Question: Repeat Probs. 526 using the modified-Mohr theory. A cast aluminum 195-T6 exhibits S ut = 36 kpsi, S uc 5 35 kpsi, and f

Repeat Probs. 5–26 using the modified-Mohr theory.


A cast aluminum 195-T6 exhibits Sut = 36 kpsi, Suc 5 35 kpsi, and εf = 0.045. For the given state of plane stress, 

(a) Using the Coulomb-Mohr theory, determine the factor of safety, 

(b) Plot the failure locus and the load line, and estimate the factor of safety by graphical measurement.
0x (kpsi) Ty (kpsi) Txy (kpsi) 15 -10

0x (kpsi) Ty (kpsi) Txy (kpsi) 15 -10

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