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A new approach to coat PA12 powders with laser-generated nanoparticles for selective laser sintering

  • The modification of selective laser sintering (SLS) powder materials by nanoadditives offers the possibility to adapt the powder properties to the laser sintering process or the resulting part properties. To avoid agglomeration of the nanofiller, a new approach in which surfactant-free laser-generated colloidal nanoparticles are adsorbed onto the polymer surface directly in an aqueous solution is demonstrated. Based on this novel approach, polyamide 12 (PA12) powders are decorated with metal and oxide nanoparticles and processed via SLS. Electron microscopy and confocal laser scanning imaging are utilized to analyze the dispersion of the filler.

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Metadaten
Author:T. Hupfeld, Tobias LaumerORCiDGND, T. Stichel, T. Schuffenhauer, J. Heberle, M. Schmidt, S. Barcikowski, B. Gökce
DOI:https://doi.org/10.1016/j.procir.2018.08.103
Parent Title (English):Procedia CIRP
Publisher:Elsevier
Document Type:Article
Language:English
Year of first Publication:2018
Release Date:2022/06/07
Tag:laser additive manufacturing; nanoparticles; polymer powders; pulsed laser ablation in liquids; selective laser sintering
Volume:74
First Page:244
Last Page:248
Konferenzangabe:10th CIRP Conference on Photonic Technologies [LANE 2018]
Institutes:Fakultät Maschinenbau
Technologie-Campus Parsberg-Lupburg
Fakultät Maschinenbau / Labor Additive and Intelligent Manufacturing for Sustainability (AIMS)
Begutachtungsstatus:peer-reviewed
Publication:Externe Publikationen
research focus:Produktion und Systeme
OpenAccess Publikationsweg:Diamond Open Access - OA-Veröffentlichung ohne Publikationskosten (Sponsoring)
Licence (German):Creative Commons - CC BY-NC-ND - Namensnennung - Nicht kommerziell - Keine Bearbeitungen 4.0 International