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Advances in Nano Research Volume 14, Number 3, March 2023 , pages 261-271 DOI: https://doi.org/10.12989/anr.2023.14.3.261 |
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Thermal buckling of rectangular sandwich plates with advanced hybrid SMA/CNT/graphite/epoxy composite face sheets |
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Saeed Kamarian and Jung-Il Song
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| Abstract | ||
| The present study follows three main goals. First, an analytical solution with high accuracy is developed to assess the effects of embedding pre-strained shape memory alloy (SMA) wires on the critical buckling temperatures of rectangular sandwich plates made of soft core and graphite fiber/epoxy (GF/EP) face sheets based on piecewise low-order shear deformation theory (PLSDT) using Brinson's model. As the second goal, this study compares the effects of SMAs on the thermal buckling of sandwich plates with those of carbon nanotubes (CNTs). The glass transition temperature is considered as a limiting factor. For each material, the effective ranges of operating temperature and thickness ratio are determined for real situations. The results indicate that depending on the geometric parameters and thermal conditions, one of the SMAs and CNTs may outperform the other. The third purpose is to study the thermal buckling of sandwich plates with advanced hybrid SMA/CNT/GF/EP composite face sheets. It is shown that in some circumstances, the co-incorporation of SMAs and CNTs leads to an astonishing enhancement in the critical buckling temperatures of sandwich plates. | ||
| Key Words | ||
| advanced hybrid composites; analytical solution; carbon nanotubes; sandwich plates; shape memory alloys; thermal buckling | ||
| Address | ||
| Saeed Kamarian and Jung-Il Song: Department of Mechanical Engineering, Changwon National University, Changwon, South Korea | ||