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

Introduction:

Here the analysis is carried out when the a portion of the cylinder is plastic.

 

Description:

The stress distributions in the plastic zone are given by:

To find the pressure to just cause yield, put

where P, is the internal pressure that causes the onset of yield. Therefore,

To determine the hoop stress dlstribution in the plastic zone, it must be remembered that

Plots of the stress distributions in a partially plastic cylinder, under internal pressure, are shown in Figure

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