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Fracture in the crossed-lamellar structure ofConus shells

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Abstract

Crossed-lamellar crystal architecture is the characteristic textural pattern of the calcium carbonate shell in many kinds of molluscs. By loading specimens from shells of the genusConus in various orientations in bending tests it is shown that crossed-lamellar structure is highly anisotropic. This anisotropy is to be expected from the microscopic and submicroscopic structure, particularly the substructure of the primary lamellae and their orientation to one another, and from the paths taken by cracks travelling through layers of different orientation.

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References

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Authors and Affiliations

  1. Department of Biology, University of York, York, UK

    J. D. Currey

  2. Department of Zoology, University of Washington, Seattle, Washington, USA

    A. J. Kohn

Authors
  1. J. D. Currey
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  2. A. J. Kohn
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Currey, J.D., Kohn, A.J. Fracture in the crossed-lamellar structure ofConus shells. J Mater Sci 11, 1615–1623 (1976). https://doi.org/10.1007/BF00737517

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  • DOI: https://doi.org/10.1007/BF00737517

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