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July 3, 2015

Homework Help: Chemistry

Posted by nick on Thursday, May 6, 2010 at 9:05am.

A spherical rubber balloon has an initial thickness of 0.45mm, and diameter 250mm. Final diameter of 1000mm.
Find final thickness, true stress in the plane of the balloon wall, Air pressure required.
(Assume rubber is idea and obeys Guassian statistics, and take the shear modulus to be 1MPa.)

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