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Plane strain analytical solutions for a functionally graded elastic-plastic pressurized tube
Date
2006-09-01
Author
Eraslan, Ahmet Nedim
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Plane strain analytical solutions to functionally graded elastic and elastic-plastic pressurized tube problems are obtained in the framework of small deformation theory. The modulus of elasticity and the uniaxial yield limit of the tube material are assumed to vary radially according to two parametric parabolic forms. The analytical plastic model is based on Tresca's yield criterion, its associated flow rule and ideally plastic material behaviour. Elastic, partially plastic and fully plastic stress states are investigated. It is shown that the elastoplastic response of the functionally graded pressurized tube is affected significantly by the material nonhomogeneity. Different modes of plasticization may take place unlike the homogeneous case. It is also shown mathematically that the nonhomogeneous elastoplastic solution presented here reduces to that of a homogeneous one by appropriate choice of the material parameters.
Subject Keywords
Mechanical Engineering
,
General Materials Science
,
Mechanics of Materials
URI
https://hdl.handle.net/11511/37285
Journal
INTERNATIONAL JOURNAL OF PRESSURE VESSELS AND PIPING
DOI
https://doi.org/10.1016/j.ijpvp.2006.07.003
Collections
Department of Engineering Sciences, Article
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A. N. Eraslan, “Plane strain analytical solutions for a functionally graded elastic-plastic pressurized tube,”
INTERNATIONAL JOURNAL OF PRESSURE VESSELS AND PIPING
, pp. 635–644, 2006, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/37285.