Journal
ADVANCED COMPOSITE MATERIALS
Volume 25, Issue 5, Pages 423-441Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/09243046.2015.1052189
Keywords
biaxial buckling; polymeric nanocomposite plate; carbon nanotube (CNT); various approaches; surface stress; agglomeration effects
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Funding
- University of Kashan [363443/42]
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In this article, the surface stress effect on the biaxial critical buckling load of nonlocal polymeric nanocomposite rectangular plate reinforced by carbon nanotubes (CNTs) is presented. Various approaches such as Eshelby-Mori-Tanaka, the extended mixture rule, Halpin-Tsai, and micromechanical are used to determine the effective material properties of polymeric nanocomposite plate. The governing equations of equilibrium are obtained by using Hamilton's principle. The Navier's method is considered to obtain the biaxial critical buckling load of polymeric nanocomposite rectangular plate for simply supported boundary conditions. A detailed parametric study is conducted to explain the effects of aspect ratio, elastic foundation, surface stress and agglomeration on the biaxial buckling of nanocomposite plate. The results show that surface stress effect plays an important role at nanoscale. Also, the biaxial critical buckling load decreases with increasing the CNTs volume fraction in the inclusion (agglomeration effect). The results of this research can be used for micro-electro-mechanical and nano-electro-mechanical devices.
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