Nonlinear free and forced vibrations of graphene nanoplatelet reinforced microbeams with geometrical imperfection
Sign Up to like & getrecommendations! Published in 2019 at "Microsystem Technologies"
DOI: 10.1007/s00542-018-4277-4
Abstract: Nonlinear free/forced vibration of a functionally graded graphene nanoplatelet (GNP) reinforced microbeam having geometrical imperfection which is rested on a non-linear elastic substrate have been studied in the present research. Graphene Platelets have been uniformly… read more here.
Keywords: imperfection; microbeam; nonlinear free; free forced ... See more keywords
On resonances in a weakly nonlinear microbeam due to an electric actuation
Sign Up to like & getrecommendations! Published in 2021 at "Nonlinear Dynamics"
DOI: 10.1007/s11071-021-06495-z
Abstract: In this paper, the oscillations of an actuated, simply supported microbeam are studied for which it is assumed that the electric load is composed of a small DC polarization voltage and a small, harmonic AC… read more here.
Keywords: nonlinear microbeam; microbeam; resonances weakly; due electric ... See more keywords
Nonlinear Static Analysis of a Bi-directional Functionally Graded Microbeam Based on a Nonlinear Elastic Foundation Using Modified Couple Stress Theory
Sign Up to like & getrecommendations! Published in 2021 at "Arabian Journal for Science and Engineering"
DOI: 10.1007/s13369-021-06053-0
Abstract: In the present paper, a size-dependent Euler–Bernoulli beam model has been developed for nonlinear static analysis of a bidirectional functionally graded (BFG) microbeam based on a nonlinear elastic foundation according to the modified couple stress… read more here.
Keywords: microbeam; deflection; foundation; functionally graded ... See more keywords
Free vibration, buckling and dynamic stability of bi-directional FG microbeam with a variable length scale parameter embedded in elastic medium
Sign Up to like & getrecommendations! Published in 2019 at "Applied Mathematical Modelling"
DOI: 10.1016/j.apm.2018.11.004
Abstract: Abstract In this paper, size dependent free vibration, buckling and dynamic stability of bi-directional functionally graded (BDFG) microbeam embedded in elastic medium are investigated. The material properties vary along both thickness and axial directions. In… read more here.
Keywords: scale parameter; length scale; microbeam;
Nonlinear dynamics of two-directional functionally graded microbeam with geometrical imperfection using unified shear deformable beam theory
Sign Up to like & getrecommendations! Published in 2021 at "Applied Mathematical Modelling"
DOI: 10.1016/j.apm.2021.05.029
Abstract: Abstract In this paper, the nonlinear dynamic response of two-directional functionally graded (2D-FG) microbeam incorporating geometrically imperfect effect is investigated via a unified shear deformable beam theory, which can degenerate into several previous theories including… read more here.
Keywords: imperfection; microbeam; theory; deformable beam ... See more keywords
Microcapacitors on graphene oxide and synthetic polymers prepared by microbeam lithography
Sign Up to like & getrecommendations! Published in 2020 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2020.146802
Abstract: Abstract Carbon-ion microbeam writing was employed for the mask-less production of microscale capacitors in insulating graphene oxide (GO), polyimide (PI) and poly(methyl-methacrylate) (PMMA) foils. The substrates were irradiated by a 5Â MeV C beams with micrometer-scale… read more here.
Keywords: graphene oxide; oxide synthetic; synthetic polymers; microcapacitors graphene ... See more keywords
Experimental and mathematical analysis of a piezoelectrically actuated multilayered imperfect microbeam subjected to applied electric potential
Sign Up to like & getrecommendations! Published in 2018 at "Composite Structures"
DOI: 10.1016/j.compstruct.2017.10.062
Abstract: Abstract In this paper we propose to fabricate a microcantilever beam actuator using thin layer PZT material. The multilayered microbeam is initially curved due to fabrication process. The device is also modeled using a the… read more here.
Keywords: experimental mathematical; piezoelectrically actuated; analysis piezoelectrically; microbeam ... See more keywords
A double-side electrically-actuated arch microbeam for pressure sensing applications
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Mechanical Sciences"
DOI: 10.1016/j.ijmecsci.2020.105624
Abstract: Abstract In this study, we consider a pressure sensor whose main component is a clamped-clamped shallow arched microbeam. Two fixed electrodes are used to actuate the microbeam in the transverse direction. The lower electrode is… read more here.
Keywords: electrically actuated; double side; arch microbeam; microbeam ... See more keywords
Energy decay of a microbeam model with a locally distributed nonlinear feedback control
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Mathematical Analysis and Applications"
DOI: 10.1016/j.jmaa.2018.07.006
Abstract: Abstract In this paper we address the problem of internal stabilization of the deflection of a microbeam, which is modeled by a sixth-order hyperbolic equation. Employing multiplier techniques and an integral inequality, we prove that… read more here.
Keywords: nonlinear feedback; feedback control; locally distributed; microbeam ... See more keywords
Status of the Smithsonian Microbeam Standards 2017 With a Discussion of the Venerable VG-2 Basalt Glass
Sign Up to like & getrecommendations! Published in 2017 at "Microscopy and Microanalysis"
DOI: 10.1017/s1431927617003178
Abstract: In 1980, the compositions of a set of microbeam reference materials were published [1] and made available to the world. These mostly mineral and natural glasses were characterized by classical wetchemical analysis by staff of… read more here.
Keywords: smithsonian microbeam; glass; status smithsonian; standards 2017 ... See more keywords
Flying rats and microbeam paths crossing: the beauty of international interdisciplinary science
Sign Up to like & getrecommendations! Published in 2022 at "International Journal of Radiation Biology"
DOI: 10.1080/09553002.2021.2024293
Abstract: Abstract Purpose Microbeam radiotherapy (MRT) is a still experimental radiotherapy approach. Two combined parameters contribute to an excellent normal tissue protection and an improved control of malignant tumors in small animal models, compared to conventional… read more here.
Keywords: microbeam radiotherapy; flying rats; radiotherapy; rats microbeam ... See more keywords