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 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 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. Obtain the da/dN and AK values. Illustrate the Ken and Kic values 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. Page 5 of 7 ENGP5202 - Structural Integrity 1 2 3 4 6 7 8 9 10 11 12 13 a-mm 5.04 7.60 10.25 12.00 15.50 17.75 20.30 22.80 25.50 30.50 35.75 40.50 45.75 N-cycles 0 18300 28300 35000 40000 43000 47000 50000 52000 57000 59000 61000 62000

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Solution Table 1 Crack length vs Cycle data a mm N cycles 504 0 760 18300 1025 28300 1200 ... View full answer

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