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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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Ahmed Obeidi, Muhannad
Dublin City University
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (14/14 displayed)
- 2021CO2 laser polishing of laser-powder bed fusion produced AlSi10Mg partscitations
- 2020Comparing the adhesion strength of 316L stainless steel joints after laser surface texturing by CO2 and fiber laserscitations
- 2020Comprehensive assessment of spatter material generated during selective laser melting of stainless steelcitations
- 2020Experimental and empirical model analysis of microsurface texturing on 316 L press-fit joints fabricated by selective laser meltingcitations
- 2019Laser Polishing of Additive Manufactured 316L Stainless Steel Synthesized by Selective Laser Melting
- 2018Investigating the effect of the high power and high speed CO2 laser surface melting on the residual stresses and corrosion resistance of 316L stainless steel
- 2018Laser surface texturing of stainless steel 316L cylindrical pins for interference fit applications
- 2018Laser surface processing with controlled nitrogen-argon concentration levels for regulated surface life time
- 2017Surface roughness control by extreme ultraviolet (EUV) radiation
- 2017Laser surface texturing of stainless steel 316L cylindrical pins for interference fit applicationscitations
- 2017Laser surface processing with controlled nitrogen-argon concentration levels for regulated surface life timecitations
- 2017Laser Surface Texturing for High Control of Interference Fit Joint Load Bearing
- 2016Methodology of laser processing for precise control of surface micro-topology
- 2016A Review of Semi-Solid Aluminium-Steel Joining Processes
Places of action
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document
Investigating the effect of the high power and high speed CO2 laser surface melting on the residual stresses and corrosion resistance of 316L stainless steel
Abstract
This study is investigating the effect of the laser surface melting of 316L stainless steel cylindrical samples on the surface residual stresses and the corrosion resistance. A high speed CO2 laser beam with power range of 300-500 W was used in pulse mode to initiate the surface melting in an argon and argon-nitrogen atmosphere. The produced samples were cross sectioned and the elastic modulus and nano-hardness test were carried out showing no alteration between the modified and the bulk material. A noticeable degradation in the corrosion resistance was found due to the formation of the chromium carbide and chromium nitride which act as electrolytic cells in addition to the disruption of the free chromium content at the melted zone.