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Post-buckling analysis of piezo-magnetic nanobeams with geometrical imperfection and different piezoelectric contents
, Article Microsystem Technologies ; Volume 25, Issue 9 , 2019 , Pages 3477-3488 ; 09467076 (ISSN) ; Forsat, M ; Barati, M. R ; Abdella, G. M ; Hamouda, A. M. S ; Mohasel Afshari, B ; Rabby, S ; Sharif University of Technology
Springer Verlag
2019
Abstract
Thermal post-buckling behavior of a geometrically imperfect/perfect piezo-magnetic nano-scale beams made of two-phase composites is analyzed in the present paper based on nonlocal elasticity theory. For the first time, the material properties of the nanobeam are considered as functions of piezoelectric phase percentage. All previous investigations on piezo-magnetic nanobeams neglect the effect of geometrical imperfection which is very important since the nanobeams are not always ideal or perfect. The post-buckling problem of such nanobeams is solved by introducing an analytical approach to derive buckling temperatures. The present solution is simple and easily understandable. For both...