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Computation of transient thermal stresses in elastic-plastic tubes: Effect of coupling and temperature-dependent physical properties
Date
2002-06-01
Author
Eraslan, Ahmet Nedim
Orcan, Y
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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The objective of this study is to obtain the transient solution of the thermoelastic-plastic deformation of internal heat-generating tubes by considering the thermomechanical coupling effect and the temperature-dependent physical properties of the material. The previously developed steady-state model describing the elastic-plastic behavior of the tubes is modified to obtain the transient solution. The propagation of the elastic-plastic interface for a given heat load is obtained; and the corresponding stress, displacement, and plastic strain components are computed. The effect of the coupling is investigated using three different engineering materials, namely, steel, aluminum, and magnesium; and it has been found to be negligible. On the other hand, the temperature dependence of the mechanical and thermal properties affects the computed profiles significantly.
Subject Keywords
Yield-stress
URI
https://hdl.handle.net/11511/37682
Journal
JOURNAL OF THERMAL STRESSES
DOI
https://doi.org/10.1080/01495730290074298
Collections
Department of Engineering Sciences, Article