Assignment10 - than 2% (that means that the ratio is...

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1) Problem 6.11. For this problem compare the radius of the plastic zone for equal loading on each material, and then also when the stress intensity factor is equal to the fracture toughness of each material. At a given load the difference is more than 30%, at the onset of fracture, the difference between the two materials is less
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Unformatted text preview: than 2% (that means that the ratio is between 0.98 and 1.02). Assume that Poisson’s ratio is 0.3. 2) Problem 6.13. Answer is 47256 cycles. Example 6.5 should be helpful. Additional intermediate results: Critical crack size is 0.0661m, stress intensity amplitude is 363a. 3) Problem 7.1....
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This note was uploaded on 06/06/2011 for the course EAS 4200C taught by Professor Kim during the Fall '09 term at University of Florida.

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