| People | Locations | Statistics |
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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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article
Laser surface processing with controlled nitrogen-argon concentration levels for regulated surface life time
Abstract
Laser surface modification can be used to enhance the mechanical properties of a material, such as hardness, toughness, fatigue strength, and corrosion resistance. Surface nitriding is a widely used thermochemical method of surface modification, in which nitrogen is introduced into a metal or other material at an elevated temperature within a furnace. It is used on parts where there is a need for increased wear resistance, corrosion resistance, fatigue life, and hardness. Laser nitriding is a novel method of nitriding where the surface is heated locally by a laser, either in an atmosphere of nitrogen or with a jet of nitrogen delivered to the laser heated site. It combines the benefits of laser modification with those of nitriding. Recent work on high toughness tool steel samples has shown promising results due to the increased nitrogen gas impingement onto the laser heated region. Increased surface activity and nitrogen adsorption was achieved which resulted in a deeper and harder surface compared to conventional hardening methods. In this work, the effects of the laser power, pulse repetition frequency, and overlap percentage on laser surface treatment of 316 L SST steel samples with an argon-nitrogen jet will be presented. Resulting microstructure, phase type, microhardness, and wear resistance are presented.