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Investigation of Mechanical Behaviors of Functionally Graded CNT-Reinforced Composite Plates
| Content Provider | MDPI |
|---|---|
| Author | Cho, Jin-Rae Ahn, Young-Ju |
| Copyright Year | 2022 |
| Description | In this paper, the mechanical behavior of a functionally graded carbon nanotube-reinforced composite (FG-CNTRC) plate is numerically investigated. According to the concept of a hierarchical model, the displacement is decomposed into the in-field functions and the assumed thickness-wise monomial. The former is defined on the plate midsurface and is approximated by the 2-D meshfree natural element method (NEM). The FG-CNTRC plate is modeled as a homogenized orthotropic body, and its effective elastic properties are determined by referring to MD simulation and the linear rule of mixtures. Regarding the thickness-wise distribution of CNTs, one uniform and three functionally gradient distributions are taken. Through comparative numerical experiments, the reliability of the numerical method is justified with the maximum relative difference of 6.12%. The effects of the volume fraction and vertical distribution of CNTs, the plate width-thickness and aspect ratios, and the boundary conditions on the bending, free vibration, and buckling behaviors of FG-CNTRC plates are examined. It is found that the mechanical behavior of FG-CNTRC plates is significantly dependent of these major parameters. |
| Starting Page | 2664 |
| e-ISSN | 20734360 |
| DOI | 10.3390/polym14132664 |
| Journal | Polymers |
| Issue Number | 13 |
| Volume Number | 14 |
| Language | English |
| Publisher | MDPI |
| Publisher Date | 2022-06-29 |
| Access Restriction | Open |
| Subject Keyword | Polymers Manufacturing Engineering Cnt-reinforced Functionally Graded Composite Plate Bending Free Vibration Buckling Load |
| Content Type | Text |
| Resource Type | Article |
