Cyclic Plasticity Behavior of Thick Walled FGM Cylinder Based on Nonlinear Kinematic Hardening

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ASGARI M.; Khanmohammadi A.; PARSA M.

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Paper Information

Journal: JOURNAL OF MECHANICAL ENGINEERING Year:2018 | Volume:48 | Issue:2 (83) Page(s): 201-208

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Title

Cyclic Plasticity Behavior of Thick Walled FGM Cylinder Based on Nonlinear Kinematic Hardening

Author(s)

ASGARI M. | Khanmohammadi A. | PARSA M. | Issue Writer Certificate

Keywords

Cyclic Plasticity

FEM

FGM Thick Cylinder

Ratcheting

Abstract

The composition of several different materials is often used in structural components in order to optimize the responses of structures subjected to severe thermal and mechanical loads. Functionally graded materials (FGMs) are suitable to achieve this purpose in the case of pressure vessels. On the other hand these structures usually sustain cyclic loadings resulting in Ratcheting and shakedown behavior. In this study the nonlinear kinematic hardening theories are used to evaluate the cyclic loading behavior of a thick walled FGM Cylinder under internal pressure. The power law volume fraction distribution of materials, geometry and mechanical load are assumed to be axisymmetric. The finite element method combined with a multi-layered approach is used to model the structure by ABAQUS software. The response of structure under cyclic loadings is considered. Fredrick & Armstrong nonlinear kinematic hardening theories based on different type of back stress numbers are used to predict the Ratcheting and shakedown behavior of the structure. The effects of variation of materials distribution on cyclic behavior are also studied. The achieved results show that using functionally graded material leads to a more flexible design so that cyclic rupture can be improved by selecting a suitable material distribution profiles.

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APA: Copy

ASGARI, M., Khanmohammadi, A., & PARSA, M.. (2018). Cyclic Plasticity Behavior of Thick Walled FGM Cylinder Based on Nonlinear Kinematic Hardening. JOURNAL OF MECHANICAL ENGINEERING, 48(2 (83) ), 201-208. SID. https://sid.ir/paper/270018/en

Vancouver: Copy

ASGARI M., Khanmohammadi A., PARSA M.. Cyclic Plasticity Behavior of Thick Walled FGM Cylinder Based on Nonlinear Kinematic Hardening. JOURNAL OF MECHANICAL ENGINEERING[Internet]. 2018;48(2 (83) ):201-208. Available from: https://sid.ir/paper/270018/en

IEEE: Copy

M. ASGARI, A. Khanmohammadi, and M. PARSA, “Cyclic Plasticity Behavior of Thick Walled FGM Cylinder Based on Nonlinear Kinematic Hardening,” JOURNAL OF MECHANICAL ENGINEERING, vol. 48, no. 2 (83) , pp. 201–208, 2018, [Online]. Available: https://sid.ir/paper/270018/en

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