Nonlinear finite element modeling of large deformation of nanobeams
Sign Up to like & getrecommendations! Published in 2018 at "Acta Mechanica"
DOI: 10.1007/s00707-017-1929-x
Abstract: In this article, the finite element method is utilized to understand the bending response of both straight and tapered nanowires under large deformation. The force field caused by the residual surface stress is applied in… read more here.
Keywords: finite element; element; surface stress; large deformation ... See more keywords
Effect of the gradient on the deflection of functionally graded microcantilever beams with surface stress
Sign Up to like & getrecommendations! Published in 2020 at "Acta Mechanica"
DOI: 10.1007/s00707-020-02759-8
Abstract: The surface stress-induced deflection of a microcantilever beam with arbitrary axial nonhomogeneity and varying cross section is investigated. The surface stresses are assumed to be uniformly distributed on the upper surface of the beam. Based… read more here.
Keywords: surface stress; deflection; microcantilever beams; functionally graded ... See more keywords
Effect of surface stress and surface-induced stress on behavior of piezoelectric nanobeam
Sign Up to like & getrecommendations! Published in 2018 at "Applied Mathematics and Mechanics"
DOI: 10.1007/s10483-018-2346-8
Abstract: A new continuum model is developed to study the influence of surface stress on the behaviors of piezoelectric nanobeams. Different from existing piezoelectric surface models which only consider the surface properties, the proposed model takes… read more here.
Keywords: surface stress; proposed model; surface; surface induced ... See more keywords
Surface stress effect on the nonlinear free vibrations of functionally graded composite nanoshells in the presence of modal interaction
Sign Up to like & getrecommendations! Published in 2020 at "Journal of the Brazilian Society of Mechanical Sciences and Engineering"
DOI: 10.1007/s40430-020-02317-2
Abstract: As one of the innovative materials, functionally graded (FG) composite materials have the capability to vary microstructure and design attributes from one side to other representing the desired material properties. The prime aim of this… read more here.
Keywords: surface stress; functionally graded; modal interaction; stress effect ... See more keywords
A Review on Surface Stress-Based Miniaturized Piezoresistive SU-8 Polymeric Cantilever Sensors
Sign Up to like & getrecommendations! Published in 2018 at "Nano-Micro Letters"
DOI: 10.1007/s40820-018-0189-1
Abstract: In the last decade, microelectromechanical systems (MEMS) SU-8 polymeric cantilevers with piezoresistive readout combined with the advances in molecular recognition techniques have found versatile applications, especially in the field of chemical and biological sensing. Compared… read more here.
Keywords: surface stress; cantilever; stress based; cantilever sensors ... See more keywords
Isogeometric thermal postbuckling analysis of porous FGM quasi-3D nanoplates having cutouts with different shapes based upon surface stress elasticity
Sign Up to like & getrecommendations! Published in 2021 at "Composite Structures"
DOI: 10.1016/j.compstruct.2021.113604
Abstract: Abstract In the current investigation, a surface elastic-based three-dimensional (3D) nonlinear formulation is provided to explore the thermal postbuckling characteristics of porous composite nanoplates made of a functionally graded material (FGM) having a central cutout… read more here.
Keywords: different shapes; surface stress; thermal postbuckling; porous fgm ... See more keywords
In situ surface stress measurement and computational analysis examining the oxygen reduction reaction on Pt and Pd
Sign Up to like & getrecommendations! Published in 2018 at "Electrochimica Acta"
DOI: 10.1016/j.electacta.2017.12.039
Abstract: Abstract Dynamic electrochemical surface stress response during the oxygen reduction reaction (ORR) on Pt and Pd cantilever electrodes in HClO 4 and KOH was examined to elucidate surface binding configurations during O 2 reduction electrocatalysis.… read more here.
Keywords: surface stress; surface; base; stress ... See more keywords
Mechanics of polymer brush based soft active materials– theory and experiments
Sign Up to like & getrecommendations! Published in 2018 at "Journal of the Mechanics and Physics of Solids"
DOI: 10.1016/j.jmps.2018.06.021
Abstract: Abstract A brush-like structure emerges from stretching of long polymer chains, densely grafted on to the surface of an impermeable substrate. The structure arises due to the competition between conformational entropic elasticity of polymer chains… read more here.
Keywords: polymer; surface stress; brush; mechanics ... See more keywords
The surface energy and stress of metals
Sign Up to like & getrecommendations! Published in 2018 at "Surface Science"
DOI: 10.1016/j.susc.2018.03.008
Abstract: Abstract We investigated surface properties of metals by performing first-principles calculations. A systematic database was established for the surface relaxation, surface energy (γ), and surface stress (τ) for metallic elements in the periodic table. The… read more here.
Keywords: surface; surface energy; surface stress; metals surface ... See more keywords
Modeling of surface mechanical behaviors of soft elastic solids: theory and examples.
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DOI: 10.1039/d0sm00556h
Abstract: Surfaces of soft solids can have significant surface stress, extensional modulus and bending stiffness. Previous theoretical studies have usually examined cases in which both the surface stress and bending stiffness are constant, assuming small deformation.… read more here.
Keywords: surface stress; theory; surface; deformation ... See more keywords
Influence of the surface stress on the size-dependent elastic behavior of silicon nanowires
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Applied Physics"
DOI: 10.1063/5.0006989
Abstract: A recent study has highlighted an existing controversy among experimental measurements and theoretical models on the size-dependent elastic behavior of silicon nanowires. Some measurements have depicted a significant size-dependent elastic response, while several studies report… read more here.
Keywords: size; silicon nanowires; surface stress;