The goal of this work is to study the feasibility of the characterization of the fracture strength of porous alumina/zirconia thin layers by three‐point bending and Weibull analysis. Films have been obtained by electrophoretic deposition on graphite and thermo‐gelation of the deposit with carrageenan. On sintering, graphite is burned out and self‐supported films are obtained. Strength values are well fitted to a simple two‐parameter Weibull distribution. The fracture origins are subcritical growth cracks that originated at the surface irregularities associated with the processing method. A Weibull modulus around 3 is obtained.
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González et al. (2005) studied this question.
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