Flexible Ceramics in the System KZr2(PO4)3-KAlSi2O6 Prepared by Mimicking the Microstructure of Itacolumite

A ceramic composite mimicking the pervasively cracked microstructure of flexible sandstone (itacolumite) was successfully synthesized by sintering two ceramic materials with different thermal expansion coefficients. A combination of granular KZr2(PO4)3 (high thermal expansion) and powdered KAlSi2O6...

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Bibliographic Details
Published in:Journal of the American Ceramic Society 2008-02, Vol.91 (2), p.607-610
Main Authors: Sato, Isshu, Ichikawa, Yoshitaka, Sakanoue, Junji, Mizutani, Mamoru, Adachi, Nobuyasu, Ota, Toshitaka
Format: Article
Language:English
Subjects:
Applied sciences
Building materials. Ceramics. Glasses
Ceramic industries
Cermets, ceramic and refractory composites
Chemical industry and chemicals
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Materials science
Miscellaneous
Other materials
Physics
Specific materials
Technical ceramics
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Summary:A ceramic composite mimicking the pervasively cracked microstructure of flexible sandstone (itacolumite) was successfully synthesized by sintering two ceramic materials with different thermal expansion coefficients. A combination of granular KZr2(PO4)3 (high thermal expansion) and powdered KAlSi2O6 (low thermal expansion) resulted in a material with a jigsaw‐like three‐dimensional cracking microstructure similar to that of itacolumite. The synthesized composite was found to exhibit ductile deformation.
ISSN:0002-7820
1551-2916
DOI:10.1111/j.1551-2916.2007.02118.x