ArticleProceedings of the National Academy of Sciences of the United States of America2018
Simultaneous improvements of strength and toughness in topologically interlocked ceramics.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Curvature-Waviness Interaction in Self-Locking Honeycombs: Contact-Driven Compression and Progressive Compaction.Materials (Basel, Switzerland) · 2026Article
- On-demand auxeticity and co-existing pre-tension induced compression stage in a sandwich design with kinematically constrained 3D suture tiles.Nature communications · 2024Article
- Environmentally Responsive Materials for Building Envelopes: A Review on Manufacturing and Biomimicry-Based Approaches.Biomimetics (Basel, Switzerland) · 2023Review
- Granular crystals as strong and fully dense architectured materials.Proceedings of the National Academy of Sciences of the United States of America · 2023Article
- Experimental Analysis of the Relationship between Textile Structure, Tensile Strength and Comfort in 3D Printed Structured Fabrics.Polymers · 2022Article
- Predicting stress, strain and deformation fields in materials and structures with graph neural networks.Scientific reports · 2022Article
- Anomalous inapplicability of nacre-like architectures as impact-resistant templates in a wide range of impact velocities.Nature communications · 2022Article
- Dielectric tetrahedrons as terahertz resonators switched from perfect absorber to reflector.Scientific reports · 2020Article
Corrections and comments
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Topologically interlocked materials (TIMs) are an emerging class of architectured materials based on stiff building blocks of well-controlled geometries which can slide, rotate, or interlock collectively providing a wealth of tunable mechanisms, precise structural properties, and functionalities. TIMs are typically 10 times more impact resistant than their monolithic form, but this improvement usually comes at the expense of strength. Here we used 3D printing and replica casting to explore 15 designs of architectured ceramic panels based on platonic shapes and their truncated versions. We tested the panels in quasi-static and impact conditions with stereoimaging, image correlation, and 3D reconstruction to monitor the displacements and rotations of individual blocks. We report a design based on octahedral blocks which is not only tougher (50×) but also stronger (1.2×) than monolithic plates of the same material. This result suggests that there is no upper bound for strength and toughness in TIMs, unveiling their tremendous potential as structural and multifunctional materials. Based on our experiments, we propose a nondimensional "interlocking parameter" which could guide the exploration of future architectured systems.
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