Multiphysical modeling of the photopolymerization process for additive manufacturing of ceramics

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Additive manufacturing (AM) of ceramics through vat photopolymerization is a promising technique in which a ceramic filled photopolymer is selectively solidified in a layer-wise manner towards the final part geometry. Large scale adoption and optimization of AM for ceramics requires an in depth understanding of the process, which is pursued through a theoretical-numerical approach in this work. A modeling framework is proposed that integrates the coupled effect of four relevant physical mechanisms: (i) light propagation through the heterogeneous matter; (ii) conversion of the photopolymer; (iii) thermal effects and (iv) evolution of mechanical properties upon solidification. Interestingly, the inclusion of ceramic particles (compared to the regular vat photopolymerization process) has a marked influence for each individual physical mechanism. Even though the individual key ingredients are established, the coupled and integrated framework provides innovative insights, demonstrating how difficult it is to achieve homogeneous polymerization for ceramic-filled resins.
Originele taal-2Engels
Pagina's (van-tot)210-223
TijdschriftEuropean Journal of Mechanics. A, Solids
Volume71
DOI's
StatusGepubliceerd - 31 mrt 2018

Vingerafdruk

3D printers
Photopolymers
Photopolymerization
manufacturing
ceramics
Light propagation
photopolymers
Thermal effects
Solidification
Resins
Polymerization
Mechanical properties
Geometry
ingredients
resins
solidification
temperature effects
polymerization
mechanical properties
inclusions

Citeer dit

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title = "Multiphysical modeling of the photopolymerization process for additive manufacturing of ceramics",
abstract = "Additive manufacturing (AM) of ceramics through vat photopolymerization is a promising technique in which a ceramic filled photopolymer is selectively solidified in a layer-wise manner towards the final part geometry. Large scale adoption and optimization of AM for ceramics requires an in depth understanding of the process, which is pursued through a theoretical-numerical approach in this work. A modeling framework is proposed that integrates the coupled effect of four relevant physical mechanisms: (i) light propagation through the heterogeneous matter; (ii) conversion of the photopolymer; (iii) thermal effects and (iv) evolution of mechanical properties upon solidification. Interestingly, the inclusion of ceramic particles (compared to the regular vat photopolymerization process) has a marked influence for each individual physical mechanism. Even though the individual key ingredients are established, the coupled and integrated framework provides innovative insights, demonstrating how difficult it is to achieve homogeneous polymerization for ceramic-filled resins.",
author = "S. Westbeek and {van Dommelen}, J.A.W. and J.J.C. Remmers and M.G.D. Geers",
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Multiphysical modeling of the photopolymerization process for additive manufacturing of ceramics. / Westbeek, S.; van Dommelen, J.A.W.; Remmers, J.J.C.; Geers, M.G.D.

In: European Journal of Mechanics. A, Solids, Vol. 71, 31.03.2018, blz. 210-223.

Onderzoeksoutput: Bijdrage aan tijdschriftTijdschriftartikelAcademicpeer review

TY - JOUR

T1 - Multiphysical modeling of the photopolymerization process for additive manufacturing of ceramics

AU - Westbeek, S.

AU - van Dommelen, J.A.W.

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AU - Geers, M.G.D.

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AB - Additive manufacturing (AM) of ceramics through vat photopolymerization is a promising technique in which a ceramic filled photopolymer is selectively solidified in a layer-wise manner towards the final part geometry. Large scale adoption and optimization of AM for ceramics requires an in depth understanding of the process, which is pursued through a theoretical-numerical approach in this work. A modeling framework is proposed that integrates the coupled effect of four relevant physical mechanisms: (i) light propagation through the heterogeneous matter; (ii) conversion of the photopolymer; (iii) thermal effects and (iv) evolution of mechanical properties upon solidification. Interestingly, the inclusion of ceramic particles (compared to the regular vat photopolymerization process) has a marked influence for each individual physical mechanism. Even though the individual key ingredients are established, the coupled and integrated framework provides innovative insights, demonstrating how difficult it is to achieve homogeneous polymerization for ceramic-filled resins.

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