ArticleMaterials (Basel, Switzerland)2020
Analysis of the Nanoparticle Dispersion and Its Effect on the Crystalline Microstructure in Carbon-Additivated PA12 Feedstock Material for Laser Powder Bed Fusion.
Article in Materials (Basel, Switzerland), 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Polymeric Powders for Powder Bed Fusion: From Chemistry and Powder Characteristics to Process Parameters, Defects and Applications.Polymers · 2026Review
- Additive manufacturing for Dentistry: A comprehensive review of techniques and applications.Progress in materials science · 2026Article
- Development of Carbon Black Coating on TPU Elastic Powder for Selective Laser Sintering.Materials (Basel, Switzerland) · 2024Article
- Graphene Nanostructures by Pulsed Laser Ablation in Liquids: A Review.Materials (Basel, Switzerland) · 2022Review
- Quality over Quantity: How Different Dispersion Qualities of Minute Amounts of Nano-Additives Affect Material Properties in Powder Bed Fusion of Polyamide 12.Materials (Basel, Switzerland) · 2021Article
- Nanoparticle Additivation Effects on Laser Powder Bed Fusion of Metals and Polymers-A Theoretical Concept for an Inter-Laboratory Study Design All Along the Process Chain, Including Research Data Management.Materials (Basel, Switzerland) · 2021Article
- Laser Powder Bed Fusion of Polymers: Quantitative Research Direction Indices.Materials (Basel, Switzerland) · 2021Review
- Analysis and Optimization of Mechanical Properties of Laser-Sintered Cellulose/PLA Mixture.Materials (Basel, Switzerland) · 2021Article
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Authors and funding
8 authors.
Funding
Abstract
Driven by the rapid development of additive manufacturing technologies and the trend towards mass customization, the development of new feedstock materials has become a key aspect. Additivation of the feedstock with nanoparticles is a possible route for tailoring the feedstock material to the printing process and to modify the properties of the printed parts. This study demonstrates the colloidal additivation of PA12 powder with laser-synthesized carbon nanoparticles at >95% yield, focusing on the dispersion of the nanoparticles on the polymer microparticle surface at nanoparticle loadings below 0.05 vol%. In addition to the descriptors "wt%" and "vol%", the descriptor "surf%" is discussed for characterizing the quantity and quality of nanoparticle loading based on scanning electron microscopy. The functionalized powders are further characterized by confocal dark field scattering, differential scanning calorimetry, powder rheology measurements (avalanche angle and Hausner ratio), and regarding their processability in laser powder bed fusion (PBF-LB). We find that heterogeneous nucleation is induced even at a nanoparticle loading of just 0.005 vol%. Finally, analysis of the effect of low nanoparticle loadings on the final parts' microstructure by polarization microscopy shows a nanoparticle loading-dependent change of the dimensions of the lamellar microstructures within the printed part.
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Registered trials
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