journal article·2025-12Open access

Elaboration of Printable Nanopowder Zirconia Suspensions for Vat Photopolymerization

Aymeric Jugan, Sylvain Marinel, Loïc Le Pluart, Théotim Marie, Romuald Herbinet, Charles Manière

Abstract

This study focuses on preparing and optimizing a submicron zirconia (ZrO₂) suspension for vat photopolymerization (SLA) 3D printing. The suspension includes TZ-3YS-E zirconia powder, acrylate-based monomers (HDDA and TMPTA), a dispersant (Disperbyk-103), and a photoinitiator (TPO). It was prepared using a ball-milling process to ensure homogeneity and optimal dispersion. Rheological properties were assessed to determine the ideal dispersant concentration and milling time, aiming for a low-viscosity and stable suspension. Sedimentation tests were performed to evaluate suspension stability, identifying optimal parameters at 5 wt% dispersant concentration and 120 minutes of ball milling. Additionally, an original curing depth experimental tool was built to optimize printing parameters such as laser speed and power, revealing a maximum over-polymerization of 30% in the lower layer. Finally, the ZrO₂ suspensions with optimal parameters were used to print complex-shaped objects.
Source: openaire · Quality: candidate unverified · Source record ↗

Research context

OpenAlex topics: Photopolymerization techniques and applications · Additive Manufacturing and 3D Printing Technologies · Advanced Polymer Synthesis and Characterization

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

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