Dynamic buckling of thermo-electro-mechanically loaded FG-CNTRC beams

Yang, J, Ke, L and Feng, C 2015, 'Dynamic buckling of thermo-electro-mechanically loaded FG-CNTRC beams', International Journal of Structural Stability and Dynamics, vol. 15, no. 8, 1540017, pp. 1-17.


Document type: Journal Article
Collection: Journal Articles

Title Dynamic buckling of thermo-electro-mechanically loaded FG-CNTRC beams
Author(s) Yang, J
Ke, L
Feng, C
Year 2015
Journal name International Journal of Structural Stability and Dynamics
Volume number 15
Issue number 8
Article Number 1540017
Start page 1
End page 17
Total pages 17
Publisher World Scientific Publishing Co. Pte. Ltd.
Abstract Functionally graded carbon nanotube reinforced nanocomposites have drawn great attention in both research and engineering communities. The weak interfacial bonding between carbon nanotubes and the matrix, which traditionally hinders the application of carbon nanotube reinforced nanocomposites, can be remarkably improved through the graded distribution of carbon nanotubes in the matrix. Within the framework of classical beam theory, this paper investigates the dynamic buckling behavior of functionally graded nanocomposite beams reinforced by single-walled carbon nanotubes and integrated with two surface bonded piezoelectric layers. The governing equations of the beam subjected to an applied voltage, a uniform temperature and an axial periodic force are derived by applying Hamilton's principle. Numerical results are presented for beams with different distribution patterns and volume fractions of carbon nanotubes and end support conditions. The influences of the beam geometry, temperature change, applied voltage, static axial force component, boundary condition, carbon nanotube volume fraction and its distribution on the unstable regions of FG-CNTRC piezoelectric beams are discussed in detail.
Subject Civil Engineering not elsewhere classified
Mechanical Engineering not elsewhere classified
Keyword(s) carbon nanotube reinforced composite (CNTRC)
Dynamic buckling
functionally graded materials (FGMs)
piezoelectric beam
DOI - identifier 10.1142/S0219455415400179
Copyright notice © World Scientific Publishing Company
ISSN 0219-4554
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