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RESEARCH PAPERS

Creep of Thin-Walled Circular Cylinder Under Axial Force, Bending, and Twisting Moments

[+] Author and Article Information
J. H. Lau

Sandia National Laboratory, Albuquerque, N.M. 87185

S. S. Jung

Ebasco, New York, N.Y.

T. T. Lau

Hewlett-Packard, Palo Alto, Calif.

J. Eng. Gas Turbines Power 106(1), 79-83 (Jan 01, 1984) (5 pages) doi:10.1115/1.3239554 History: Received December 27, 1982; Online October 15, 2009

Abstract

An exact analysis is presented for the creep deformation of a thin-walled circular cylinder subjected to the simultaneous actions of axial force, bending, and twisting moments. Dimensionless interaction curves and charts which relate the variables, axial force, location of neutral-axis, bending moment, maximum effective strain rate, twisting moment, and shear strain rate are also provided for engineering practice convenience. The constitutive relationship of the cylinder is described by Prandtl-Nadai creep law.

Copyright © 1984 by ASME
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