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Temperature-dependent shear correction factor with heat transfer based on micromechanical properties for FGM plates

Cited 9 time in Web of Science Cited 9 time in Scopus
Authors

Lee, Sangheon; Lim, Tae-Kyung; Kim, Jung-Hwan; Kim, Ji-Hwan

Issue Date
2022-12
Publisher
Elsevier BV
Citation
Thin-Walled Structures, Vol.181, p. 110095
Abstract
For a development of aerospace structures in high-temperature regions, Functionally Graded Materials (FGMs) have been used rather than conventional composites. In this regard, present work considers the FGM models in thermal environments, and crucial evaluation to supplement the heat conduction is investigated. To model the thermal-structural interactions, the First-order Shear Deformation Theory is adopted with temperature -dependent characteristics including thermo-micromechanical properties. And the material distributions through the thickness direction are then examined in two types such as the Power-and the Sigmoid-laws. Furthermore, the Mori-Tanaka method for homogenization technique is employed for the precise micromechanical interac-tions of the mixture particles. Moreover, the un-symmetry of material properties in the structure is considered with physical neutral surface concept. To ensure the validity of this study, the previous literatures are used to compare with the present numerical results. And then, shear correction factors are fully discussed using homogenization methods and the temperature-dependent material properties for micromechanical modeling. Additionally, the effect of heat conduction is studied in detail according to the Poisson's ratio and Young's modulus of the mixtures.
ISSN
0263-8231
URI
https://hdl.handle.net/10371/187053
DOI
https://doi.org/10.1016/j.tws.2022.110095
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