Thermal buckling analysis of bridged single walled carbon nanotubes using molecular structural mechanics

Firouz Abadi, R. D ; Sharif University of Technology | 2015

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  1. Type of Document: Article
  2. DOI: 10.1063/1.4914906
  3. Publisher: American Institute of Physics Inc , 2015
  4. Abstract:
  5. This paper is concerned with the stability analysis of bridged single walled carbon nanotubes (SWCNT) under temperature changes. A molecular structural mechanics model is utilized to investigate the free vibration frequencies and thermal buckling of SWCNT. In comparison with most of the previous studies, a temperature-variable thermal-expansion-coefficient is used that is negative under a certain temperature. Also thermal variation of Young's modulus of the CNTs is considered. Several studies are performed to investigate the critical temperature change due to heating and cooling of SWCNTs with different chiralities and slenderness ratios and the stability boundaries are determined
  6. Keywords:
  7. Buckling ; Carbon ; Elastic moduli ; Thermal expansion ; Yarn ; Critical temperatures ; Free vibration frequency ; Molecular structural mechanics ; Singlewalled carbon nanotube (SWCNT) ; Stability boundaries ; Temperature changes ; Temperature variables ; Thermal expansion coefficients ; Single-walled carbon nanotubes (SWCN)
  8. Source: Journal of Applied Physics ; Volume 117, Issue 11 , 2015 ; 00218979 (ISSN)
  9. URL: http://scitation.aip.org/content/aip/journal/jap/117/11/10.1063/1.4914906