The Dynamic Viscoplastic Expansion of a Cylindrical Tube

[+] Author and Article Information
E. J. Appleby

Illinois Institute of Technology, Chicago, Ill.

J. Appl. Mech 31(4), 654-658 (Dec 01, 1964) (5 pages) doi:10.1115/1.3629727 History: Received September 19, 1963; Online September 15, 2011


The viscoplastic flow of a long thick-walled tube is investigated. The tube is subjected to internal pressure and has its ends restrained from motion in the axial direction. The material of the tube is rigid-viscoplastic and incompressible. The pressure required to produce a specified expansion of the tube is calculated for two examples. In the former the effect of different viscosity coefficients is observed. In the latter example a comparison is made of the effects of perfect plasticity, viscosity, and inertia.

Copyright © 1964 by ASME
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