Abstract

In this report, we analysed quantitatively the effects of stress distribution, Weibull's shape parameter and volume of a specimen on the flaw-size distribution. We also analysed the effect of grain-size dependence of the fracture toughness on the flaw-size distribution. Furthermore, we presented a new method for estimating Weibull's shape and scale parameters by linear regression using only flaw-size data and the fracture toughness in the uniaxial tensile test.

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