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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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Biamino, S.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (30/30 displayed)
- 2023Investigating Complex Geometrical Features in LPBF-Produced Parts: A Material-Based Comparison Between Different Titanium Alloyscitations
- 2023Investigating Complex Geometrical Features in LPBF-Produced Parts: A Material-Based Comparison Between Different Titanium Alloyscitations
- 2023Influence of focus offset on the microstructure of an intermetallic gamma-TiAl based alloy produced by electron beam powder bed fusioncitations
- 2023Information-rich quality controls prediction model based on non-destructive analysis for porosity determination of AISI H13 produced by electron beam meltingcitations
- 2022Effects of the solution and first aging treatment applied to as-built and post-HIP CM247 produced via Laser Powder Bed Fusion (LPBF)citations
- 2022In-situ alloying of a fine grained fully equiaxed Ti-based alloy via electron beam powder bed fusion additive manufacturing processcitations
- 2021In situ alloying of a modified inconel 625 via laser powder bed fusion: Microstructure and mechanical propertiescitations
- 2021Protection from oxidation of second and third generation TiAl intermetallic alloys by magnetron sputtering deposition of a TiAl/TiAlN coatingcitations
- 2021Residual stress investigation on Ti-48Al-2Cr-2Nb samples produced by Electron Beam Melting processcitations
- 2021Anisotropic mechanical and fatigue behaviour of Inconel718 produced by SLM in LCF and high-temperature conditionscitations
- 2020An innovative approach on directed energy deposition optimization: A study of the process environment's influence on the quality of Ti-6Al-4V Samplescitations
- 2020Hot deformation behavior and flow stress modeling of Ti–6Al–4V alloy produced via electron beam melting additive manufacturing technology in single β-phase fieldcitations
- 2020Electron backscattered diffraction to estimate residual stress levels of a superalloy produced by laser powder bed fusion and subsequent heat treatmentscitations
- 2020Effect of heat treatments on the microstructure of Inconel 939 alloy processed by laser powder bed fusion
- 2020Processing of hybrid laminates integrating ZrB2/SiC and SiC layers
- 2020Effect of heat treatment on microstructure and oxidation properties of Inconel 625 processed by LPBFcitations
- 2020Assessment of the reinforcing system and carbides evolution in hot isostatically pressed astroloy after prolonged exposure at 820°Ccitations
- 2020The role of Directed Energy Deposition atmosphere mode on the microstructure and mechanical properties of 316L samplescitations
- 2019Evaluation of corrosion resistance of alloy 625 obtained by laser powder bed fusioncitations
- 2019How the nozzle position affects the geometry of the melt pool in directed energy deposition processcitations
- 2019Graphite-Si-SiC ceramics produced by microwave assisted reactive melt infiltrationcitations
- 2019Ottimizzazione dei parametri di processo e cenni sui trattamenti termici per la realizzazione di componenti in Inconel 625 e 718 via Selective Laser Melting (SLM)
- 2019New aluminum alloys specifically designed for laser powder bed fusion: A reviewcitations
- 2019Net shape HIPping of a Ni-superalloy: A study of the influence of an as-leached surface on mechanical propertiescitations
- 2017A preliminary study on high-entropy alloys for laser powder bed process
- 2017Investigation of Post HIP Interface Formation Between Powder Astroloy and Steel Capsule
- 2016Electron beam melting of Ti-48Al-2Nb-0.7Cr-0.3Si: Feasibility investigationcitations
- 2015Titanium aluminides for automotive applications processed by electron beam melting
- 2015Oxidation behavior of ZrB2/SiC laminates: Effect of composition on microstructure and mechanical strengthcitations
- 2011Comparison of selective laser and electron beam melted titanium aluminides
Places of action
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article
Evaluation of corrosion resistance of alloy 625 obtained by laser powder bed fusion
Abstract
The aim of this work is to compare the corrosion resistance of nickel-base Alloy 625 (UNS N06625) produced by laser powder bed fusion with that obtained via conventional casting and hot working. Cyclic potentiodynamic polarization and potentiostatic tests were performed in order to evaluate the corrosion resistance of the differently manufactured alloys according to ASTM G5, and in NaCl 0.6 M solution at pH 7 and pH 3, at 40°C. The electrochemical characterization was carried out on the as-produced alloy and after annealing at 980°C for 32 minutes (according to ASTM B446). This heat treatment was also performed on the commercial hot worked alloy. Two surface conditions, namely as-built and polished surfaces, were investigated on the additive manufactured specimens. The alloy produced by laser powder bed fusion was not susceptible to pitting in the considered environments and had a good localized corrosion resistance, slightly higher than that of traditional wrought material. However, as predicted, the corrosion resistance of the as-built surfaces increased after mechanical polishing. The correlation between the corrosion performance and microstructure is also discussed.