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Journal articles on the topic 'Laminated and sandwich composite'

Author: Grafiati

Published: 14 March 2023

Last updated: 31 July 2025

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1

Sebaey, TA, and Ahmed Wagih. "Flexural properties of notched carbon–aramid hybrid composite laminates." Journal of Composite Materials 53, no. 28-30 (2019): 4137–48. http://dx.doi.org/10.1177/0021998319855773.

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Hybrid composite laminates are currently receiving researchers’ attention due to their specific advantages in designing laminates with improved specific strength and stiffness. One of the main disadvantages of polymeric laminated composites is their high sensitivity to notches, which cannot be avoided in design. This paper presents a comparison between two common hybridization techniques, namely sandwich and intra-ply hybridization. The study adopts experimental observations to investigate the influence of hybridization method on the flexural properties of notched carbon–aramid hybrid laminate

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2

Arsalan, Hussain Khan, and Misbah Danish Mr. "FINITE ELEMENT ANALYSIS OF LAMINATED SANDWICH STRUCTURE." International Journal of Advances in Engineering & Scientific Research 5, no. 3 (2018): 14–33. https://doi.org/10.5281/zenodo.10780792.

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<strong>ABSTRACT</strong> <em>In modern civil engineering structures, laminated composites are widely used in various applications including roof of buildings, bridge decks, structural panels and beams. Using the laminated composite material in construction introduces many advantages such as high strength/stiffness to weight ratio, survivability in extreme weather conditions, durability, fatigue resistance, and design flexibility, easy to install in structure replacement. The behavior of laminated composites under free vibration, bending and buckling mode is very complex phenomenon because man

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Çınar, Okan, Merve Erdal, and Altan Kayran. "Accurate equivalent models of sandwich laminates with honeycomb core and composite face sheets via optimization involving modal behavior." Journal of Sandwich Structures & Materials 19, no. 2 (2016): 139–66. http://dx.doi.org/10.1177/1099636215613934.

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An approach is introduced for determining accurate two-dimensional equivalent laminated models of sandwich laminates with honeycomb core and composite facesheets by optimization involving modal behavior. The approach relies on minimizing the objective function which is defined as the sum of the square of the differences between the natural frequencies of the honeycomb sandwich laminate estimated by the finite element analysis of the 3D detailed model with the actual honeycomb core geometry and by the 2D equivalent laminated model with the honeycomb core replaced by the equivalent 2D orthotropi

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Zhu, Xiujie, Chao Xiong, Junhui Yin, Dejun Yin, and Huiyong Deng. "Bending Experiment and Mechanical Properties Analysis of Composite Sandwich Laminated Box Beams." Materials 12, no. 18 (2019): 2959. http://dx.doi.org/10.3390/ma12182959.

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The failure modes, ultimate load, stiffness performance, and their influencing factors of a composite sandwich laminated box beam under three-point bending load are studied by an experiment, finite element model, and analytical method. The three-point bending experiment was carried out on three different core composite sandwich laminated box beams, and the failure modes and bearing capacity were studied. With the use of composite progressive damage analysis and the core elastoplastic constitutive model, the finite element model of the composite sandwich laminated box beam was established, and

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5

Lu, Ping, Xu Dong Liu, Xue Qiang Ma, and Wei Bo Huang. "Analysis of Damping Characteristics for Sandwich Beams with a Polyurea Viscoelastic Layer." Advanced Materials Research 374-377 (October 2011): 764–69. http://dx.doi.org/10.4028/www.scientific.net/amr.374-377.764.

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Constrained layer damping treatments such as sandwich beams are considered as the most efficient way of introducing vibration damping into a structure. The dynamic mechanical properties and damping behavior of a laminated sandwich composite beam inserted with a viscoelastic layer is investigated. A quantitative analysis of damping in the sandwich laminated composite beam has been conducted through the theoretical and experimental method. Traditional epoxy and new kind of polyurea viscoelastic layer are selected to analyze the damping properties. Results showed that the polyurea viscoelastic la

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6

Hami, B., A. Irekti, C. Aribi, B. Bezzazi, and A. Mir. "Experimental Study of Sandwich Multilayer Reinforced by Glass Fibre and Agglomerated Cork." Advanced Composites Letters 23, no. 5 (2014): 096369351402300. http://dx.doi.org/10.1177/096369351402300503.

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This paper presents an experimental study which is determined the mechanical properties of a composite material sandwich multilayer developed in the laboratory of mechanics of materials and composites, Materials Research Unit, process and environment. This type of sandwich is composed of four layers laminated based on an epoxy resin reinforced by woven glass fibres and mast between which three plates of agglomerated cork with stacked alternately laminated layers. Specimens for bending tests three and four points were prepared from the multilayer sandwich panels. A first series of static three-

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Cui, Xiao Dong, Tao Zeng, and Dai Ning Fang. "Study on Ballistic Energy Absorption of Laminated and Sandwich Composites." Key Engineering Materials 306-308 (March 2006): 739–44. http://dx.doi.org/10.4028/www.scientific.net/kem.306-308.739.

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The impact response and energy absorbing characteristics of laminated, foam sandwich and honeycomb sandwich composites under ballistic impact have been studied in this investigation. An improved model is proposed in this paper to predict the ballistic property of the laminated composites. In this model, the material structures related to fiber lamination angles are designed in terms of their anti-impacting energy absorption capability. The ballistic limit speed and energy absorption per unit thickness of the three composites under different conditions are calculated. It is shown that honeycomb

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8

Vemuluri, Ramesh Babu, Vasudevan Rajamohan, and Ananda Babu Arumugam. "Dynamic characterization of tapered laminated composite sandwich plates partially treated with magnetorheological elastomer." Journal of Sandwich Structures & Materials 20, no. 3 (2016): 308–50. http://dx.doi.org/10.1177/1099636216652573.

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This study investigates the dynamic performance of the partially treated magnetorheological elastomer tapered composite sandwich plates. Various partially treated tapered magnetorheological elastomer laminated composite sandwich plate models are formulated by dropping-off the plies longitudinally in top and bottom composite face layers to yield tapered plates as the face layers. The uniform rubber and magnetorheological elastomer materials are considered as the core layer. The governing differential equations of motion of the various partially treated magnetorheological elastomer tapered compo

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9

Bir, Amarpreet S., Hsin Piao Chen, and Hsun Hu Chen. "Optimum Stacking Sequence Design of Composite Sandwich Panel Using Genetic Algorithms." Advanced Materials Research 585 (November 2012): 29–33. http://dx.doi.org/10.4028/www.scientific.net/amr.585.29.

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In the present study, both critical buckling load maximization and face-sheet laminate thickness minimization problems for the composite sandwich panel, subjected to bi-axial compressive loading under various imposed constraints have been investigated using genetic algorithms. In the previously published work, the optimization of simple composite laminate panels with only even number of laminae has been considered [1, 3]. The present work allows the optimization of a composite sandwich panel with both even and odd number of laminae in the face-sheet laminates. Also, the effects of the bending-

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10

Kumar, Pavan, and CV Srinivasa. "On buckling and free vibration studies of sandwich plates and cylindrical shells: A review." Journal of Thermoplastic Composite Materials 33, no. 5 (2018): 673–724. http://dx.doi.org/10.1177/0892705718809810.

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Many review articles were published on free vibration and buckling of laminated composites, sandwich plates, and shells. The present article reviews the literature on the buckling and free vibration analysis of shear deformable isotropic and laminated composite sandwich plates and shells using various methods available for plates in the past few decades. Various theories, finite element modeling, and experimentations have been reported for the analysis of sandwich plates and shells. Few papers on functionally graded material plates, plates with smart skin (electrorheological, magnetorheologica

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11

Zenkour, AM, and AF Radwan. "Free vibration analysis of multilayered composite and soft core sandwich plates resting on Winkler–Pasternak foundations." Journal of Sandwich Structures & Materials 20, no. 2 (2016): 169–90. http://dx.doi.org/10.1177/1099636216644863.

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Free vibration of laminated composite and soft core sandwich plates resting on Winkler–Pasternak foundations using four-variable refined plate theory are presented. The theory accounts for the hyperbolic distribution of the transverse shear strains through the plate thickness, and satisfies the zero traction boundary conditions on the surfaces of the plate without using shear correction factors. Equations of motion are derived from the dynamic version of the principle of virtual work. Navier technique is employed to obtain the closed-form solutions of antisymmetric cross-ply, angle-ply, and so

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12

Subramani, Mageshwaran, Ananda Babu Arumugam, and Manoharan Ramamoorthy. "Vibration Analysis of Carbon Fiber Reinforced Laminated Composite Skin with Glass Honeycomb Sandwich Beam Using HSDT." Periodica Polytechnica Mechanical Engineering 61, no. 3 (2017): 213. http://dx.doi.org/10.3311/ppme.9747.

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In this paper, the vibration analysis of uniform laminated composite sandwich beam with a viscoelastic core was studied. The governing equation of motion of the laminated composite sandwich beam has been derived based on higher order shear deformation theory (HSDT) in finite element model (FEM). The developed finite element model has been validated in terms of natural frequencies with the experimental values and the available literature. Various parametric studies have been performed to examine the impact of the core thickness, ply orientation and aspect ratio of the uniform laminated composit

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13

Wang, Xiaochen, Xiaoyu Liu, Rui Mao, Zhenkun Lei, and Ruixiang Bai. "Manufacturing techniques for composite structure batteries: laminates and sandwich panels." Journal of Physics: Conference Series 2730, no. 1 (2024): 012045. http://dx.doi.org/10.1088/1742-6596/2730/1/012045.

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Abstract The laminated and sandwich composite structural batteries can efficiently store energy and bear loading while effectively saving mass and volume. To prepare these two types of composite structure batteries, an experimental platform of vacuum-assisted resin transfer process was constructed, and the preparation processes of laminated and sandwich plates were studied. The comparative analysis of the open-circuit voltage with SOC at different temperatures demonstrated the stability and reliability of the preparation processes for composite structure batteries.

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14

Padhi, Ansuman, and Mihir K. Pandit. "Bending and free vibration response of sandwich laminate under hygrothermal load using improved zigzag theory." Journal of Strain Analysis for Engineering Design 52, no. 5 (2017): 288–97. http://dx.doi.org/10.1177/0309324717714710.

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In this work, the effects of variations in temperature and moisture concentrations on the static and free vibration response of sandwich laminated plates with low-density core have been studied. A higher order zigzag laminate theory is used which satisfies the continuity in transverse shear stress at the layer interfaces and zero transverse shear stress condition at the top and bottom surfaces of the laminate . The displacement field in this theory suitably allows for the quadratic distribution of transverse shear stress across the thickness and transverse compressibility effect of the core. A

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15

Manoharan, R., R. Vasudevan, and P. Edwin Sudhagar. "Semi-Active Vibration Control of Laminated Composite Sandwich Plate – An Experimental Study." Archive of Mechanical Engineering 63, no. 3 (2016): 367–77. http://dx.doi.org/10.1515/meceng-2016-0021.

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Abstract In this study, the vibration analysis of fully and partially treated laminated composite Magnetorheological (MR) fluid sandwich plates has been investigated experimentally. The natural frequencies of fully and partially treated laminated composite MR fluid sandwich plates have been measured at various magnetic field intensities under two different boundary conditions. The variations of natural frequencies with applied magnetic field, boundary conditions and location of MR fluid pocket have been explored. Further, a comparison of natural frequencies of fully and partially treated MR fl

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16

Abrate, Serge. "Localized Impact on Sandwich Structures With Laminated Facings." Applied Mechanics Reviews 50, no. 2 (1997): 69–82. http://dx.doi.org/10.1115/1.3101689.

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Currently, there is strong interest in the effects of impact induced damage to composite structures as evidenced by the large number of articles on this topic that have appeared in the literature in recent years. With laminated composite structures, foreign object impacts, that are expected to occur during the life of the structure, can introduce damage that is often difficult to detect and can significantly reduce the strength of the structure. Research efforts concentrate on monolithic laminates while sandwich structures with laminated facings, which are also used extensively in aerospace an

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17

Patinha, Sérgio, Fernando Cunha, Raul Fangueiro, Sohel Rana, and Fernando Prego. "Acoustical Behavior of Hybrid Composite Sandwich Panels." Key Engineering Materials 634 (December 2014): 455–64. http://dx.doi.org/10.4028/www.scientific.net/kem.634.455.

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This paper deals with the characterization of acoustic insulation behaviour of hybridsandwich composite panels for application in modular house construction. These sandwich panelsare a sustainable, light-weight and durable solution, since are based on natural fibers structureimpregnated with a thermosetting polymer. In this way, three different types of hybrid compositepanels containing polyurethane core and laminated composite skins were produced and analyzed,varying the composition of laminates. The composite laminates of the prototypes were producedusing a vacuum infusion technique and were

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18

Singh, Sandeep, Jeeoot Singh, and Karunesh Kumar Shula. "Buckling of Laminated Composite and Sandwich Plates Using Radial Basis Function Collocations." International Journal of Structural Stability and Dynamics 15, no. 01 (2015): 1540002. http://dx.doi.org/10.1142/s0219455415400027.

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In this paper, buckling analysis of isotropic, orthotropic, laminated composite and sandwich plates utilizing trigonometric shear deformation theory and meshless method based on the finite point formulation using thin plate, polynomial and inverse multiquadric radial basis function is presented. The convergence of the present method is studied for isotropic and laminated composite plates for different radial basis functions with optimal value of shape parameter. Numerical examples of laminated and sandwich plates subjected to various types of in-plane loads are solved to demonstrate accuracy a

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19

Ahmadi, Isa. "Edge stresses analysis in laminated thick sandwich cylinder subjected to distributed hygrothermal loading." Journal of Sandwich Structures & Materials 20, no. 4 (2016): 425–61. http://dx.doi.org/10.1177/1099636216657681.

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The boundary layer hygrothermal stresses in the thick sandwich cylinder with laminated face are investigated. Uniform and through the thickness steady-state distribution for temperature and moisture content can be considered in the analysis. A displacement based layer-wise formulation is presented for analysis of thick sandwich composite cylinders subjected to hygrothermal loading conditions. Considering a general displacement field and employing a displacement based layer-wise theory, the governing equations of thick laminated sandwich cylinder are obtained. The displacement based formulation

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20

Leissa, Arthur W. "A Review of Laminated Composite Plate Buckling." Applied Mechanics Reviews 40, no. 5 (1987): 575–91. http://dx.doi.org/10.1115/1.3149534.

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A brief overview is presented of considerations involved in the buckling of composite plates made of laminae having continuous, parallel fibers. Such plates are governed by orthotropic or anisotropic plate buckling theory for laminates which are symmetrically stacked with respect to the plate midplane. Unsymmetric laminates require a more complicated theory with bending-stretching coupling. Additional complicating factors are considered, including: interior holes, shear deformation, sandwich construction involving other materials, local effects, nonlinear stress-strain relationships, hygrother

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21

Sarangi, S. K., and B. Basa. "Nonlinear finite element analysis of smart laminated composite sandwich plates." International Journal of Structural Stability and Dynamics 14, no. 03 (2014): 1350075. http://dx.doi.org/10.1142/s0219455413500752.

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This paper deals with the nonlinear dynamic analysis of smart laminated composite sandwich plates. A three dimensional energy based finite element (FE) model has been developed for the composite sandwich plates integrated with the patches of active constrained layer damping (ACLD) treatment. Von Kármán type nonlinear strain–displacement relations and the first-order shear deformation theory (FSDT) are adopted individually for each layer of the sandwich plate in developing the FE model. The constraining layer of the ACLD treatment is considered to be made of active fiber composite (AFC) materia

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22

Selvaraj, Rajeshkumar, Kamesh Gupta, Shubham Kumar Singh, Ankur Patel, and Manoharan Ramamoorthy. "Free vibration characteristics of multi-core sandwich composite beams: Experimental and numerical investigation." Polymers and Polymer Composites 29, no. 9_suppl (2021): S1414—S1423. http://dx.doi.org/10.1177/09673911211057679.

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This study investigates the free vibration responses of laminated composite sandwich beam with multi-cores using experimental and numerical methods. The laminated composite face sheets are made by using hand layup method. An experimental modal test has been carried for different configurations of multi-core sandwich beams under different end conditions. The single-core and multi-core sandwich beams has been modeled and the natural frequencies of sandwich beams are determined using ANSYS software. The numerical model is verified by comparing the obtained natural frequencies with experimental re

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23

Zhu, Xiujie, Chao Xiong, Junhui Yin, Dejun Yin, and Huiyong Deng. "Transverse Bending and Axial Compressing Mechanical Characteristics of Carbon Fiber Reinforced Plastic Sandwich Laminated Square Tubes." Science of Advanced Materials 12, no. 9 (2020): 1289–99. http://dx.doi.org/10.1166/sam.2020.3765.

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The transverse bending and axial compressing mechanical properties of carbon fiber reinforced plastic (CFRP) sandwich laminated square tubes with two kinds of cores, aluminum honeycomb and aluminum foam, respectively, were studied. The failure mechanism and damage processes of the two different CFRP sandwich laminated square tubes were studied by three-point bending and axial compressing experiments, comparing to CFRP hollow laminated square tube. The three-point bending process of CFRP sandwich laminated square tubes were also simulated in ABAQUS/Explicit and the failure mechanism and modes w

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24

Dong, S. B., and C. K. Chun. "Shear Constitutive Relations for Laminated Anisotropic Shells and Plates: Part I—Methodology." Journal of Applied Mechanics 59, no. 2 (1992): 372–79. http://dx.doi.org/10.1115/1.2899530.

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Shear constitutive relations of a first-order shear deformation theory for laminated anisotropic shells and plates are formulated following Mindlin’s procedure for homogeneous isotropic plates. Because thickness-shear motions for laminated anisotropic thickness profiles may not be polarized in planes normal to the reference surface, the concept of generalized principal shear planes is needed. These planes are established by least-squares minimization of the out-of-plane motions of infinitely long thickness-shear waves based on an elasticity analysis of the profile. Typical shear rigidities for

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25

Sandeep, S. H., and C. V. Srinivasa. "Hybrid Sandwich Panels: A Review." International Journal of Applied Mechanics and Engineering 25, no. 3 (2020): 64–85. http://dx.doi.org/10.2478/ijame-2020-0035.

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AbstractA high specific stiffness, high specific strength, and tailoring the properties for specific application have attracted the attention of the researchers to work in the field of laminated composites and Sandwich structures. Rapid use of these laminated composites and Sandwich structures necessitated the development of new theories that suitable for the bending, buckling and vibration analysis. Many articles were published on free vibration of beams, plates, shells laminated composites and sandwich structures. In this article, a review on free vibration analysis of shear deformable isotr

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Momeni, Saman, and Abolghassem Zabihollah. "Vibration Behavior of Foam-Based Laminated Sandwich Beams Using a Modified Layerwise Theory." Applied Mechanics and Materials 925 (April 7, 2025): 129–37. https://doi.org/10.4028/p-uqlti3.

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The vibration response of laminated sandwich beams, with a core layer filled with various foam materials, referred to as Foam-based Sandwich Laminated Composite (FSLC) beams, has been studied. First, to precisely capture the varying material properties across the thickness of the sandwich beams, a modified layerwise displacement theory was employed. This approach addresses the inhomogeneity of the foam material in the core, yielding more accurate results than conventional classical laminated plate theories typically used for analyzing laminated composite structures. Secondly, to assess the imp

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27

Grigsby, Warren, Victor Gager, Kimberly Recabar, Andreas Krause, Marc Gaugler, and Jan Luedtke. "Quantitative Assessment and Visualisation of the Wood and Poly(Lactic Acid) Interface in Sandwich Laminate Composites." Fibers 7, no. 2 (2019): 15. http://dx.doi.org/10.3390/fib7020015.

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Fluorescence microscopy was applied to understand adhesion interfaces developed within laminated composite sandwiches formed between poly(lactic acid) (PLA) and wood veneers. Composites formed with maple veneer had greater tensile bond strength when manufactured at 200 °C (10.4 N/mm2) compared to formation at 140 °C (8.7 N/mm2), while significantly lower bond strength was achieved using spruce veneers, at 5.2 and 3.5 N/mm2, respectively. Qualitative and quantitative confocal microscopy assessments revealed differing bondline thicknesses and PLA ingress within the wood ultrastructure. Forming m

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Nor Hasnidawani, Johari, Noor Azlina Hassan, and Zahurin Halim. "Thermal Analysis of Kenaf Sandwich Panel." Advanced Materials Research 812 (September 2013): 271–74. http://dx.doi.org/10.4028/www.scientific.net/amr.812.271.

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The introduction of the eco-core sandwich panel composite is contributing a new approach to the designer to achieve high performance and light weight. In this research project, the new kenaf eco-core sandwich panel will be developed and then laminated with galvanized steel. The final goal is to find the optimum eco-core metal matrix composite sandwich structure with maximum mechanical properties such as stiffness and buckling. Kenaf eco-core sandwich will be fabricated and study on the interaction between eco-core sandwich panel and metal faces will be performed. The characterization of the ec

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29

Ha, K., P. Tranchard, P. Bachelet, et al. "Representative elementary volume combustion calorimetry (RevCC): a bench-scale apparatus for measuring heat release rate & total heat release of composites." Journal of Physics: Conference Series 2885, no. 1 (2024): 012030. http://dx.doi.org/10.1088/1742-6596/2885/1/012030.

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Abstract The Microscale Combustion Calorimeter (MCC) is commonly utilized to assess the fire behaviour of polymers at the microscale. However, for highly heterogeneous composite materials, such as sandwich laminates commonly found in aircraft interiors, obtaining a representative sample in few milligrams is impossible. In this work, we developed the Representative Elementary Volume Combustion Calorimeter (RevCC), a mesoscale testing platform inspired by the MCC principle, to characterize the fire behaviour of our highly heterogeneous laminated materials. A comparison of results obtained from c

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Kim, Chun-Gon, and Eui-Jin Jun. "Impact Resistance of Composite Laminated Sandwich Plates." Journal of Composite Materials 26, no. 15 (1992): 2247–61. http://dx.doi.org/10.1177/002199839202601504.

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CHAKRABARTI, ANUPAM, and ABDUL HAMID SHEIKH. "DYNAMIC INSTABILITY OF COMPOSITE AND SANDWICH LAMINATES WITH INTERFACIAL SLIPS." International Journal of Structural Stability and Dynamics 10, no. 02 (2010): 205–24. http://dx.doi.org/10.1142/s0219455410003324.

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The dynamic instability of composite and sandwich laminates with interfacial slips is studied in this paper. An efficient finite element model recently developed by the authors is used for the purpose. The plate model is based on a refined higher-order shear deformation theory, where the transverse shear stresses are continuous at the layer interfaces with stress free conditions at plate top and bottom. A linear spring-layer model is used to model the interfacial slips by introducing in-plane displacement jump at the interfaces. Some interesting new results are presented in this paper, which a

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Tu, Tran Minh. "Static analysis of laminated and sandwich composite plates based on simple refined higher-order displacement theory." Vietnam Journal of Mechanics 32, no. 2 (2010): 95–106. http://dx.doi.org/10.15625/0866-7136/32/2/309.

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A simple refined higher-order displacement theory is used for the static analysis of laminated and sandwich plates. Both analytical and finite element solutions are developed. Numerical examples of laminated and sandwich plates are given for different thickness ratios, length-to-thickness ratios to illustrate the accuracy of the present formulation by comparing the present results with results already available in the literature.

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Wang, Yao, Jianxun Zhang, Hui Guo, and Hui Yuan. "Low-Velocity Impact of Clamped Rectangular Sandwich Tubes with Fiber Metal Laminated Tubes." Polymers 16, no. 13 (2024): 1833. http://dx.doi.org/10.3390/polym16131833.

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Fiber metal laminated sandwich tubes are made up of alternating fiber-reinforced composite and metal layers. Fiber metal laminated tubes have the advantages of the high strength and high stiffness of fiber and the toughness of metal, so they have become an excellent load-bearing and energy-absorbing, lightweight structure. Due to the complexity of the fiber layup, it is difficult to establish an analytical model of the relevant structural properties. In this work, introducing the number and volume fraction of fiber layup, based on the modified rigid–plastic model, an analytical model is establ

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Utami, Mala, Jonathan Ernest Sirait, Beny Budhi Septyanto, Aries Sudiarso, and I. Nengah Putra Apriyanto. "Laminar Composite Materials for Unmanned Aircraft Wings." Defense and Security Studies 3 (December 21, 2022): 106–12. http://dx.doi.org/10.37868/dss.v3.id211.

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Unmanned Aerial Vehicles (UAVs) have high popularity, especially in the military field, but are now also being applied to the private and public sectors. One of the UAV components that require high material technology is the wing. The latest material technology developed as a material for unmanned aircraft wings is a composite material that has high strength and lightweight. This research aims to identify composite materials that can be used for unmanned aircraft wing structures. The method used in this research is a qualitative method with a literature study approach. The results of this theo

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Hanafi, Irvan Nur, Lilies Esthi Riyanti, and Hari Kurniawanto. "DESIGN PROCEDURE FOR MAKING AND REPAIRING COMPOSITE SANDWICH BASED ON AUGMENTED REALITY." EDUTECH 21, no. 3 (2022): 240–52. http://dx.doi.org/10.17509/e.v21i3.42697.

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Composite-based structures are becoming increasingly common in aircraft construction. Its use is done to improve structural strength performance and weight loss of aircraft. Composite is divided into two manufacturing concepts, namely, composite sandwich and also composite laminate. The composite sandwich concept provides a method for obtaining high bending stiffness with minimal weight compared to laminate construction. The number of advantages obtained in composite sandwiches can’t be separated from the level of difficulty possessed in the process of making and repairing composites. This stu

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Arya, Mina, Else-Marie Malmek, Thomas Koch Ecoist, Jocke Pettersson, Mikael Skrifvars, and Pooria Khalili. "Enhancing Sustainability: Jute Fiber-Reinforced Bio-Based Sandwich Composites for Use in Battery Boxes." Polymers 15, no. 18 (2023): 3842. http://dx.doi.org/10.3390/polym15183842.

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The rising industrial demand for environmentally friendly and sustainable materials has shifted the attention from synthetic to natural fibers. Natural fibers provide advantages like affordability, lightweight nature, and renewability. Jute fibers’ substantial production potential and cost-efficiency have propelled current research in this field. In this study, the mechanical behavior (tensile, flexural, and interlaminar shear properties) of plasma-treated jute composite laminates and the flexural behavior of jute fabric-reinforced sandwich composites were investigated. Non-woven mat fiber (MF

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Ramesh, Babu V., R. Vasudevan, and Naveen B. Kumar. "Vibration Analysis of a Laminated Composite Magnetorheological Elastomer Sandwich Beam." Applied Mechanics and Materials 592-594 (July 2014): 2097–101. http://dx.doi.org/10.4028/www.scientific.net/amm.592-594.2097.

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In this study, the vibration analysis of a laminated composite magnetorheological elastomer (MRE) sandwich beam is presented. The governing differential equations of motion of a sandwich beam embedding a MRE layer as core layer and laminated composite beams as the face layers are presented in a finite element formulation. The validity of the developed finite element formulation is demonstrated by comparing results in terms of the natural frequencies derived from the present finite element formulation with those in the available literature. Various parametric studies are also performed to inves

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Vaidya, U. K., A. N. Palazotto, and L. N. B. Gummadi. "Low Velocity Impact and Compression-After-Impact Response of Z-Pin Reinforced Core Sandwich Composites." Journal of Engineering Materials and Technology 122, no. 4 (2000): 434–42. http://dx.doi.org/10.1115/1.1289141.

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In the current work, sandwich composite structures with innovative constructions referred to as Z-pins, or truss core pins, are investigated. The Z-pin core sandwich construction offers enhanced transverse stiffness, high damage resistance, and multi-functional benefits. The present study deals with analysis of low-velocity impact (LVI) of Z-pin sandwich plate, and experimental studies of compression-after-impact characterization. Experimental studies on LVI of Z-pin sandwich plate considered in the analysis have been reported in Vaidya, et al., 1999, “Low Velocity Impact Response of Laminated

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Jedari Salami, S., M. Sadighi, M. Shakeri, and M. Moeinfar. "An Investigation on Low Velocity Impact Response of Multilayer Sandwich Composite Structures." Scientific World Journal 2013 (2013): 1–9. http://dx.doi.org/10.1155/2013/175090.

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The effects of adding an extra layer within a sandwich panel and two different core types in top and bottom cores on low velocity impact loadings are studied experimentally in this paper. The panel includes polymer composite laminated sheets for faces and the internal laminated sheet called extra layer sheet, and two types of crushable foams are selected as the core material. Low velocity impact tests were carried out by drop hammer testing machine to the clamped multilayer sandwich panels with expanded polypropylene (EPP) and polyurethane rigid (PUR) in the top and bottom cores. Local displac

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Kumar, Dhotre Pavan, and Chikkol V. Srinivasa. "Modal Characterization of Sandwich Skew Plates." Acta Mechanica et Automatica 15, no. 3 (2021): 143–53. http://dx.doi.org/10.2478/ama-2021-0019.

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Abstract The current work focuses on the experimental and finite element free vibration studies of laminated composite sandwich skew plates. The comparison was made between the experimental values obtained by the Fast Fourier transform (FFT) analyzer and a finite element solution obtained from CQUAD8 finite element of The MacNeal-Schwendler Corporation (MSC) / NASA STRucture Analysis (NASTRAN) software. The influence of parameters such as aspect ratio (AR) (a/b), skew angle (α), edge condition, laminate stacking sequence, and fiber orientation angle (θ°) on the natural frequencies of sandwich

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Vinson, J. R. "In-Plane Shear Strength Determination of Composite Materials in Laminated and Sandwich Panels." Applied Mechanics Reviews 50, no. 11S (1997): S237—S240. http://dx.doi.org/10.1115/1.3101842.

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A simple test procedure is available to determine the in-plane shear strength of laminated composite materials, as well as other orthotropic and isotropic advanced material systems. The test apparatus is simple, inexpensive, and the flat rectangular plate test specimen is not restricted in size or aspect ratio. In addition to its use for laminated composite materials, the test can also be used for foam core sandwich panels. In sandwich panels, the tests can be used to determine the in-plane shear strength of the faces, the core and/or the adhesive bond between face and core. The shear stresses

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Nazari, AR, H. Hosseini-Toudeshky, and MZ Kabir. "Experimental investigations on the sandwich composite beams and panels with elastomeric foam core." Journal of Sandwich Structures & Materials 21, no. 3 (2017): 865–94. http://dx.doi.org/10.1177/1099636217701093.

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In this paper, the load-carrying capacity and failure mechanisms of sandwich beams and panels with elastomeric foam core and composite laminate face sheets are investigated. For this purpose, the flexural behavior of laminated composite beams and panels (applied as face sheets) is firstly investigated under three-point bending and central concentrated loads, respectively. Then, the same examination is conducted for the sandwich beams and panels, in which the proposed elastomeric foam is utilized as the core material. It is shown that the failure mechanisms which are associated to the core in t

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Kurhe Nikhil, M., B. Shedbale Indrajeet, D. Charapale Utkarsh, and R. Manoharan. "Modal Analysis of Hybrid Laminated Composite Sandwich Plate." Materials Today: Proceedings 5, no. 5 (2018): 12453–66. http://dx.doi.org/10.1016/j.matpr.2018.02.225.

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Anish, Ajay Kumar, and Anupam Chakrabarti. "Failure mode analysis of laminated composite sandwich plate." Engineering Failure Analysis 104 (October 2019): 950–76. http://dx.doi.org/10.1016/j.engfailanal.2019.06.080.

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Anish and Ajay Kumar. "Ultimate Strength Analysis of Laminated Composite Sandwich Plates." Structures 14 (June 2018): 95–110. http://dx.doi.org/10.1016/j.istruc.2018.02.004.

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Araújo, A. L., P. Martins, C. M. Mota Soares, C. A. Mota Soares, and J. Herskovits. "Damping optimization of viscoelastic laminated sandwich composite structures." Structural and Multidisciplinary Optimization 39, no. 6 (2009): 569–79. http://dx.doi.org/10.1007/s00158-009-0390-4.

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Madeira, J. F. A., A. L. Araújo, C. M. Mota Soares, C. A. Mota Soares, and A. J. M. Ferreira. "Multiobjective design of viscoelastic laminated composite sandwich panels." Composites Part B: Engineering 77 (August 2015): 391–401. http://dx.doi.org/10.1016/j.compositesb.2015.03.025.

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Hoseinzadeh, Mohammad, and Jalil Rezaeepazhand. "Dynamic stability enhancement of laminated composite sandwich plates using smart elastomer layer." Journal of Sandwich Structures & Materials 22, no. 8 (2018): 2796–817. http://dx.doi.org/10.1177/1099636218819158.

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The dynamic stability of composite sandwich plates with a smart elastomer layer subjected to an axial periodic load is investigated. A finite element model of the composite sandwich plate with Magnetorheological elastomer (MRE) core is developed. A MRE layer, which its mechanical properties change with the applied magnetic field, is used as a damping layer to improve the stability of the structure. Due to the intrinsic characteristics of the MREs, these materials commonly operate in their pre-yield region. In this region, complex shear modulus is used for these materials. The effect of differe

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Muric-Nesic, Jelena, Z. Stachurski, Paul Compston, and N. Noble. "Effect of Vibrations on Void Content in Composite Materials." Advanced Materials Research 32 (February 2008): 145–48. http://dx.doi.org/10.4028/www.scientific.net/amr.32.145.

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Eliminating common defects such as voids, bubbles and poor adhesion at interfaces will increase the quality of laminated sandwich composite structure. We are experimenting and analyzing the effect of mechanical vibrations applied to the curing system of composite materials production, particularly on minimizing void content. The range of frequency of vibrations covered was from 2Hz to 8kHz, for different period of vibrations. The composite laminates were made by hand lay-up using glass fibres and vinyl-ester resin, and examined under a microscope to determine types and quantity of defects. The

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Zhang, Chen, Yunfei Rao, Zhe Li, and Wei Li. "Low-Velocity Impact Behavior of Interlayer/Intralayer Hybrid Composites Based on Carbon and Glass Non-Crimp Fabric." Materials 11, no. 12 (2018): 2472. http://dx.doi.org/10.3390/ma11122472.

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Composites have gained wide use in structural applications; however, they are sensitive to impact damage. The use of hybrid composites is an effective way to overcome this deficiency. The effects of various hybrid structures of interlayer and intralayer warp-knitted fabrics with carbon and glass fibers on the low-velocity impact behavior of composite laminates were studied. Drop-weight impact tests were conducted on two types of interlayer, sandwich and intralayer hybrid composite laminates, which were compared with homogenous composite laminates. During low-velocity impact tests, the time his

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