A method to estimate the influence of the notch-root radius on the fracture toughness measurement of ceramics
2006
Abstract The fracture toughness measurement of ceramics is based on notched specimens. If the notch-root radius is too large, it leads to overestimate the actual fracture toughness of the material. It is then necessary to control the notch shape and to machine it carefully in order to have a root-radius small enough (
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