Steady Creep of a Tube Under Combined Bending and Internal Pressure

[+] Author and Article Information
Iain Finnie

Shell Development Company, Emeryville, Calif.

J. Basic Eng 82(2), 462-464 (Jun 01, 1960) (3 pages) doi:10.1115/1.3662622 History: Received February 03, 1959; Online November 04, 2011


It is shown that for a tube in bending the steady-state bending creep rate may be greatly increased by the addition of internal pressure. If the maximum bending stress is small compared to the pressure stress, a very simple expression is obtained for the ratio of bending creep rates with and without internal pressure. Experiments on lead tubes show good agreement with the theory.

Copyright © 1960 by ASME
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