Relevant bibliographies by topics / Two-core sandwich structures

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Two-core sandwich structures'

Author: Grafiati
Published: 4 June 2021
Last updated: 8 February 2022

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Journal articles on the topic "Two-core sandwich structures"

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Jiang, Da Zhi, Fu Biao Yang, Su Li Xing, and Jia Yu Xiao. "Dynamic Response of Two-Core Sandwich Composite Structures under Impact." Solid State Phenomena 136 (February 2008): 115–24. http://dx.doi.org/10.4028/www.scientific.net/ssp.136.115.

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Traditional sandwich structure consists of two face sheets and a core. With an internal sheet inserted into the core, a two-core sandwich structure is then formed. Two-core sandwich structures with composite laminated face sheets and a thin internal sheet subjected to low velocity impact are studied in this paper. Local displacement of the core under the point of impact is investigated. Simulated results show that the local displacement of the core along the direction of the impact has been decreased significantly by introducing the internal sheet into a traditional single sandwich structure a
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Kim, Beomkeun, and Richard M. Christensen. "Basic two-dimensional core types for sandwich structures." International Journal of Mechanical Sciences 42, no. 4 (2000): 657–76. http://dx.doi.org/10.1016/s0020-7403(99)00028-4.

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Li, Chang Liang, Da Zhi Jiang, Jing Cheng Zeng, and Su Li Xing. "Dynamic Response and Damage Mechanism of Two-Core Composite Sandwich Panels under Low-Velocity Impact." Applied Mechanics and Materials 405-408 (September 2013): 2810–14. http://dx.doi.org/10.4028/www.scientific.net/amm.405-408.2810.

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Dynamic response and damage mechanism of two-core sandwich panels with foam and honeycomb cores and glass fiber/epoxy composite sheets under low-velocity transverse impact are investigated. The emphasis is focused on the contact force response and crash mechanism of the two-core sandwich panels. Effects of configurations, impact energy levels and types of the cores on the dynamic response are investigated. A modified drop-test experiment is carried out to obtain contact force history of the two-core sandwich structures under different impact energies. The experimental results show that the 10:
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Branca, Carmen, and Colomba Di Blasi. "Combustion kinetics of two core materials for sandwich structures." Journal of Thermal Analysis and Calorimetry 117, no. 2 (2014): 961–72. http://dx.doi.org/10.1007/s10973-014-3845-9.

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Gdoutos, E. E. "Failure Modes of Sandwich Structures." Applied Mechanics and Materials 7-8 (August 2007): 23–28. http://dx.doi.org/10.4028/www.scientific.net/amm.7-8.23.

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A thorough investigation of the failure mechanisms of composite sandwich beams under four- and three-point bending and cantilever beams was undertaken. The beams were made of unidirectional carbon/epoxy (AS4/3501-6) facings and a PVC closed-cell foam (Divinycell) core. Two types of core material H100 and H250 with densities 100 and 250 kg/m3, respectively, were used. The failure modes investigated are face sheet compressive failure, core failure and facing wrinkling. The various modes have been studied separately and both initiation and ultimate failure have been determined. Initiation of a pa
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Grünewald, Jonas, Patricia Parlevliet, and Volker Altstädt. "Definition of process parameters for manufacturing of thermoplastic composite sandwiches – Part A." Journal of Thermoplastic Composite Materials 31, no. 6 (2017): 745–66. http://dx.doi.org/10.1177/0892705717729013.

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Thermoplastic composite sandwich structures offer great potential to meet the demands of lightweight structures for aeronautical applications. In this study, compression moulding of sandwich components, consisting of carbon fibre reinforced polyether ether ketone (CF/PEEK) skins and polyetherimide (PEI) core structures, is studied by modelling the effect of processing conditions on the properties of the sandwich structure, particularly the skin to core bond. In order to predict the skin-to-core tensile bond strength, a theoretical model is deduced, which is based on intimate contact and autohe
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Ma, Quanjin, MRM Rejab, JP Siregar, and Zhongwei Guan. "A review of the recent trends on core structures and impact response of sandwich panels." Journal of Composite Materials 55, no. 18 (2021): 2513–55. http://dx.doi.org/10.1177/0021998321990734.

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It is a challenging task to advance the excellent strength and structural performance of sandwich structures, while continuing to reduce the weight and cost parameters. Thousands of researchers have studied and developed the core structural innovation with periodical achievements. This review paper concentrates on the core structural trends and impact response of sandwich panels, which highlights the novel design concepts and impact failure modes. Three kinds of core structures have been classified, which are foam-core, two- and three-dimensional periodic cores. It is shown that the core struc
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Mat Rejab, Mohd Ruzaimi, W. A. W. Hassan, Januar Parlaungan Siregar, and Dandi Bachtiar. "Specific Properties of Novel Two-Dimensional Square Honeycomb Composite Structures." Applied Mechanics and Materials 695 (November 2014): 694–98. http://dx.doi.org/10.4028/www.scientific.net/amm.695.694.

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Hexagonal honeycomb cores have found extensive applications particularly in the aerospace and naval industries. In view of the recent interest in novel strong and lightweight core architectures, square honeycomb cores were manufactured and tested under uniform lateral compression. A slotting technique has been used to manufacture the square honeycomb cores based on three different materials; glass fibre-reinforced plastic (GFRP), carbon fibre-reinforced plastic (CFRP) and self-reinforced polypropylene (SRPP). As semi-rigid polyvinyl chloride (PVC) foam was placed in each of unit cells to furth
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Rahman, S. K. Abdul, and Z. Halim. "Thermal Analysis of Kenaf Sandwich Core Panel." Advanced Materials Research 576 (October 2012): 488–91. http://dx.doi.org/10.4028/www.scientific.net/amr.576.488.

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The thermal stability of kenaf sandwich panel core structures are presented in this paper. Sandwich core structures tested are of varying kenaf percentage being 10, 20 and 30 wt%. The result indicated that all composite have two step degradation processes due to the presence of kenaf in epoxy. From the discussion, increasing the kenaf percent ratio will decrease the percent residue.
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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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Dissertations / Theses on the topic "Two-core sandwich structures"

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Yuan, Lisha. "Optimum First Failure Loads of Sandwich Plates/Shells and Vibrations of Incompressible Material Plates." Diss., Virginia Tech, 2021. http://hdl.handle.net/10919/102664.

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Due to high specific strength and stiffness as well as outstanding energy-absorption characteristics, sandwich structures are extensively used in aircraft, aerospace, automobile, and marine industries. With the objective of finding lightweight blast-resistant sandwich structures for protecting infrastructure, we have found, for a fixed areal mass density, one- or two-core doubly-curved sandwich shell's (plate's) geometries and materials and fiber angles of unidirectional fiber-reinforced face sheets for it to have the maximum first failure load under quasistatic (blast) loads. The analyses e
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Book chapters on the topic "Two-core sandwich structures"

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Hause, Terry John. "Theory of Sandwich Plates and Shells with an Transversely Compressible Core – Theory Two." In Sandwich Structures: Theory and Responses. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-71895-4_8.

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Jiang, Da Zhi, Fu Biao Yang, Su Li Xing, and Jia Yu Xiao. "Dynamic Response of Two-Core Sandwich Composite Structures under Impact." In Solid State Phenomena. Trans Tech Publications Ltd., 2008. http://dx.doi.org/10.4028/3-908451-50-7.115.

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Majid, D. L., Nor Hafizah Manan, and Yee Ling Chok. "Honeycomb Composite Structures of Aluminum: Aerospace Applications." In Encyclopedia of Aluminum and Its Alloys. CRC Press, 2019. http://dx.doi.org/10.1201/9781351045636-140000279.

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A honeycomb composite structure is usually composed of a lightweight hexagonal core sandwiched between two thin face sheets that are adhesively joined. Both the core and the face sheets can be combinations of many types of materials depending on the application. In this article, an overview of the design and manufacturing process of aluminum honeycomb composite structures particularly for aerospace application is presented. Aluminum honeycomb composite structures are lightweight constructions with high specific strength and stiffness that are applied mainly in the aerospace industry. An aluminum honeycomb panel is typically made up of the secondary structural components and interiors of an aircraft such as the wing skin, trailing edge, control surface, flooring, partitions, aircraft galleys, and overhead bins, to name a few. Other applications are in the spacecraft, helicopter, missile, and satellite. Owing to its honeycomb design peculiar to the hexagonal beehives, it can reach more than 30 times higher in stiffness and 10 times higher in flexural strength compared to its solid counterpart of the same weight. The mechanical properties of the honeycomb composite structure hinge on the materials of the core and face sheets, the core geometries, and the thickness of the face sheets. Designed for superior flexural and shear loading, the selection of the optimal honeycomb design will depend on the application requirements. The principal design criterion of a sandwich structure in aerospace applications is weight saving, and there is a trade-off between performance and cost. In terms of manufacturing of the honeycomb composite sandwich structure, the two main processes are the expansion process commonly used for low-density cores and the corrugation process for higher density cores.
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Kubade, Pravin R., Amol N. Patil, and Hrushikesh B. Kulkarni. "Structure Properties Relationship Studies of Vinyl Ester Hybrid Syntactic Foam." In Handbook of Research on Advancements in Manufacturing, Materials, and Mechanical Engineering. IGI Global, 2021. http://dx.doi.org/10.4018/978-1-7998-4939-1.ch018.

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Syntactic foam is the porous composite produced by mixing prefabricated hollow spherical particle into the matrix. Syntactic foams are used as energy absorption sandwich core for several applications like marine, automotive, and aerospace. In this work, low density hollow glass microspheres are hybridized with fly ash cenosphere in Bisphenol-A epoxy-based vinyl ester matrix. Hybrid syntactic foams is created with 60% total filler content. Within these hybrid systems internal composition of two fillers were varied in a step of 25 vol% with respect to each other. Hybrid syntactic foams are prepared by the hand lay-up (molding) method. The physical characterization parameter contains density and matrix porosity whereas tensile, quasi-static compression, flexural (3-point bending), Izod impact, and micro Vickers hardness are grouped as mechanical characterization parameters. Scanning electron microscopy was performed on fractured surfaces to examine deformation and fracture mechanisms related with each loading condition.
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Conference papers on the topic "Two-core sandwich structures"

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Konka, Hari Prasad, M. A. Wahab, and Kun Lian. "Sandwich Structures With Smart Composite Face Skin." In ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-62170.

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Sandwich structures are one of the very important classes of composite structures that have been studied quite extensively in the past few years. The concepts of sandwich structures have been widely used in the aerospace, automobile, marine, and civil engineering applications; because it is suitable and amenable to the development of light-weight structures with high in-plane and flexural stiffness. A typical sandwich structure is usually comprised of two stiff face skins, which are separated by a thick, lightweight, and compliant core. The primary function of the face skin sheets in a sandwic
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Xie, Ruikang, Jianmin Li, and Yan Chen. "The Graded Origami Structures." In ASME 2015 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/detc2015-46081.

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There are many excellent graded structures existing in nature to optimize the mechanical properties in various load situations by adjusting the distribution of materials. In this research, rigid origami and graded structure concept are combined together to form the graded origami structures. Seven methods are proposed, including changing the length of crease lines, changing the sector angle, changing the number of units, and the combinations of them. Two rigid origami patterns, Miura-ori and Arc-Miura, are chosen to generate the graded origami structures, and the geometric parameters of each p
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Ai, Dongjie, Yuansheng Cheng, Jun Liu, Jianhu Liu, Haikun Wang, and Pan Zhang. "Numerical Simulation on Response of Foam Core Sandwich Panels Subjected to Underwater Explosion." In ASME 2016 35th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/omae2016-55149.

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Sandwich panel structures, which consist of two thin faces and low relative density cores, can significantly mitigate the possibilities of panel fractures. In the present paper, numerical simulations are conducted to study the deformation and fracture modes of sandwich structures under near-field underwater blasts and contact underwater blasts. Two different core materials are employed, namely aluminum foam and PVC foam. Main focus of this paper was placed to (i) study the failure mechanisms and energy absorption characteristics of sandwich structures in typical conditions, (ii) to demonstrate
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Hemmatian, Masoud, and Ramin Sedaghati. "Sound Transmission Loss of Adaptive Sandwich Panels Treated With MR Fluid Core Layer." In ASME 2016 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/smasis2016-9059.

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This study aims to investigate the sound transmission loss (STL) capability of sandwich panels treated with Magnetorheological (MR) fluids at low frequencies. An experimental setup has been designed to investigate the effect of the intensity of the applied magnetic field on the natural frequencies and STL of a clamped circular plate. A multilayered uniform circular panel comprising two elastic face sheets and MR fluid core layer is fabricated. It is shown that as the applied magnetic field increases, the fundamental natural frequency of the MR sandwich panel increases. Moreover, the STL of the
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Ringsberg, Jonas W. "Load-Carrying Characteristics of Foam Core and Joint Geometry in Sandwich Structures." In ASME 2020 39th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/omae2020-18055.

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Abstract Composite sandwich ships have laminated joints that contribute to a significant part of the ship’s weight. Their construction requires an extensive number of man-hours. There is great potential for weight and production-time-reduction through alternative joint designs. According to class rules, one is not allowed to benefit from the load-carrying capability of the core, i.e. the strength characteristics of the core shall be disregarded and geometry at the joint location is disregarded as well. The objective of the current investigation was to investigate the possibility of constructin
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Mathew, Alka Susan, and Regi P. Mohan. "Analytical Study on Seismic Performance of Aluminium Sandwich Shear Wall with Different Core Shapes." In International Web Conference in Civil Engineering for a Sustainable Planet. AIJR Publisher, 2021. http://dx.doi.org/10.21467/proceedings.112.6.

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Shear walls are efficient monotonic load resisting systems in high rise or super high rise framed structures and hence are the most critical elements in seismic design. This paper focus on application of Aluminium sandwich shear walls (ASSW) consist of aluminium panels as top and bottom plates and aluminium core to serve as seismic protection system. ASSW have the advantage that these are light weight systems with high stiffness to weight ratio and bending strength. These could well replace steel shear walls which are having more structural weight. This paper presents analytical analysis of pe
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Labriola, Corrado, and Vito Tagarielli. "ARPRO®: A New Structural Core Material for the Yacht Industry." In SNAME 18th Chesapeake Sailing Yacht Symposium. SNAME, 2007. http://dx.doi.org/10.5957/csys-2007-010.

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Sandwich structures are increasingly used in marine applications where high bending specific stiffness and strength are required. So far, expanded polymeric foams such as Styrene Acrilonitrile (SAN) and Polyvinyl Chloride (PVC) have been proved to be the most suitable core materials for motor and sailing yacht sandwich constructions. ISO standards have accepted these materials and suggested design rules built around their mechanical properties. One of the main drawbacks in the application of sandwich composite structures is the fact that their load carrying ability may be significantly reduced
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Gu, Jiguang, Nana Yang, Zhanyi Guo, and Xiongliang Yao. "The Experiment and Finite Element Analysis of Carbon Fiber Sandwich Beam With Pyramidal Truss Core Structure." In ASME 2016 35th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/omae2016-55150.

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A new technology method is adapted to manufacture carbon fiber lattice sandwich beam with pyramidal truss core. The flat crush test experiment is to test the resistance to compression of the carbon fiber sandwich plate with pyramidal truss core. The result shows that after the pressure head contact the specimens adequately, and the stiffness of structure is the maximum. If the load is continuing increase, the pyramidal truss core may be destroyed, and both sides of the carbon fiber panel begin tottering. It emerges permanent deformation on the structures after an uninstall. The three-point ben
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Panciroli, Riccardo, and Serge Abrate. "Dynamic Response of Sandwich Structures to Impulsive Loads." In ASME 2009 International Mechanical Engineering Congress and Exposition. ASMEDC, 2009. http://dx.doi.org/10.1115/imece2009-11660.

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This article considers the dynamic response of sandwich structures to various pulses. During the early phase, waves propagating through the thickness of the sandwich can cause damage to the core. Once the overall bending deformation is established, a different type of response is observed. The challenge in the analysis is to capture both the early phase and the long term response. It is shown that, because of the kinematic assumptions made in their development, plate and shell theories cannot adequately capture the early phase of the response. Here the dynamic behavior of sandwich structures i
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Sadeghnejad, Soroush, Mojtaba Sadighi, and Abdolreza Ohadi Hamedani. "An Extended Higher-Order Free Vibration Analysis of Composite Sandwich Beam With Viscoelastic Core." In ASME 2012 11th Biennial Conference on Engineering Systems Design and Analysis. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/esda2012-82686.

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Free vibration analysis of sandwich beam with a viscoelastic core based on the extended high-order sandwich panel theory approach is presented. The effects of transverse shear and core compressibility are of high importance in sandwich structures, having an influence on the entire structural behavior especially in vibrations. For applications involving stiffer cores, the high-order sandwich panel theory (HSAPT) cannot accurately predict the shear and axial stress distributions in the core. Thus, by using the “Extended High-Order Sandwich Panel Theory” (EHSAPT), the in-plane rigidity of the cor
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