Point Dynamic Loads on a Sandwich Structure

Ustarkhanov, O. M.; Muselemov, Kh. M.; Ustarkhanov, T. O.

doi:10.3103/s1068798x21080232

Russ. Engin. Res.

2021

DOI: 10.3103/s1068798x21080232

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Point Dynamic Loads on a Sandwich Structure

O. M. Ustarkhanov

Kh. M. Muselemov

T. O. Ustarkhanov

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2023

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“…Для расчета трехслойной балки необходимо знать приведенные характеристики сотовых заполнителей. Эти данные приведены в статье [7] и определены по методике, изложенной в работах [1,[8][9][10]. Толщина несущих слоев меняется в пределе t1,2 = (0,1 ÷ 0,15) см.…”

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Stress-Strain State of an Asymmetrical Three-Layer Beam

Muselemov,

Bulgakov,

Muselemov

2023

jour

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Introduction. The three-layer structure, having a low weight, has sufficient rigidity and strength to absorb various force and physical impacts of both static and dynamic nature. By combining materials and thicknesses of bearing layers and filler, it is possible to achieve the desired physical and mechanical properties of the three-layer structure.In this regard, this paper considers the stress-strain state of a three-layer beam with different thicknesses of bearing layers and filler height.Materials and Methods. The calculation of a three-layer beam according to the known theory of calculation is presented. As an example, a three-layer beam with a length of 70 cm was considered, its width varied depending on the size of the hexagonal cell face of the filler. The thickness of the bearing layers was varied from 1 to 1.5 mm and the thickness of the filler from 0.12 to 0.30 mm. The bearing layers were made of aluminum AMG2-H, and the hexagonal honeycomb filler was made of aluminum alloy D16-AT.Results. Based on the obtained data, graphs of stresses and strains (deflections) variation with the distributed load were plotted for each tested specimen. The graphical dependences are given for symmetrical and asymmetrical three-layer beams.Discussion and Conclusion. The obtained theoretical data on deformations (deflections) and stresses made it possible to determine the effective combination of bearing layers, at which the three-layer beam becomes effective. On the basis of the analysis of these data, conclusions characterizing the efficiency improvement of the three-layer beam were made.

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Stress-Strain State of an Asymmetrical Three-Layer Beam

Muselemov,

Bulgakov,

Muselemov

2023

jour

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Point Dynamic Loads on a Sandwich Structure

Cited by 1 publication

References 2 publications

Stress-Strain State of an Asymmetrical Three-Layer Beam

Stress-Strain State of an Asymmetrical Three-Layer Beam

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