Theoretical Density of Refractory and Ceramic Materials

Theoretical Density of Refractory and Ceramic Materials The concept of the Mie potential and a new understanding of the nature of the forces acting between structural components of a substance (atoms, ions, molecules) are used to develop a model allowing for the effect of the thermal action of particles (the thermal field) on the chemical bonds in the substance. The new concepts on the chemical bond are used to derive a formula for the theoretical strength of materials in a wide temperature range. The calculated values of the theoretical strength of Al2O3, SiO2 (glass), and SiC at 293 K agree well with the actual strength of whiskers. The established temperature dependence of the theoretical strength of Al2O3 is adequate to the temperature dependence of the actual strength of whiskers. The theoretical strength is a physical parameter of a material and can serve as a comparative characteristic for choosing a material for specific service conditions. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Refractories and Industrial Ceramics Springer Journals

Theoretical Density of Refractory and Ceramic Materials

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Publisher
Kluwer Academic Publishers-Plenum Publishers
Copyright
Copyright © 2001 by Plenum Publishing Corporation
Subject
Materials Science; Characterization and Evaluation of Materials; Materials Science, general; Ceramics, Glass, Composites, Natural Materials
ISSN
1083-4877
eISSN
1573-9139
D.O.I.
10.1023/A:1011340901747
Publisher site
See Article on Publisher Site

Abstract

The concept of the Mie potential and a new understanding of the nature of the forces acting between structural components of a substance (atoms, ions, molecules) are used to develop a model allowing for the effect of the thermal action of particles (the thermal field) on the chemical bonds in the substance. The new concepts on the chemical bond are used to derive a formula for the theoretical strength of materials in a wide temperature range. The calculated values of the theoretical strength of Al2O3, SiO2 (glass), and SiC at 293 K agree well with the actual strength of whiskers. The established temperature dependence of the theoretical strength of Al2O3 is adequate to the temperature dependence of the actual strength of whiskers. The theoretical strength is a physical parameter of a material and can serve as a comparative characteristic for choosing a material for specific service conditions.

Journal

Refractories and Industrial CeramicsSpringer Journals

Published: Oct 9, 2004

References

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