 | | Mechanics of Solids
A Journal of Russian Academy of Sciences | | Founded
in January 1966
Issued 6 times a year
Print ISSN 0025-6544
Online ISSN 1934-7936 |
Archive of Issues
| Total articles in the database: | | 13427 |
| In Russian (Èçâ. ÐÀÍ. ÌÒÒ): | | 8178
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| In English (Mech. Solids): | | 5249 |
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| Ali Gharakhani and Mahdi Saadatfar, "Influence of Weak Interlayer Bonding on the Thermoelastic Creep Response of a Multi-layered FGM Porous Cylinder," Mech. Solids. 60 (6), 5290-5306 (2025) |
| Year |
2025 |
Volume |
60 |
Number |
6 |
Pages |
5290-5306 |
| DOI |
10.1134/S0025654425603301 |
| Title |
Influence of Weak Interlayer Bonding on the Thermoelastic Creep Response of a Multi-layered FGM Porous Cylinder |
| Author(s) |
Ali Gharakhani (Department of Mechanical Engineering, University of Qom, Qom, Iran, a.gharahkhani@stu.qom.ac.ir)
Mahdi Saadatfar (Department of Mechanical Engineering, University of Qom, Qom, Iran, m.saadatfar@qom.ac.ir) |
| Abstract |
A rotating Multi-layered porous hollow long cylinder with imperfect bonding made of functionally graded material (FGM) was considered. The creep evolution problem was solved analytically
for it. It was subjected to thermoelastic loads as well as a Winkler elastic foundation. The stress-strain
relation and equilibrium equation were used to obtain a differential equation containing creep strains.
First, an analytical solution was presented for the primitive condition ignoring the creep strains. Next,
time-dependent stress and displacement rates were achieved by supposing fixed thermo-mechanical
boundaries. Finally, an iterative procedure was used to find the history of creep stresses and deformation. Also, the effect of key parameters such as grading index, porosity, bonding imperfection, elastic
foundation, and thermal loading was investigated in some numerical examples. The results show the
significant effect of grading index and imperfect bonding in the creep response of smart multi-layered
cylinders. |
| Keywords |
Time-dependent analysis, Porosity, Creep evolution, Multi-layered cylinder, Imperfect bonding, FGM |
| Received |
21 June 2025 | Revised |
08 August 2025 | Accepted |
12 September 2025 |
| Link to Fulltext |
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