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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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Kulak, A. N.
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Publications (4/4 displayed)
- 2019Ptychographic X-ray tomography reveals additive zoning in nanocomposite single crystals
- 2011The preparation of PbO2 coatings on reticulated vitreous carbon for the electro-oxidation of organic pollutantscitations
- 2011The preparation of PbO2 coatings on reticulated vitreous carbon for the electro-oxidation of organic pollutantscitations
- 2011Electrodeposition of polypyrrole–titanate nanotube composites coatings and their corrosion resistancecitations
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article
Electrodeposition of polypyrrole–titanate nanotube composites coatings and their corrosion resistance
Abstract
Polypyrrole (PPy) films (2 micro-m) containing titanate nanotubes (TiNT) were deposited from 0.5 mol dm-3 pyrrole (Py) and 1 g dm-3 of TiNT in 0.1 mol dm-3 aqueous oxalic acid on 904L stainless steel (SS) 0.1 mm thickness at 298 K. Electron microscopy showed that the nanotubes were adsorbed on the PPy surface and uniformly dispersed in the polymer matrix. The PPy/TiNT composite contained < 10 % wt. titanates which showed an increase of 53% hardness compared with polypyrrole alone. The TiNT provide nucleation centres to catalyze the polymerization of pyrrole and can adsorb up to 240 mg g-1 of the monomer. The corrosion rates for SS, SS/PPy and SS/PPy/TiTN composites, evaluated by linear sweep voltammetry and open-circuit potential measurements in 3% w/v NaCl, were 1.61, 0.008 and 0.004 mg dm-2 day-1, respectively, indicating that corrosion rates of stainless steel decreased by up to three orders of magnitude in the presence of the composite films