ArticleMaterials (Basel, Switzerland)2023
Koch Hierarchical Honeycomb: A Fractal-Based Design for Enhanced Mechanical Performance and Energy Absorption.
Article in Materials (Basel, Switzerland), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed.
- Curvature-Waviness Interaction in Self-Locking Honeycombs: Contact-Driven Compression and Progressive Compaction.Materials (Basel, Switzerland) · 2026Article
- Hierarchical Fractal Interfaces in 3D-Printed Stiff-Soft Polymer Composites: Fracture Resistance and Toughening Mechanisms.Polymers · 2026Article
- Biomimetic Lattice Structures Design and Manufacturing for High Stress, Deformation, and Energy Absorption Performance.Biomimetics (Basel, Switzerland) · 2025Review
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5 authors.
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Abstract
A novel energy-absorbing structure, the Koch hierarchical honeycomb, which combines the Koch geometry with a conventional honeycomb structure, is proposed in this work. Adopting a hierarchical design concept using Koch has improved the novel structure more than the honeycomb. The mechanical properties of this novel structure under impact loading are studied by finite element simulation and compared with the conventional honeycomb structure. To effectively verify the reliability of the simulation analysis, quasi-static compression experiments were conducted on 3D-printed specimens. The results of the study showed that the first-order Koch hierarchical honeycomb structure increased the specific energy absorption by 27.52% compared to the conventional honeycomb structure. Furthermore, the highest specific energy absorption can be obtained by increasing the hierarchical order to 2. Moreover, the energy absorption of triangular and square hierarchies can be significantly increased. All achievements in this study provide significant guidelines in the reinforcement design of lightweight structures.
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