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QUESTION
Estimate the theoretical fracture strength (in mpa) of a brittle material if it is known that fracture occurs by the propagation of an elliptically-shaped surface crack of length 0.25 mm that has a ti
Estimate the theoretical fracture strength (in mpa) of a brittle material if it is known that fracture occurs by the propagation of an elliptically-shaped surface crack of length 0.25 mm that has a tip radius of curvature of 0.004 mm when a stress of 1060 mpa is applied.
