A 1 foot plate with a 0.25-inch thickness has a width of 2.4 inch and a hole at the middle with a diameter of 2 inch. The material has an ultimate strength of 132 ksi and a yield strength of 84 ksi. A repeated 52N tensile load is applied along its neutral axis in the direction of its length at a temperature of 90 degree fahrenheit. The surface finish is Ground. The reliability of the material is targeted at 99.99%.  Calculate: The Theoretical Stress Concentration Factor The Fatigue Stress Concentration Factor The Factor of Safety for the Goodman Criterion The Factor of Safety for the Soderberg Criterion The Factor of Safety for the Gerber Criterion The Factor of Safety for the ASME-Elliptic Criterion.

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Chapter1: Introduction
Section: Chapter Questions
Problem 1.5.6P: The data in Table 1.5.3 were obtained from a tensile test of a metal specimen with a rectangular...
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A 1 foot plate with a 0.25-inch thickness has a width of 2.4 inch and a hole at the middle with a diameter of 2 inch. The material has an ultimate strength of 132 ksi and a yield strength of 84 ksi. A repeated 52N tensile load is applied along its neutral axis in the direction of its length at a temperature of 90 degree fahrenheit. The surface finish is Ground. The reliability of the material is targeted at 99.99%. 

Calculate:

  1. The Theoretical Stress Concentration Factor
  2. The Fatigue Stress Concentration Factor
  3. The Factor of Safety for the Goodman Criterion
  4. The Factor of Safety for the Soderberg Criterion
  5. The Factor of Safety for the Gerber Criterion
  6. The Factor of Safety for the ASME-Elliptic Criterion.
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