Maurice Tutor

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    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 20 Nov 2017 My Price 7.00

unnotched material

The axially loaded plate with a hole of Prob. 10.17, made of 2024-T4 aluminum as in Table 9.1, has a value of kf = 2.36, and the hole is smoothly polished.

(a) Estimate the S-N curve for unnotched material according to the procedure of Juvinall.

(b) What life is expected if an axial force amplitude of Pa = 40 kN is applied at a mean level of Pm = 32 kN?

Prob. 10.17

The aluminum alloy 2024-T4 of Table 9.1 is to be used in the form of a plate with a central hole under axial loading, as in Fig. A.11(a). The dimensions are w = 50, d = 10, and t = 20 mm. For a life of N f = 107 cycles, estimate the mean force Pm if the force amplitude is Pa = 50 kN: (a) using Eq. 10.21 and (b) using Eq. 10.28.

Figure A.11

Answers

Maurice Tutor
(5)
Status NEW Posted 20 Nov 2017 04:11 PM My Price 7.00

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