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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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Gomes, Jf
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Topics
Publications (8/8 displayed)
- 2019Evaluation of the amount of nanoparticles emitted in LASER additive manufacture/weldingcitations
- 2017Experimental characterization of nanoparticles emissions during Laser Shock Processing of AA6061, AISI304 and Ti6Al4V
- 2017Determination of "safe" and "critical" nanoparticles exposure to welders in a workshopcitations
- 2015Assessment and control of nanoparticles exposure in welding operations by use of a Control Banding Toolcitations
- 2014The effect of metal transfer modes and shielding gas composition on the emission of ultrafine particles in MAG steel weldingcitations
- 2014EMISSION OF NANOPARTICLES DURING FRICTION STIR WELDING (FSW) OF ALUMINIUM ALLOYScitations
- 2014Characterization of airborne particles generated from metal active gas welding processcitations
- 2012Comparison of deposited surface area of airborne ultrafine particles generated from two welding processescitations
Places of action
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article
Evaluation of the amount of nanoparticles emitted in LASER additive manufacture/welding
Abstract
Objectives: The objective of this study was the evaluation of the professional exposure to nanoparticles during tasks performed in workstations for production of metallic parts by laser welding additive manufacturing.Materials and methods: The study was developed in an installed additive manufacturing machine, having controlled temperature and humidity in an industrial unit where metal parts were being produced using stainless steel powders of granulometry of 10 to 35m.Results and discussion: Monitoring of airborne nanoparticles emission was made using adequate equipment, which showed considerable number of nanoparticles over the baseline, having the same composition as the steel powder used.Conclusion: It is concluded that the values of professional exposure to nanoparticles are high in these workstations and that the nanoparticles to which the workers are exposed are small in size (around 15nm), thus having a strong capacity for alveolar penetration and, consequently, with a strong possibility of passing to the bloodstream, accumulating in the body.