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07-02ChapGere.0006

# 07-02ChapGere.0006 - 444 A-PDF Analysis of Stress and...

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444 CHAPTER 7 Analysis of Stress and Strain (b) M AXIMUM SHEAR STRESSES and 90.1 MPa and 90.1 MPa s aver s x s y 2 25.0 MPa u s 2 u p 1 45 151.85 u s 1 u p 1 45 61.85 t max B ¢ s x s y 2 2 t xy 2 90.1 MPa } x O 90.1 MPa s 1 61.85 25.0 MPa 25.0 MPa y Problem 7.3-17 At a point on the surface of a machine component the stresses acting on the x face of a stress element are x 6500 psi and xy 2100 psi (see figure). What is the allowable range of values for the stress y if the maximum shear stress is limited to 0 2900 psi? Solution 7.3-17 Allowable range of values y x O xy = 2100 psi y x = 6500 psi 2 4 6 0 5 10 15 2.5 6.5 10.5 5 Eq. (3) y (ksi) 2.1 ksi 2.9 ksi ( o ) max (ksi) x 6500 psi

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07-02ChapGere.0006 - 444 A-PDF Analysis of Stress and...

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