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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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Souri, Ali Reza
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (6/6 displayed)
- 2021Corrosion resistance, nano-mechanical properties, and biocompatibility of Mg-plasma-implanted and plasma-etched Ta/TaN hierarchical multilayered coatings on the nitrided AZ91 Mg alloycitations
- 2021Enhanced corrosion resistance, antibacterial properties, and biocompatibility by hierarchical hydroxyapatite/ciprofloxacin-calcium phosphate coating on nitrided NiTi alloycitations
- 2021Effects of the tantalum intermediate layer on the nanomechanical properties and biocompatibility of nanostructured tantalum/tantalum nitride bilayer coating deposited by magnetron sputtering on the nickel titanium alloycitations
- 2020EIS and noise study of zirconia-alumina- benzotriazole nano-composite coating applied on Al2024 by the sol-gel methodcitations
- 2019Nano-mechanical properties of zirconia-alumina-benzotriazole nano-composite coating deposited on Al2024 by the sol-gel methodcitations
- 2019Effects of Benzotriazole on nano-mechanical properties of zirconia-alumina-Benzotriazole nanocomposite coating deposited on Al 2024 by the sol-gel methodcitations
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article
Effects of Benzotriazole on nano-mechanical properties of zirconia-alumina-Benzotriazole nanocomposite coating deposited on Al 2024 by the sol-gel method
Abstract
The concentration of <i>Benzotriazole </i>plays an important role in the mechanical properties of ceramic coatings. In this work, hybrid nano-composite zirconia-alumina-<i>Benzotriazole </i>coatings with 1.2, 2.4, 3.6 and 4.8% of <i>Benzotriazole</i> are deposited on the Al 2024 substrate by the sol-gel technique. The phase, structure, and morphology are determined by grazing-incidence X-ray diffraction, Fourier-transform infrared spectroscopy, and field-emission scanning electron microscopy and the nano-mechanical properties are assessed by atomic force microscopy at loads of 50 and 60 mu N. Uniform and homogenous amorphous coatings are deposited at 150 degrees C and the thicknesses of the zirconia-alumina and zirconia-alumina-<i>Benzotriazole </i>coatings with 1.2%, 2.4%, 3.6%, and 4.8%<i> Benzotriazole</i> are 670, 560, 750, 790, and 1040nm, respectively. The surface roughness of the coatings decreases by 3.5 and 8 times after introducing 1.2% and 3.6% <i>Benzotriazole</i> to the coatings, respectively, but further increasing the <i>Benzotriazole</i> concentration from 3.6 to 4.8% decreases the hardness, strength, and maximum shear tension. The optimal concentration of <i>Benzotriazole</i> depends on the Hertzian pressure and the hardness and strength of the zirconia-alumina-3.6% <i>Benzotriazole</i> under a load of 60 mu N are 23 and 46 times higher than those of the zirconia-alumina coating. The smallest friction coefficient of 0.11 is observed at a load of 60 mu N and abrasive wear and shear are dominant.