On the higher-order thermal vibrations of FG saturated porous cylindrical micro-shells integrated with nanocomposite skins in viscoelastic medium

Soleimani‐Javid, Zeinab; Arshid, Ehsan; Amir, Saeed; Bodaghi, Mahdi

doi:10.1016/j.dt.2021.07.007

Cited by 26 publications

(9 citation statements)

References 62 publications

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“…Many researchers have also utilized nanomaterials as fillers in the composite materials that have widened the application spectrum of composites. [21][22][23][24][25][26][27] Arshid et al 28 investigated the effect of reinforcing graphene nanoplatelets on the porous nanocomposite annular plate. In another work, thermo-mechanical buckling analysis of honeycomb microplates integrated with graphene nanoplatelets reinforced epoxy skins was performed by Khorasani et al 29 Amir et al 30 investigated the vibration of a porous rectangular plate located between two piezo-electromagnetic layers.…”

Section: Introductionmentioning

confidence: 99%

Processing and performance evaluation of agro wastes reinforced bio-based epoxy hybrid composites

Joshi

Bajpai

Mukhopadhyay

2022

Proceedings of the Institution of Mechanical Engineers, Part L:

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Agro-wastes have a huge potential to be utilized as lignocellulosic reinforcements in polymer composites. This will not only play an important role in waste management but will also strengthen sustainable production. In the present work, pine cones and wood apple shells were utilized as fillers along with areca sheath fibers in bio-based epoxy resin for fabricating a novel hybrid composite wherein the effect of these fillers in laminated composites has not been explored to a greater extent. The impact of reinforcing both types of fillers in different loadings (5, 10, and 15 wt.%) on various properties of composites was investigated. Physical properties like density, void fraction, mechanical properties comprising of tensile, flexural, interlaminar shear strength (ILSS), and hardness along with morphology and moisture absorption behavior of composites were investigated. The mechanical properties of the fabricated composites were influenced by the structure (coarser/finer) of fillers and their chemical composition. The mechanical results for the composites revealed that incorporating wood apple shell fillers resulted in the maximum rise in tensile (23.97%), impact strength (16.81%), and interlaminar shear strength (31.64%), while the incorporation of pine cone fillers resulted in the maximum rise of flexural strength along with Young's (35.4%) and flexural modulus (32.81%). A reduction in moisture absorption was observed on the addition of both types of fillers up to a certain filler loading. The investigations demonstrated a noticeable enhancement in mechanical and physical properties of the fabricated composites on reinforcing micron size fillers.

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Section: Introductionmentioning

confidence: 99%

Processing and performance evaluation of agro wastes reinforced bio-based epoxy hybrid composites

Joshi

Bajpai

Mukhopadhyay

2022

Proceedings of the Institution of Mechanical Engineers, Part L:

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“…Using sandwich structure for composite materials, in which the properties depend on the core and face sheets, is a good choice to be used in high-technology applications. 37,38…”

Section: Characterization Of Bionanocompositesmentioning

confidence: 99%

“…Using sandwich structure for composite materials, in which the properties depend on the core and face sheets, is a good choice to be used in high-technology applications. 37,38 Composite materials are anisotropic, which means that the strength and other properties of composite material vary depending on the load and the force direction applied. Therefore, alignment and the performance of tensile testing are critical.…”

Section: Mechanical Characterization Of Bionanocompositesmentioning

confidence: 99%

Surface and mechanical characterization of bionanocomposites for advanced applications: A review

Kurukavak

2022

Proceedings of the Institution of Mechanical Engineers, Part L:

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In recent years, nanocomposites prepared by dispersing biopolymer with nanofillers (bionanocomposites) have attracted a growing attention, since they present remarkable electrical, optical, mechanical and thermal properties, which make them useful for various technological applications. However, the understanding of the diversity of application areas of bionanocomposites can only be specified by advanced characterization techniques. As well known, the illumination of the main characteristics of bionanocomposites makes them more eligible for their potential use. Therefore, the characterization techniques given in this review fall into the two main categories: the morphological and mechanical characterizations. Morphological characterization techniques presented include the most popular techniques atomic force microscopy, scanning electron microscopy and transmission electron microscopy. Mechanical characterization techniques presented here include tensile test and dynamic mechanical analysis. Additionally, thermal stability bionanocomposites determined by thermogravimetric analysis is briefly touched.

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“…The results showed that the material properties of the porous core and nano-composite panels had a significant effect on the vibration response of the model. Mahdi Bodaghi et al [ 25 ] studied the free vibration behavior of a functional gradient, porous cylindrical shell using the sinusoidal theory and the modified coupled stress theory. The results of the study can be used to design and fabricate more reliable micro-cylindrical structures in thermodynamic environments.…”

Section: Introductionmentioning

confidence: 99%

Analysis of Size-Dependent Linear Static Bending, Buckling, and Free Vibration Based on a Modified Couple Stress Theory

Tang

Shi

et al. 2022

Materials

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The purposes of this paper are to study bending, buckling, and vibration by considering micro-scale effects using the Kirchhoff thin-plate theory and to consider small deflections, neglecting higher-order nonlinear terms. The governing equations for the bending, buckling, and vibration of the system are obtained using the equilibrium method coupled with the Kirchhoff thin-plate theory and a modified couple stress theory (MCST). The concept of the equivalent bending stiffness (EBS) of micro-thin plates is proposed to describe the scale effect. The Navier method is used to obtain analytical solutions for the bending, buckling, and free vibration of thin plates under simply supported boundary conditions with scale effects. The numerical results are presented to investigate the influence of scale effects on deflection, critical buckling load, buckling topography, and thin-plate natural frequency. The results show that the scale effect increases the equivalent stiffness of the thin plate, which leads to a decrease in deflection, a larger critical buckling load, and an increase in natural frequency, but does not affect the buckling topography. The MSCT is invalid when the thickness is greater than 10 times the scale effect parameter, thus defining the scope of application of the scale effect. This research study may contribute to the design of micro-scale devices such as MEMSs/NEMSs.

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On the higher-order thermal vibrations of FG saturated porous cylindrical micro-shells integrated with nanocomposite skins in viscoelastic medium

Cited by 26 publications

References 62 publications

Processing and performance evaluation of agro wastes reinforced bio-based epoxy hybrid composites

Processing and performance evaluation of agro wastes reinforced bio-based epoxy hybrid composites

Surface and mechanical characterization of bionanocomposites for advanced applications: A review

Analysis of Size-Dependent Linear Static Bending, Buckling, and Free Vibration Based on a Modified Couple Stress Theory

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