been performed in a single-compartment flow cell in galvanostatic conditions. The influence of applied current (0.5-2 A), BQ concentration (1-2 g dm(-3)), temperature (20-45
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Anodization of molybdenum. I. Galvanostatic anodization
Journal of Applied Electrochemistry, 1987Molybdenum was anodized at different current densities (10−4–10−2 A cm−2) in various aqueous solutions. Potential-time curves obtained in strong acid solutions are similar to those usually reported for the valve metals, and the anodization kinetics were found to obey the familiar exponential law $$i = A \exp BH$$ and also to obey the empirical ...
A. G. Gad-Allah, H. A. Abd El-Rahman
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Anodic Oxidation of Organics on Oxide Anodes
1998The electrochemical oxidation (or combustion) of organics with simultaneous oxygen evolution has been investigated using different oxide electrodes. A simplified mechanism for the electrochemical oxidation of organics is presented, according to which selective oxidation occurs with oxide anodes (MOx) for which the formation of higher oxides (e.g.: MOX ...
Olivier Simond +2 more
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Fabrication of porous anodic alumina using normal anodization and pulse anodization
AIP Conference Proceedings, 2015This article reports on the fabrication of porous anodic alumina (PAA) by two-step anodizing the low purity commercial aluminum sheets at room temperature. Different variations of the second-step anodization were conducted: normal anodization (NA) with direct current potential difference; pulse anodization (PA) alternate between potential differences ...
I. K. Chin, F. K. Yam, Z. Hassan
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1994
Abstract Anodizing refers to conversion coating of the surface of aluminum and its alloys to porous aluminum oxide. This article provides the reasons for performing anodizing and discusses the three principal types of anodizing processes, namely, chromic acid process, sulfuric acid process, and hard anodic process.
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Abstract Anodizing refers to conversion coating of the surface of aluminum and its alloys to porous aluminum oxide. This article provides the reasons for performing anodizing and discusses the three principal types of anodizing processes, namely, chromic acid process, sulfuric acid process, and hard anodic process.
openaire +1 more source