THERMOELASTIC PROPERTIES OF COMPOSITES CONTAINING ELLIPSOIDAL INHOMOGENEITIES

• Published in: Journal of thermal stresses Vol. 23; no. 3; pp. 233 - 255
• Main Authors: EL MOUDEN, M, MOLINARI, A
• Format: Journal Article
• Language: English
• Published: Washington, DC Informa UK Ltd 01.04.2000; Taylor & Francis
• Subjects: Condensed matter: structure, mechanical and thermal properties; Exact sciences and technology; Fundamental areas of phenomenology (including applications); Physics; Solid mechanics; Static elasticity (thermoelasticity...); Structural and continuum mechanics; Thermal expansion; thermomechanical effects and density; Thermal properties of condensed matter; Thermal properties of crystalline solids; Thermal stress; Geometrical shape; Solid inclusion; Anisotropic material; Thermomechanical properties; Dispersion reinforced material; Experimental study; Orientation; Composite material; Heterogeneity; Spatial distribution; Silicon oxides; Thermoelasticity; Integral equation; Measurement method; Effective medium model; Ellipsoid; Isotropic material
• ISSN: 0149-5739; 1521-074X
• DOI: 10.1080/014957300280425

This article studies the thermal stresses and the effective thermoelastic properties of composites containing ellipsoidal inhomogeneities. The cluster scheme developed recently by A. Molinari and M. El Mouden in The Problem of Elastic Inclusions at Finite Concentration, Int. J. Solids Struct, vol. 33, pp. 3131 - 3150, 1996, for the case of elastic inclusions embedded in an isotropic elastic matrix, is generalized to the case of ellipsoidal thermoelastic inclusions embedded in an anisotropic thermoelastic matrix. The shape, spatial distribution, and orientation of the inhomogeneities are taken into account in our scheme. The theoretical results for a composite of S i O 2 particles in a Kerimid matrix are in good agreement with experimental measurements.