On the estimation of percentiles of the Weibull distribution

3 pages, no figures. Advanced ceramics exhibit brittle behavior. The lack of ductility and the presence of flaws and defects of different sizes and orientations lead to scatter in failure strength. This variability depends also on the specimen size, stress distribution and stress state. The Weibull theory explains correctly this dependence, so the fracture strength of ceramic materials has been studied using the Weibull statistic as recommended by ASTM Standards for reporting uniaxial strength data of these materials. The authors are indebted to the Fundación Ramón Areces (Área de Materiales, IX Concurso Nacional) for its financial support of this research. Publicado