Influence of particle shape in the additive manufacturing process for ceramics

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Additive manufacturing (AM) of ceramics through a vat photopolymerization (VP) process is a promising technique due to the high intrinsic resolution and the evanescence of stresses introduced during the layerwise additive manufacturing process. Compared to the regular vat photopolymerization process, the addition of ceramic powder increases physical complexity. Hence, large scale adoption and optimization of AM for ceramics requires a thorough understanding of the underlying physics. This work focuses on the light scattering introduced through a complex interplay between optical properties of different constituents and its effect on the photopolymerization. The effect of the shape of the ceramic particle is investigated for isolated and multiple particle cases using a parametric analysis with regular convex polygons. Although the analysis of two-dimensional isolated particle shapes indicates a preference for one shape over the other, this difference vanishes in a multiple-scattering situation. A three-dimensional analysis furthermore shows that a two-dimensional approximation of the three-dimensional scattering problem is relevant and can be used to further the process understanding of ceramic VP.

Originele taal-2Engels
Pagina's (van-tot)2360-2376
Aantal pagina's17
TijdschriftComputers and Mathematics with Applications
Volume78
Nummer van het tijdschrift7
DOI's
StatusGepubliceerd - 1 okt 2019

Vingerafdruk

3D printers
Photopolymerization
Manufacturing
Regular polygon
Three-dimensional
Parametric Analysis
Multiple Scattering
Convex polygon
Multiple scattering
Dimensional Analysis
Light Scattering
Scattering Problems
Powder
Light scattering
Optical Properties
Vanish
Physics
Optical properties
Scattering
Powders

Bibliografische nota

Part of special issue:
Simulation for Additive Manufacturing

Citeer dit

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title = "Influence of particle shape in the additive manufacturing process for ceramics",
abstract = "Additive manufacturing (AM) of ceramics through a vat photopolymerization (VP) process is a promising technique due to the high intrinsic resolution and the evanescence of stresses introduced during the layerwise additive manufacturing process. Compared to the regular vat photopolymerization process, the addition of ceramic powder increases physical complexity. Hence, large scale adoption and optimization of AM for ceramics requires a thorough understanding of the underlying physics. This work focuses on the light scattering introduced through a complex interplay between optical properties of different constituents and its effect on the photopolymerization. The effect of the shape of the ceramic particle is investigated for isolated and multiple particle cases using a parametric analysis with regular convex polygons. Although the analysis of two-dimensional isolated particle shapes indicates a preference for one shape over the other, this difference vanishes in a multiple-scattering situation. A three-dimensional analysis furthermore shows that a two-dimensional approximation of the three-dimensional scattering problem is relevant and can be used to further the process understanding of ceramic VP.",
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author = "S. Westbeek and {van Dommelen}, J.A.W. and J.J.C. Remmers and M.G.D. Geers",
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Influence of particle shape in the additive manufacturing process for ceramics. / Westbeek, S.; van Dommelen, J.A.W. (Corresponding author); Remmers, J.J.C.; Geers, M.G.D.

In: Computers and Mathematics with Applications, Vol. 78, Nr. 7, 01.10.2019, blz. 2360-2376.

Onderzoeksoutput: Bijdrage aan tijdschriftTijdschriftartikelAcademicpeer review

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