Question

Please complete all of #6 :)
your result to that from the previous step). 6. Repeat the previous problem. This time, the stress state is oz = 10 ksi, oy = - 20 ksi. 7 Gray cast iron with an ultimate tensile strength of 31 lei and an ultimate com

Answer 1

the factor of safety is more in distortion energy method than the maximum shear stress method.

loksi 6 7 6y= - 2oksi Garg = 10 + (-20) _ - 5ksi R = Ex- Gavg) + Tay² = 5 (10-1-555 = 15ksi tman = R= 15KSI 6- Gaug th= -5 +15=loksi 62= -5-15=-20ksi Care 2- 6R (6:10) ISKS e man= Gyt 2xF.S. Gyf = 37.7ksi F.S. = 37.7 = (1.256] 2 *15 NO, Paat will not yild. FS.C1.250 > 1 60= 56,²+ 622_ (6x62 D J (10)+(-20)2 (10x-90) = 26.4575KS; Go - Gt F.S. Gyle ₂ 37 1 2 3 = (1-424]