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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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Fino, P.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (25/25 displayed)
- 2023Improvement in the PBF-LB/M processing of the Al-Si-Cu-Mg composition through the use of pre-alloyed powdercitations
- 2022Influence of surface finishing and heat treatments on the corrosion resistance of the LPBF-produced Ti-6Al-4V alloy for biomedical applicationscitations
- 2022In-situ alloying of a fine grained fully equiaxed Ti-based alloy via electron beam powder bed fusion additive manufacturing processcitations
- 2022Synergic strategies to improve the PBF-LB/M processability of a cracking-sensitive alloycitations
- 2022Towards customized heat treatments and mechanical properties in the LPBF-processed Ti-6Al-2Sn-4Zr-6Mo alloycitations
- 2022Influence of surface finishing and heat treatments on the corrosion resistance of LPBF-produced Ti-6Al-4V alloy for biomedical applicationscitations
- 2021An automatic on top analysis of single scan tracks to evaluate the laser powder bed fusion building parameterscitations
- 2021Strengthening strategies for an Al alloy processed by in-situ alloying during laser powder bed fusioncitations
- 2021Residual stress investigation on Ti-48Al-2Cr-2Nb samples produced by Electron Beam Melting processcitations
- 2021Failure mode analysis on compression of lattice structures with internal cooling channels produced by laser powder bed fusioncitations
- 2020An innovative approach on directed energy deposition optimization: A study of the process environment's influence on the quality of Ti-6Al-4V Samplescitations
- 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
- 2019Statistical approach for electrochemical evaluation of the effect of heat treatments on the corrosion resistance of AlSi10Mg alloy by laser powder bed fusioncitations
- 2019New aluminum alloys specifically designed for laser powder bed fusion: A reviewcitations
- 2018Nanoindentation test conducted on single scan tracks for the development of new multi-principal element alloys by selective laser melting
- 2017Selective laser melting of chemical pure copper powders
- 2017Thermal diffusivity of ZTA composites with different YSZ quantitycitations
- 2017Corrosion behavior of aluminum-silicon alloys obtained by Direct Metal Laser Sintering
- 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
- 2000Gravity casting processing of brake discs: Use of partially recycled (Al-Si-Mg)/SiCp compositecitations
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.