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The rotating shaft in the glven figure is machined from AISI 1020 CD steel. It is subjected to a force of F=7 kN. Find the mi
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Answer #1

Solution:

The value of theoretical stress concentration factor is 1.7

The value of notch sensitivity is 0.78

The value of fatigue stress concentration factor is 1.55

The stress incentratos factors for fatigue analysis, Form Fig A-15-9, vd=3135= 0.086 old = 50/35 = 1:43 Kt=17 - Notch sensitiJa2 0-246- 3-08(16) (66-2) + 1-51 (16)(68-23- -2-67Cเ68) 68.23 Ja - 6-0977| | - 0 - 78 0.017) 6-118 - + 4 Ct4) = 1+ 6 18 (14)

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