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RESEARCH PAPERS

A State Variable Analysis of Inelastic Deformation of Thin Walled Tubes

[+] Author and Article Information
G. L. Wire, D. R. Duncan, N. S. Cannon, G. D. Johnson

Hanford Engineering Development Laboratory, Richland, Wash. 99352

P. S. Alexopoulos, Che-Yu Li

Department of Materials Science and Engineering, Cornell University, Ithaca, N.Y. 14853

S. Mukherjee

Department of Theoretical and Applied Mechanics, Cornell University, Ithaca, N.Y. 14853

J. Eng. Mater. Technol 103(4), 305-313 (Oct 01, 1981) (9 pages) doi:10.1115/1.3225021 History: Received December 11, 1980; Online September 15, 2009

Abstract

This paper presents the results of inelastic analysis performed to calculate the deformation of a thin-walled tube subjected to a variety of loadings at elevated temperatures. A state variable constitutive model is used to describe material behavior. The material parameters for a particular material—Type 316 austenitic stainless steel—are determined from uniaxial load relaxation and tensile tests, and internally pressurized tube tests. The simulated results are compared with experimental data. The significance of the comparisons is discussed in terms of the validity of the state variable approach used here.

Copyright © 1981 by ASME
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