7.3-18 a - 592 CHAPTER 7 Analysis of Stress and Strain...

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Unformatted text preview: 592 CHAPTER 7 Analysis of Stress and Strain Solution 7.3—17 o-J. = 5900 psi 03. unknown 7” = [950 psi Therefore. 277'] psi s 03. E 9029 psi Find the allowable range of values lo: 0'". if the From Eq. (1): maximum allowable shear stresses is; rum 7:- 2500 psi 7mm; (0')") = ' Tum 2 (1) Solve for {Ty 2 VFW“: w T“: 9029- . 03. = (11- + _ (EV/Em?) (Ty : (2771') p51 3 1m tat ; 9.029ksi ”I. Problem 73-18 At a point on the surface 01' a machine component the Stresses fitting. on the ,t' l‘aee Ol’ a stress element are (11‘. = 42 MPa and T“. = 33 MPH (see figure). What in the allowable range ol‘ values for the stress cr_,. if the maximum shear ? U" stress is limited to T” = 35 MPa‘.’ Sniutian 73-18 01‘ x 4-2 MPa 0'). unknown 7'” x 33 MPa il (1) ‘max Find the allowable range of values for a". it’ the maximum allowable shear stresses is rum 2 35 MPa ...
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