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فهرست مقالات

Study the Postbuckling of Hexagonal Piezoelectric Nanowires with Surface Effect

نویسنده مسئول:

نویسنده:

علمی-پژوهشی (وزارت علوم) (7 صفحه - از 177 تا 183)

چکیده:

Piezoelectric nanobeams having circular, rectangular and hexagonal cross-sections are synthesized and used in various Nano structures; however, piezoelectric nanobeams with hexagonal cross-sections have not been studied in detail. In particular, the physical mechanisms of the surface effect and the role of surface stress, surface elasticity and surface piezoelectricity have not been discussed thoroughly. The present study investigated post-buckling behavior of piezoelectric nanobeams by examining surface effects. The energy method was applied to post-buckling of hexagonal nanobeams and the critical buckling voltage and amplitude are derived analytically from bulk and surface material properties and geometric factors.

کلیدواژه ها:

nanowires ، Piezoelectric ، energy method ، Postbuckling


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