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Issue 4, 2003
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Microstructure of natural plywood-like ceramics: a study by high-resolution electron microscopy and energy-variable X-ray diffraction

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Abstract

The three-dimensional microstructure of a Strombus decorus persicus seashell was studied by means of high-resolution electron microscopy and energy-variable X-ray diffraction on synchrotron beam lines. Energy variation in small steps allows the X-ray penetration depth to be changed precisely and, on this basis, for a non-destructive microstructural analysis with depth resolution to be developed. This technique enabled determination of depth-resolved microstructural parameters, such as the degree of the preferred orientation, the lamella size, and average microstrain fluctuations in both the prismatic and the crossed-lamellar layers of these seashells. The X-ray results were in good agreement with direct observations made by electron microscopy. A detailed study of the shell microstructure shed additional light on the relationship between the structural characteristics and superior mechanical properties of seashells.

Graphical abstract: Microstructure of natural plywood-like ceramics: a study by high-resolution electron microscopy and energy-variable X-ray diffraction

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Publication details

The article was received on 07 Jan 2003, accepted on 18 Feb 2003 and first published on 27 Feb 2003


Article type: Paper
DOI: 10.1039/B300167A
Citation: J. Mater. Chem., 2003,13, 682-688
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    Microstructure of natural plywood-like ceramics: a study by high-resolution electron microscopy and energy-variable X-ray diffraction

    B. Pokroy and E. Zolotoyabko, J. Mater. Chem., 2003, 13, 682
    DOI: 10.1039/B300167A

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