Question: Crack length versus cycle data is given in the table below from a test on a edge-cracked plate of 7075-T6 aluminum. The specimen dimensions:

Crack length versus cycle data is given in the table below from

Crack length versus cycle data is given in the table below from a test on a edge-cracked plate of 7075-T6 aluminum. The specimen dimensions: h = 445, b = 152.4, and t = 2.29 mm. The force was cycled between 10 KN and a maximum value of 48 KN M P Obtain the da/d and AK values. Illustrate the Kth and Kvalues on a sketched diagram. Discuss the methods to increase the life of the component. Indicate to all the graphs, charts and diagrams that will be used to solve this question a-mm N-cycles J 1 5.04 0 2 7.60 18300 3 10.25 28300 4 12.00 35000 5 15.50 40000 6 17.75 43000 7 20.30 47000 8 22.80 50000 9 25.50 52000 10 30.50 57000 11 35.75 59000 12 40.50 61000 13 45.75 62000

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