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Smart Structures and Systems
  Volume 28, Number 4, October 2021 , pages 499-513
DOI: https://doi.org/10.12989/sss.2021.28.4.499
 


Influence of porosity on the hygro-thermo-mechanical bending response of an AFG ceramic-metal plates using an integral plate model
Mohammed A. Al-Osta, Hayat Saidi, Abdelouahed Tounsi, S.U. Al-Dulaijan, M.M. Al-Zahrani, Alfarabi Sharif and Abdeldjebbar Tounsi

 
Abstract
    In this project, the hygro-thermo-mechanical bending behavior of perfect and imperfect advanced functionally graded (AFG) ceramic-metal plates is analytically investigated using an integral plate model for the first time. The plate is assumed to be supported by a two-parameter elastic foundation. Because of the technical problems encountered in the manufacture of AFG, porosities and micro-voids can occur in AFG specimens, which can result in reduced density and strength of materials. Thus, due to the presence of porosity, a modified rule of mixture is adopted to predict the material properties of the AFG plates. The governing equations are deduced by adopting the "principle of virtual work" and an integral plate model. The analytical Navier's method is considered to solve the obtained differential equations for simply supported AFG porous plate. The results obtained are checked by comparing them for non-porous and porous AFG plates with those available in the open literature. Finally, this work will help us to design advanced functionally graded materials to ensure better durability and efficiency for hygro-thermal environments.
 
Key Words
    advanced functionally graded materials; elastic foundation; hygro-thermo-mechanical loading; integral plate theory; porosity
 
Address
(1) Mohammed A. Al-Osta, Abdelouahed Tounsi, S.U. Al-Dulaijan, M.M. Al-Zahrani, Alfarabi Sharif:
Department of Civil and Environmental Engineering, King Fahd University of Petroleum & Minerals, 31261 Dhahran, Eastern Province, Saudi Arabia;
(2) Hayat Saidi, Abdelouahed Tounsi, Abdeldjebbar Tounsi:
Material and Hydrology Laboratory, University of Sidi Bel Abbes, Faculty of Technology, Civil Engineering Department, Algeria;
(3) Abdelouahed Tounsi:
YFL (Yonsei Frontier Lab), Yonsei University, Seoul, Korea;
(4) Mohammed A. Al-Osta:
Interdisciplinary Research Center for Construction and Building Materials, KFUPM, Dhahran, Saudi Arabia.
 

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