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A very wide plate has a crack of 2 mm . Aluminum 2024-T3 is subjected to 9 MPa(Sqrt(m)) under zero-to-tension conditions under plane stress. Assume

A very wide plate has a crack of 2mm. Aluminum 2024-T3 is subjected to 9MPa(Sqrt(m)) under zero-to-tension conditions under plane stress. Assume that after the crack reaches 4mm, the structure is overloaded every other cycle until failure.

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