Question: 8 . 2 3 . A structural steel with a fracture toughness of 6 0 MPa m 2 has no surface crack larger than 3

8.23. A structural steel with a fracture toughness of 60MPam2 has no surface crack larger than 3 mm in length. By how much (in %) would this largest
8 . 2 3 . A structural steel with a fracture

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