Abstract In this paper a matricity-based thermal conductivity model for interpenetrating phase composites (IPCs) is first developed. The model employs the formulas of effective thermal conductivities for particulate composites together… Click to show full abstract
Abstract In this paper a matricity-based thermal conductivity model for interpenetrating phase composites (IPCs) is first developed. The model employs the formulas of effective thermal conductivities for particulate composites together with the so-called matricities of the constituent phases. The model is then applied to investigate a double edge cracked plate of a ceramic/metal IPC under a thermal shock. The numerical results for an Al2O3/aluminum IPC show that both the peak tensile thermal stress and the peak thermal stress intensity factor (TSIF) are significantly lower than those for the corresponding aluminum particulate Al2O3-matrix composite.
               
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