Date : 2016-06-23 12:24:21


The longitudinal stress will be the ‘minimax’ stress in the three-dimensional system of stress.



For this case, the equilibrium considerations of equation apply, so that

Now, according to the maximum shear stress criterion of yield,

Substituting values


For the case of the partially plastic cylinder

R1 = internalradius
R2= outer radius of plastic section of cyhder
R3 = external radius
P1= internal pressure
P2= external pressure

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