4.7 Article

On the mechanics of laminated microplates

期刊

INTERNATIONAL JOURNAL OF ENGINEERING SCIENCE
卷 119, 期 -, 页码 180-188

出版社

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijengsci.2017.06.003

关键词

Laminated composite plates; Microstructure; Modified couple stress theory; Size dependency

资金

  1. Golpayegan University of Technology

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This paper investigates the mechanical behavior of micro scaled laminated composite plates based on the modified couple stress theory. To this aim, considering a displacement field for the plate, the kinematic parameters such as strains and curvatures are calculated. Utilizing these kinematic parameters, classical stresses and couple stresses are obtained in each layer and consequently the equation of motion is derived using equilibrium equations of forces and moment of forces. Equivalent mechanical properties including the length scale parameter are presented for the composite plate. Using these equivalent quantities, static deflection and natural frequency of bilayer microplates are investigated and effects of size dependency on the mechanical behavior of the structure are assessed. (C) 2017 Elsevier Ltd. All rights reserved.

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