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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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Prashar, Gaurav
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (7/7 displayed)
- 2024High-temperature erosion behavior of Al<sub>2</sub>O<sub>3</sub> reinforced Inconel625 high velocity oxy-fuel sprayed and direct-aged composite coatingscitations
- 2024Erosion performance of direct-aged Al2O3-reinforced plasma-sprayed composite coatings at high-temperature conditions
- 2023Artificial Intelligence and Machine learning in the Thermal Spray Industry: Practices, Implementation, and Challenges
- 2023A COMPREHENSIVE REVIEW ON COMBATING THE ELEVATED-TEMPERATURE SURFACE DEGRADATION BY <i>M</i>CrAl<i>X</i> COATINGScitations
- 2022ELECTROCHEMICAL CORROSION BEHAVIOR AND MICROSTRUCTURAL CHARACTERIZATION OF HVOF SPRAYED INCONEL718-Al<sub>2</sub>O<sub>3</sub> COMPOSITE COATINGScitations
- 2022PERFORMANCE OF THERMALLY SPRAYED HYDROXYAPATITE COATINGS FOR BIOMEDICAL IMPLANTS: A COMPREHENSIVE REVIEWcitations
- 2021Application of Thermal Spraying Techniques Used for the Surface Protection of Boiler Tubes in Power Plantscitations
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article
ELECTROCHEMICAL CORROSION BEHAVIOR AND MICROSTRUCTURAL CHARACTERIZATION OF HVOF SPRAYED INCONEL718-Al<sub>2</sub>O<sub>3</sub> COMPOSITE COATINGS
Abstract
<jats:p> In the current experimental study, grey cast iron (CI) substrate was coated with Inconel718-Al<jats:sub>2</jats:sub>O<jats:sub>3</jats:sub> based composite coating with a high-velocity oxy-fuel technique. The effect of changing the Al<jats:sub>2</jats:sub>O<jats:sub>3</jats:sub> content (10, 20 and 30 wt.%) on the microstructure, hardness, porosity and electrochemical corrosion performance of Inconel (INC718) coating was studied. Investigations on the corrosion behavior of uncoated and HVOF-coated substrates were carried out at room temperature at 3.5[Formula: see text]wt.% sodium chloride solution (NaCl) with the help of the potentiodynamic polarization approach. The surface morphologies and compositions of HVOF as-sprayed and electrochemically corroded coatings were studied through SEM and EDS techniques. The various phases existing in the INC718 and Al<jats:sub>2</jats:sub>O<jats:sub>3</jats:sub> feedstock powders and HVOF-deposited composite coatings were determined by XRD analysis. The microhardness of INC718-based coatings was found to be increased with the increase in Al<jats:sub>2</jats:sub>O<jats:sub>3</jats:sub> content. The highest average microhardness value of about [Formula: see text]HV[Formula: see text] was observed in INC718-30[Formula: see text]wt.% Al<jats:sub>2</jats:sub>O<jats:sub>3</jats:sub> coating. The deposited coatings exhibited an increased porosity level with the increased amount of Al<jats:sub>2</jats:sub>O<jats:sub>3</jats:sub> contents. However, the coating with 10[Formula: see text]wt.% Al<jats:sub>2</jats:sub>O<jats:sub>3</jats:sub> content exhibited the maximum corrosion resistance. Its improved corrosion performance is attributed to low porosity levels, which causes the penetrating pathways of Cl<jats:sup>−</jats:sup> ions to be blocked completely. </jats:p>