A review of materials used in tomographic volumetric additive manufacturing

Jorge Madrid-Wolff, Joseph Toombs, Riccardo Rizzo, Paulina Nuñez Bernal, Dominique Porcincula, Rebecca Walton, Bin Wang, Frederik Kotz-Helmer, Yi Yang, David Kaplan, Yu Shrike Zhang, Marcy Zenobi-Wong, Robert R. McLeod, Bastian Rapp, Johanna Schwartz, Maxim Shusteff, Hayden Talyor, Riccardo Levato, Christophe Moser*

*Corresponding author for this work

Research output: Contribution to journalReviewpeer-review

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Abstract

Volumetric additive manufacturing is a novel fabrication method allowing rapid, freeform, layer-less 3D printing. Analogous to computer tomography (CT), the method projects dynamic light patterns into a rotating vat of photosensitive resin. These light patterns build up a three-dimensional energy dose within the photosensitive resin, solidifying the volume of the desired object within seconds. Departing from established sequential fabrication methods like stereolithography or digital light printing, volumetric additive manufacturing offers new opportunities for the materials that can be used for printing. These include viscous acrylates and elastomers, epoxies (and orthogonal epoxy-acrylate formulations with spatially controlled stiffness) formulations, tunable stiffness thiol-enes and shape memory foams, polymer derived ceramics, silica-nanocomposite based glass, and gelatin-based hydrogels for cell-laden biofabrication. Here we review these materials, highlight the challenges to adapt them to volumetric additive manufacturing, and discuss the perspectives they present. Graphical abstract: [Figure not available: see fulltext.]

Original languageEnglish
JournalMRS Communications
Volume13
Pages (from-to)764–785
ISSN2159-6859
DOIs
Publication statusPublished - 2023

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