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Elastic properties of ceramic–metal particulate composites
In the present study, the experimental data on the elastic properties of several ceramic–metal systems, Al 2O 3–NiAl, SiC–Al, WC–Co and glass–W, are compiled and compared with several theoretical predictions. These theoretical predictions offer upper and lower bounds on the elastic constants. The el...
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Published in: | Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2005-02, Vol.393 (1), p.133-139 |
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Main Authors: | , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | In the present study, the experimental data on the elastic properties of several ceramic–metal systems, Al
2O
3–NiAl, SiC–Al, WC–Co and glass–W, are compiled and compared with several theoretical predictions. These theoretical predictions offer upper and lower bounds on the elastic constants. The elastic moduli of the ceramic–metal composites fall well within the Voigt–Reuss bounds and Hashin–Shtrikman (H–S) bounds. Though most the Poisson's ratio of ceramic–metal composites falls within the modified H–S bounds, the values of the composites with low second-phase concentration deviate from model predictions. The deviation shows strong dependence on the interconnectivity of each phase in the composites. |
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ISSN: | 0921-5093 1873-4936 |
DOI: | 10.1016/j.msea.2004.10.009 |