Standardized Weibull statistics of ceramic strength

In order to estimate Weibull parameters in the statistical fracture theory as truly material properties independent of specimen geometry and loading mode, first is transformed into ordinary distribution function under certain approximation. Then standardized format introduced enable modulus single parameter for estimation via maximum likelihood method. The method using strength data synchronization validated by analyzing extensive sets measured from uniaxial flexure, biaxial flexure their combination, smooth notched specimens. technical path scale threshold effect sample size on accuracy are also discussed.