ArticleScientific reports2020
Properties and role of interfaces in multimaterial 3D printed composites.
Article in Scientific reports, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed.
- Review
- Inverse design of stochastic, voxelated thermo-viscoelastic digital materials.Nature communications · 2025Article
- A tough soft-hard interface in the human knee joint driven by multiscale toughening mechanisms.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Article
- Multiscale mechanical characterization of biobased photopolymers towards sustainable vat polymerization 3D printing.RSC advances · 2024Article
- Measured and simulated mechanical properties of additively manufactured matrix-inclusion multimaterials fabricated by material jetting.3D printing in medicine · 2024Article
- Comparing linear and non-linear models to estimate the appropriate cochlear implant electrode array length-are current methods precise enough?European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery · 2024Article
- Bioinspired rational design of bi-material 3D printed soft-hard interfaces.Nature communications · 2023Article
- Article
- The Mechanics of Bioinspired Stiff-to-Compliant Multi-Material 3D-Printed Interfaces.Biomimetics (Basel, Switzerland) · 2022Article
- The Emergence of Sequential Buckling in Reconfigurable Hexagonal Networks Embedded into Soft Matrix.Materials (Basel, Switzerland) · 2021Article
Corrections and comments
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Authors and funding
11 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In polyjet printing photopolymer droplets are deposited on a build tray, leveled off by a roller and cured by UV light. This technique is attractive to fabricate heterogeneous architectures combining compliant and stiff constituents. Considering the layer-by-layer nature, interfaces between different photopolymers can be formed either before or after UV curing. We analyzed the properties of interfaces in 3D printed composites combining experiments with computer simulations. To investigate photopolymer blending, we characterized the mechanical properties of the so-called digital materials, obtained by mixing compliant and stiff voxels according to different volume fractions. We then used nanoindentation to measure the spatial variation in mechanical properties across bimaterial interfaces at the micrometer level. Finally, to characterize the impact of finite-size interfaces, we fabricated and tested composites having compliant and stiff layers alternating along different directions. We found that interfaces formed by deposition after curing were sharp whereas those formed before curing showed blending of the two materials over a length scale bigger than individual droplet size. We found structural and functional differences of the layered composites depending on the printing orientation and corresponding interface characteristics, which influenced deformation mechanisms. With the wide dissemination of 3D printing techniques, our results should be considered in the development of architectured materials with tailored interfaces between building blocks.
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Registered trials
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