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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Bordo, Kirill
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (17/17 displayed)
- 2018Electrochemical profiling of multi-clad aluminium sheets used in automotive heat exchangerscitations
- 2018Electrochemical profiling of multi-clad aluminium sheets used in automotive heat exchangerscitations
- 2017Steam based conversion coating on AA6060 alloy: Effect of sodium silicate chemistry and corrosion performancecitations
- 2016Band gap tuning of amorphous Al oxides by Zr alloyingcitations
- 2016High frequency pulse anodising of magnetron sputtered Al–Zr and Al–Ti Coatingscitations
- 2015Accelerated growth of oxide film on aluminium alloys under steam: Part II: Effects of alloy chemistry and steam vapour pressure on corrosion and adhesion performancecitations
- 2015Effect of High Frequency Pulsing on the Interfacial Structure of Anodised Aluminium-TiO2citations
- 2015High Frequency Anodising of Aluminium-TiO2 Surface Compositescitations
- 2015Friction stir processed Al-TiO 2 surface composites:DC vs. High frequency pulse and pulse reverse anodising
- 2015High frequency anodising of aluminium–TiO2 surface composites: Anodising behaviour and optical appearancecitations
- 2015Effect of High Frequency Pulsing on the Interfacial Structure of Anodized Aluminium-TiO2citations
- 2015High frequency anodising of aluminium-TiO 2 surface composites:Anodising behaviour and optical appearancecitations
- 2015Effect of High Frequency Pulsing on the Interfacial Structure of Anodised Aluminium-TiO 2citations
- 2014Optical appearance of AC anodized Al/TiO 2 composite coatings
- 2014Microstructure and optical appearance of anodized friction stir processed Al - Metal oxide surface composites
- 2014Electrochemical profiling of multi-clad aluminium sheets used in automotive heat exchangers
- 2014Optical appearance of AC anodized Al/TiO2 composite coatings
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article
High Frequency Anodising of Aluminium-TiO2 Surface Composites
Abstract
High frequency anodising of Al–TiO2 surface composites using pulse reverse pulse technique was investigated with an aim to understand the effect of the anodising parameters on the optical appearance, microstructure, hardness and growth rate of the anodic layer. Friction stir processing was employed to prepare the Al–TiO2 surface composites, which were anodised in a 20 wt.% sulphuric acid bath at 10 °C as a function of pulse frequency, pulse duty cycle, and anodic cycle voltage amplitudes. The optical appearance of the films was characterized and quantified using an integrating sphere-spectrometer setup, which measures the total and diffuse reflectance from the surface. The change in optical reflectance spectra from the anodised layer was correlated to the applied anodising parameters and microstructure of the anodic layer as well as the Al–TiO2 substrate. Change in hardness of the anodised layer was also measured as a function of various anodising parameters. Anodic film growth, hardness, and total reflectance of the surface were found to be highly dependent on the anodising frequency and the anodic cycle potential. Longer exposure times to the anodising electrolyte at lower growth rates resulted in lowering of the reflectance due to TiO2 particle degradation and low hardness due to increased dissolution of the anodised layer during the process. [All rights reserved Elsevier].