Abstract
The paper deals with numerical simulations of materials printed with SLA technology. SLA (stereolitography) is an additive manufacturing technique, which main idea is printing with the use of a photocurable resin, e.g. epoxy or acrylic. The crosslinking is carried out under UV exposition. The chosen resin was experimentally tested and then numerical analyses were carried out using material models available in LS Dyna library (MAT_24, MAT_168, MAT_081). The results were compared. The best convergence was achieved for MAT_168.
Highlights
The stereolitography (SLA) is one of the additive manufacturing techniques
MAT_101 (Hallquist 2007) is dedicated for thermoplastics. It was developed by General Electric Company to model commercial materials subjected to high strain rate loading. In this model yield stress is a function of strain rate
The authors applied the elasticity approach to assess the stiffness of ABS material printed with Fused Deposition Modelling (FDM) additive technique
Summary
The stereolitography (SLA) is one of the additive manufacturing techniques. The main idea of this method is a printing with the use of a photocurable resin, e.g. epoxy or acrylic one. The numerical analyses of tensile test of a selected SLA resin using different material models was shown. Selection of material model of chosen photocurable resin...
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