The3D printing advancementTitanium dioxide of additive manufacturingAdditive Manufacturing (AM) has driven the search for improved materials. Among these, photocurable resinsPhotocurable resin stand out for their versatility and precision. However, they often exhibit fragile mechanical behavior and limited durability. This study aims to investigate the effect of titanium dioxideTitanium dioxide (TiO₂) reinforcement on the properties of a UV-curable acrylate resin used in SLA/LCD 3D printers. Samples were prepared by incorporating different concentrations of TiO₂ (0.5, 1.0%) into the base resin. Mechanical characterizationCharacterization was conducted following an accelerated aging protocol. It was observed that the 1.5% concentration compromised printability, preventing successful fabrication. Meanwhile, the 0.5 and 1.0% concentrations influenced the mechanical propertiesMechanical properties of the printed parts, with varying degrees of improvement. The results suggest that titanium dioxideTitanium dioxide can serve as a functional additive for enhancing specific properties in 3D-printed components, but only at low concentrations to maintain processability.

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Mechanical Performance of a UV-Curable Resin Modified with Titanium Dioxide for SLA/LCD 3D Printing

  • Victor Paes Dias Gonçalves,
  • Ellen Bernardes de Lima,
  • Thayna Pereira Rangel,
  • Noam Tonini Simonassi,
  • Carlos Maurício Fontes Vieira,
  • Henry Colorado Lopera,
  • Felipe Lopes Perisse

摘要

The3D printing advancementTitanium dioxide of additive manufacturingAdditive Manufacturing (AM) has driven the search for improved materials. Among these, photocurable resinsPhotocurable resin stand out for their versatility and precision. However, they often exhibit fragile mechanical behavior and limited durability. This study aims to investigate the effect of titanium dioxideTitanium dioxide (TiO₂) reinforcement on the properties of a UV-curable acrylate resin used in SLA/LCD 3D printers. Samples were prepared by incorporating different concentrations of TiO₂ (0.5, 1.0%) into the base resin. Mechanical characterizationCharacterization was conducted following an accelerated aging protocol. It was observed that the 1.5% concentration compromised printability, preventing successful fabrication. Meanwhile, the 0.5 and 1.0% concentrations influenced the mechanical propertiesMechanical properties of the printed parts, with varying degrees of improvement. The results suggest that titanium dioxideTitanium dioxide can serve as a functional additive for enhancing specific properties in 3D-printed components, but only at low concentrations to maintain processability.