Postbuckling of piezoelectric nanobeams with surface effects

Yuhang Li; Chi Chen; Bo Fang; Jiazhong Zhang; Jizhou Song

doi:10.1142/S1758825112500184

Postbuckling of piezoelectric nanobeams with surface effects

Yuhang Li, Chi Chen, Bo Fang, Jiazhong Zhang, Jizhou Song

Mechanical & Aerospace Engineering

Research output: Contribution to journal › Article › peer-review

38 Scopus citations

Abstract

Surface effects, including surface elasticity, surface piezoelectricity and residual surface stress, on the postbuckling of piezoelectric nanobeams due to an electric field are investigated using an energy method in this paper. The critical buckling voltage and amplitude are obtained analytically in terms of the bulk and surface material properties and geometric parameters. The results show that surface effects play a significant role in the postbuckling of piezoelectric nanobeams. It is found that the influences of surface piezoelectricity and residual surface stress are more prominent than the surface elasticity. These results might be helpful for designing piezoelectric nanobeam-based devices.

Original language	English (US)
Article number	1250018
Journal	International Journal of Applied Mechanics
Volume	4
Issue number	2
DOIs	https://doi.org/10.1142/S1758825112500184
State	Published - Jun 2012

Keywords

piezoelectric nanobeam
postbuckling
Surface effect

ASJC Scopus subject areas

Mechanical Engineering
Mechanics of Materials
Materials Science(all)

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title = "Postbuckling of piezoelectric nanobeams with surface effects",

abstract = "Surface effects, including surface elasticity, surface piezoelectricity and residual surface stress, on the postbuckling of piezoelectric nanobeams due to an electric field are investigated using an energy method in this paper. The critical buckling voltage and amplitude are obtained analytically in terms of the bulk and surface material properties and geometric parameters. The results show that surface effects play a significant role in the postbuckling of piezoelectric nanobeams. It is found that the influences of surface piezoelectricity and residual surface stress are more prominent than the surface elasticity. These results might be helpful for designing piezoelectric nanobeam-based devices.",

keywords = "piezoelectric nanobeam, postbuckling, Surface effect",

author = "Yuhang Li and Chi Chen and Bo Fang and Jiazhong Zhang and Jizhou Song",

note = "Funding Information: YL acknowledges the support from China Scholarship Council (CSC). JS acknowledges the supports from the Provost Award (University of Miami), the Ralph E. Powe Junior Faculty Enhancement Award (ORAU) and NSF (Grant No. OISE1043161).",

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language = "English (US)",

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AU - Li, Yuhang

AU - Chen, Chi

AU - Fang, Bo

AU - Zhang, Jiazhong

AU - Song, Jizhou

N1 - Funding Information: YL acknowledges the support from China Scholarship Council (CSC). JS acknowledges the supports from the Provost Award (University of Miami), the Ralph E. Powe Junior Faculty Enhancement Award (ORAU) and NSF (Grant No. OISE1043161).

PY - 2012/6

Y1 - 2012/6

N2 - Surface effects, including surface elasticity, surface piezoelectricity and residual surface stress, on the postbuckling of piezoelectric nanobeams due to an electric field are investigated using an energy method in this paper. The critical buckling voltage and amplitude are obtained analytically in terms of the bulk and surface material properties and geometric parameters. The results show that surface effects play a significant role in the postbuckling of piezoelectric nanobeams. It is found that the influences of surface piezoelectricity and residual surface stress are more prominent than the surface elasticity. These results might be helpful for designing piezoelectric nanobeam-based devices.

AB - Surface effects, including surface elasticity, surface piezoelectricity and residual surface stress, on the postbuckling of piezoelectric nanobeams due to an electric field are investigated using an energy method in this paper. The critical buckling voltage and amplitude are obtained analytically in terms of the bulk and surface material properties and geometric parameters. The results show that surface effects play a significant role in the postbuckling of piezoelectric nanobeams. It is found that the influences of surface piezoelectricity and residual surface stress are more prominent than the surface elasticity. These results might be helpful for designing piezoelectric nanobeam-based devices.

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Postbuckling of piezoelectric nanobeams with surface effects

Abstract

Keywords

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