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A pressurised thin - walled cylinder with a mean radius of 2 . 0 m and a wall thickness of 0 . 0 2 5
A pressurised thinwalled cylinder with a mean radius of and a wall thickness of is made of
a high strength steel with a toughness of MPa at room temperature. The alloy has a yield stress of
MPa and a tensile strength of MPa.
An internal semielliptical edge crack with dimensions and has been detected in the
cylinder. The crack is very near to a weld that has been given a postweld heat treatment. What is the
critical stress level due to applied pressure?
Choose the one answer that is closest to the correct answer.
MPa
MPa
MPa
MPa
MPa
MPa
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