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RESEARCH PAPERS

Effect of Creep Relaxation of Prestress on the Integrity of Axisymmetric Wire-Wound Cylindrical Pressure Vessel

[+] Author and Article Information
M. Sabbaghian, M. H. Baroud

Mechanical Engineering Department, Louisiana State University, Baton Rouge, LA 70803

J. Pressure Vessel Technol 112(3), 256-259 (Aug 01, 1990) (4 pages) doi:10.1115/1.2928622 History: Received January 22, 1989; Revised April 03, 1990; Online June 17, 2008

Abstract

The creep relaxation of prestress in a wire-wound cylindrical vessel based on power function creep law is obtained. In this analysis, it is assumed that the wire is wrapped perpendicular to the axis of the cylinder. The relaxed stress at each layer of wire at any time t is then employed to determine the capability of the cylinder to safely contain an internal pressure. The maximum allowable pressure is obtained as a function of time.

Copyright © 1990 by The American Society of Mechanical Engineers
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