ArticleScience advances2023
Knots are not for naught: Design, properties, and topology of hierarchical intertwined microarchitected materials.
Article in Science advances, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
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Who cites it
10 citing papers in PubMed.
- In situ mechanical characterization of functional and architected materials.Nature materials · 2026Review
- Computational Mechanics Model to Evaluate the Structural Maintenance of Catenated Hydrogen-Bonded Organic Frameworks.Small (Weinheim an der Bergstrasse, Germany) · 2026Article
- Mechanical compliance enhances the impulsive energy absorption of glassy polymer films.Proceedings of the National Academy of Sciences of the United States of America · 2026Article
- Design framework for programmable three-dimensional woven metamaterials.Nature communications · 2026Article
- Mechanics-informed fabric actuators with aligned fiber crossings.Science advances · 2026Article
- Trusses beyond trusses: intertwined and straw-based metamaterials and beyond.NPJ metamaterials · 2026Review
- Embracing nonlinearity and geometry: a dimensional analysis guided design of shock absorbing materials.Nature communications · 2025Article
- Dual-bond fracture metamaterials with full-field extrinsic toughening.Nature communications · 2025Article
- Double-network-inspired mechanical metamaterials.Nature materials · 2025Article
- Structure and Optical Anisotropy of Spider Scales and Silk: The Use of Chromaticity and Azimuth Colors to Optically Characterize Complex Biological Structures.Nanomaterials (Basel, Switzerland) · 2023Article
Corrections and comments
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Authors and funding
4 authors.
Funding
Abstract
Lightweight and tough engineered materials are often designed with three-dimensional hierarchy and interconnected structural members whose junctions are detrimental to their performance because they serve as stress concentrations for damage accumulation and lower mechanical resilience. We introduce a previously unexplored class of architected materials, whose components are interwoven and contain no junctions, and incorporate micro-knots as building blocks within these hierarchical networks. Tensile experiments, which show close quantitative agreements with an analytical model for overhand knots, reveal that knot topology allows a new regime of deformation capable of shape retention, leading to a ~92% increase in absorbed energy and an up to ~107% increase in failure strain compared to woven structures, along with an up to ~11% increase in specific energy density compared to topologically similar monolithic lattices. Our exploration unlocks knotting and frictional contact to create highly extensible low-density materials with tunable shape reconfiguration and energy absorption capabilities.
Identifiers
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.