ArticleScience advances2024
Superior fracture resistance and topology-induced intrinsic toughening mechanism in 3D shell-based lattice metamaterials.
Article in Science advances, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Topology-Enriched Toughness Enhancement in Quasi-Periodic Metastructures Featuring Tailorable Strong-Weak Network.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Article
- Generative adversarial networks enable biomimetic topology fusion with balanced mechanical performance and aesthetic quality.Scientific reports · 2026Article
- Metallic topological structures in bone repair implants: Design, properties, and biological interactions.Journal of orthopaedic translation · 2026Review
- Rib-Reinforced Ultralight and Ultra-Strong Shell Lattices.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Lightweight and ultrastrong 3D nanoarchitected high-entropy ceramic metamaterials.Science advances · 2025Article
- Dual-bond fracture metamaterials with full-field extrinsic toughening.Nature communications · 2025Article
Corrections and comments
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Lattice metamaterials have demonstrated remarkable mechanical properties at low densities. As these architected materials advance toward real-world applications, their tolerance for damage and defects becomes a limiting factor. However, a thorough understanding of the fracture resistance and fracture mechanisms in lattice metamaterials, particularly for the emerging shell-based lattices, has remained elusive. Here, using a combination of in situ fracture experiments and finite element simulations, we show that shell-based lattice metamaterials with Schwarz P minimal surface topology exhibit superior fracture resistance compared to conventional octet truss lattices, with average improvements in initiation toughness up to 150%. This superiority is attributed to the unique shell-based architecture that enables more efficient load transfer and higher energy dissipation through material damage, structural plasticity, and material plasticity. Our study reveals a topology-induced intrinsic toughening mechanism in shell-based lattices and highlights these architectures as a superior design route for creating lightweight and high-performance mechanical metamaterials.
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Registered trials
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