Primary Creep Design of Thick Tubes

[+] Author and Article Information
E. M. Smith

Department of Mechanical and Marine Engineering, The University of Newcastle Upon Tyne, Newcastle Upon Tyne, England

J. Basic Eng 87(2), 379-383 (Jun 01, 1965) (5 pages) doi:10.1115/1.3650557 History: Received August 12, 1964; Online November 03, 2011


For thick tubes subjected to internal pressure, the estimation of creep-life by the cumulative damage criterion requires knowledge of the time variation of stress and strain at certain critical radii. An approximate method of analysis for primary creep is described which provides the stress and strain data required. The theory is based on a design concept first proposed by Voorhees, et al., and results obtained using the theory with a time-hardening law are presented.

Copyright © 1965 by ASME
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