Multiphysical modeling of the photopolymerization process for additive manufacturing of ceramics

S. Westbeek, J.A.W. van Dommelen, J.J.C. Remmers, M.G.D. Geers

Research output: Contribution to journal › Article › Academic › peer-review

6 Citations (Scopus)

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.
LanguageEnglish
Pages210-223
JournalEuropean Journal of Mechanics. A, Solids
Volume71
DOIs
StatePublished - 31 Mar 2018

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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

Cite this

Westbeek, S. ; van Dommelen, J.A.W. ; Remmers, J.J.C. ; Geers, M.G.D./ Multiphysical modeling of the photopolymerization process for additive manufacturing of ceramics. In: European Journal of Mechanics. A, Solids. 2018 ; Vol. 71. pp. 210-223
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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.",
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Westbeek, S, van Dommelen, JAW, Remmers, JJC & Geers, MGD 2018, 'Multiphysical modeling of the photopolymerization process for additive manufacturing of ceramics' European Journal of Mechanics. A, Solids, vol. 71, pp. 210-223. DOI: 10.1016/j.euromechsol.2018.03.020

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, p. 210-223.

Research output: Contribution to journal › Article › Academic › peer-review

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Westbeek S, van Dommelen JAW, Remmers JJC, Geers MGD. Multiphysical modeling of the photopolymerization process for additive manufacturing of ceramics. European Journal of Mechanics. A, Solids. 2018 Mar 31;71:210-223. Available from, DOI: 10.1016/j.euromechsol.2018.03.020

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