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Multiscale Toughening Mechanisms in Biological Materials and Bioinspired Designs

Huang, Wei, Restrepo, David, Jung, Jae‐Young, Su, Frances Y., Liu, Zengqian, Ritchie, Robert O., McKittrick, Joanna, Zavattieri, Pablo, Kisailus, David·2019·Advanced Materials

Abstract

Biological materials found in Nature such as nacre and bone are well recognized as light‐weight, strong, and tough structural materials. The remarkable toughness and damage tolerance of such biological materials are conferred through hierarchical assembly of their multiscale (i.e., atomic‐ to macroscale) architectures and components. Herein, the toughening mechanisms of different organisms at multilength scales are identified and summarized: macromolecular deformation, chemical bond breakage, and biomineral crystal imperfections at the atomic scale; biopolymer fibril reconfiguration/deformation and biomineral nanoparticle/nanoplatelet/nanorod translation, and crack reorientation at the nanoscale; crack deflection and twisting by characteristic features such as tubules and lamellae at the microscale; and structure and morphology optimization at the macroscale. In addition, the actual loading conditions of the natural organisms are different, leading to energy dissipation occurring at different time scales. These toughening mechanisms are further illustrated by comparing the experimental results with computational modeling. Modeling methods at different length and time scales are reviewed. Examples of biomimetic designs that realize the multiscale toughening mechanisms in engineering materials are introduced. Indeed, there is still plenty of room mimicking the strong and tough biological designs at the multilength and time scale in Nature.

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Metadata

Authors
Huang, W., Restrepo, D., Jung, J., Su, F. Y., Liu, Z., Ritchie, R. O., McKittrick, J., Zavattieri, P., & Kisailus, D.
Venue
Advanced Materials
Publisher
Wiley
Published
2019-07-03
Volume
31
Issue
43
Pages
e1901561-e1901561
ISSN
  • 0935-9648 (ISSN-L)
  • 1521-4095
OpenAlex
W2953997303
Cited by
662
References
9
FWCI
15.23
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Multiscale Toughening Mechanisms in Biological Materials and Bioinspired Designs. https://app.cochat.ai/papers/10.1002/adma.201901561
The paper
Huang, W., Restrepo, D., Jung, J., Su, F. Y., Liu, Z., Ritchie, R. O., McKittrick, J., Zavattieri, P., & Kisailus, D. (2019). Multiscale Toughening Mechanisms in Biological Materials and Bioinspired Designs. Advanced Materials. https://doi.org/10.1002/adma.201901561

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