ArticleScientific reports2017
Cymbiola nobilis shell: Toughening mechanisms in a crossed-lamellar structure.
Article in Scientific reports, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- A Novel Triad of Bio-Inspired Design, Digital Fabrication, and Bio-Derived Materials for Personalised Bone Repair.Materials (Basel, Switzerland) · 2024Review
- Organization and Formation of the Crossed-Foliated Biomineral Microstructure of Limpet Shells.ACS biomaterials science & engineering · 2023Article
- Bioinspired Additive Manufacturing of Hierarchical Materials: From Biostructures to Functions.Research (Washington, D.C.) · 2023Review
- Flexible embryonic shell allies large offspring size and anti-predatory protection in viviparous snails.Scientific reports · 2022Article
- Study on the Fracture Toughness of Softwood and Hardwood Estimated by Boundary Effect Model.Materials (Basel, Switzerland) · 2022Article
- Microstructure Analysis and Chemical and Mechanical Characterization of the Shells of Three Freshwater Snails.ACS omega · 2020Article
- Foamy oysters: vesicular microstructure production in the Gryphaeidae via emulsification.Journal of the Royal Society, Interface · 2020Article
- Anisotropy of Mechanical Properties ofNanomaterials (Basel, Switzerland) · 2020Article
- The mechanical principles behind the golden ratio distribution of veins in plant leaves.Scientific reports · 2018Article
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Authors and funding
3 authors.
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No grant is acknowledged in the PubMed record.
Abstract
Natural structural materials with intricate hierarchical architectures over several length scales exhibit excellent combinations of strength and toughness. Here we report the mechanical response of a crossed-lamellar structure in Cymbiola nobilis shell via stepwise compression tests, focusing on toughening mechanisms. At the lower loads microcracking is developed in the stacked direction, and channel cracking along with uncracked-ligament bridging and aragonite fiber bridging occurs in the tiled direction. At the higher loads the main mechanisms involve cracking deflection in the bridging lamellae in the tiled direction alongside step-like cracking in the stacked direction. A distinctive crack deflection in the form of "convex" paths occurs in alternative lamellae with respect to the channel cracks in the tiled direction. Furthermore, a barb-like interlocking mechanism along with the uneven interfaces in the 1st-order aragonite lamellae is also observed. The unique arrangement of the crossed-lamellar structure provides multiple interfaces which result in a complicated stress field ahead of the crack tip, hence increasing the toughness of shell.
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