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Stereolithography of (meth)acrylate-based photocurable resin: Thermal and mechanical properties

Article dans une revue avec comité de lecture
Author
ZIRAK, Nader
86289 Laboratoire Procédés et Ingénierie en Mécanique et Matériaux [PIMM]
SHIRINBAYAN, Mohammadali
86289 Laboratoire Procédés et Ingénierie en Mécanique et Matériaux [PIMM]
BENFRIHA, Khaled
127758 Laboratoire Conception de Produits et Innovation [LCPI]
DELIGANT, Michael
1003528 Laboratoire d'Ingénierie des Fluides et des Systèmes Énergétiques [LIFSE]
TCHARKHTCHI, Abbas
86289 Laboratoire Procédés et Ingénierie en Mécanique et Matériaux [PIMM]

URI
http://hdl.handle.net/10985/21737
DOI
10.1002/app.52248
Date
2022
Journal
Journal of Applied Polymer Science

Abstract

Additive manufacturing (AM) has attracted a lot of attention in the industry and studies due to the ability to fabricate parts in different sizes and shapes along with economic costs. Among the different three-dimensional (3D) print ing methods, stereolithography (SLA) is becoming an important method. The objective of this work is to investigate the effect of different sub-build orienta tions of an acrylate-based 3D printing SLA rapid-prototyping photosensitive resin concerning UV and thermal post-curing on the thermal and mechanical properties. Key role of polymerization as a determining factor in the final mechanical and thermal properties was shown. The results indicate turning the mechanical properties of cured resin by different sub-build orientations. Furthermore, post-curing process was performed in order to complete the cur ing of unreacted monomers. The results show the important effect of thermal post-curing on the mechanical properties. In addition, a polymerization up to 98% for thermal curing at 80 C was achieved. In addition, the maximum ten sile strength for the maximum amount of polymerization was for sub-building orientation of 45°C, 0°C, and 90°C.

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  • Laboratoire Conception de Produits et Innovation (LCPI)
  • Laboratoire Ingénierie des fluides Systèmes énergétiques (LIFSE)
  • Laboratoire Procédés et Ingénierie en Mécanique et Matériaux (PIMM)

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