Blast resistance and parametric study of sandwich structure consisting of honeycomb core filled with circular metallic tubes

Liu, Jiefu; Wang, Zhonggang; Hui, David

doi:10.1016/j.compositesb.2018.03.005

Cited by 87 publications

(25 citation statements)

References 44 publications

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“…Honeycomb sandwich composites are extensively used in aerospace and automotive applications because of their moisture‐resistant hollow structure that provides an impressive impact resistance . Honeycomb cores are also continuously being reinforced with other materials such as metallic tubes and aluminum grids to further improve properties like blast resistance, energy absorption, and stiffness, which make them ideal for aerospace applications. Egg‐ and pyramid‐shaped honeycomb cores from a previous study have shown superior specific energy absorption compared to other honeycomb cores with low densities .…”

Section: Sandwich Structuresmentioning

confidence: 99%

A review on recent advances in sandwich structures based on polyurethane foam cores

et al. 2020

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Sandwich composites with a polyurethane foam (PUF) core have become a versatile set of materials with applications ranging from basic construction elements to advanced engineering materials. This diverse range of applications has provided these sandwich materials with a distinctive position in today's engineering world. This review focuses on the broad research that has been carried out on PUF core‐based sandwich composites over the years—especially in the last decade. Thorough details have been presented focusing on basic PUF core sandwich structures, advanced PUF core sandwich composites with different kinds of reinforcements and complex structures such as hybrid sandwich panels. All the research presented here has been categorized carefully, such as the types of materials used in various studies, the types of reinforcements and testing techniques used, including mechanical, electrical, dynamic, thermal and acoustic methods etc. Comparisons have also been made based on similar materials, similar testing procedures and similar application areas. Research areas have been highlighted by giving a deep insight into the most promising research, manufacturing techniques and improvement procedures. Major consumption areas and application sectors for PUF core sandwich composites have also been discussed in this review. Finally, conclusions have been made based on the results found from a literature investigation.

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Section: Sandwich Structuresmentioning

confidence: 99%

A review on recent advances in sandwich structures based on polyurethane foam cores

et al. 2020

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“…Recently, some novel honeycomb-based structures were proposed, such as embedded [ 12 , 13 ], tandem [ 14 , 15 , 16 ], hierarchical [ 17 ], and negative Poisson’s Ratio (NPR) [ 18 ] honeycombs. Moreover, filling tube [ 19 , 20 , 21 , 22 ] and foam [ 23 , 24 , 25 , 26 , 27 , 28 ] into honeycomb was also regarded as an efficiency method to increase the mechanical and energy-absorption performances. Hussein et al [ 20 ] studied the axial crushing response of aluminum honeycomb-filled square carbon-fiber-reinforced plastic (CFRP) tubes, showing increased mean crushing force and energy absorption.…”

Section: Introductionmentioning

confidence: 99%

Effect of Absorbent Foam Filling on Mechanical Behaviors of 3D-Printed Honeycombs

et al. 2020

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Polylactic acid (PLA) hexagonal honeycomb structures were fabricated by using 3D-printing technology. By filling with absorbent polymethacrylimide (PMI) foam, a novel absorbent-foam-filled 3D-printed honeycomb was obtained. The in-plane (L- and W-direction) and out-of-plane (T-direction) compressive performances were studied experimentally and numerically. Due to absorbent PMI foam filling, the elastic modulus, compressive strength, energy absorption per unit volume, and energy absorption per unit mass of absorbent-foam-filled honeycomb under L-direction were increased by 296.34%, 168.75%, 505.57%, and 244.22%, respectively. Moreover, the elastic modulus, compressive strength, energy absorption per unit volume, and energy absorption per unit mass, under W-direction, also have increments of 211.65%, 179.85, 799.45%, and 413.02%, respectively. However, for out-of-plane compression, the compressive strength and energy absorption per unit volume were enhanced, but the density has also been increased; thus, it is not competitive in energy absorption per unit mass. Failure mechanism and dimension effects of absorbent-foam-filled honeycomb were also considered. The approach of absorbent foam filling made the 3D-printed honeycomb structure more competitive in electromagnetic wave stealth applications, while acting simultaneously as load-carrying structures.

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“…As aforementioned, the flexural waves emanate from the plate boundary and propagates towards the plate center [15]. Thanks for the development of innovative material technologies, kinds of composited light-weight structures were also investigated [16][17][18][19][20] under impact loads.…”

Section: Introductionmentioning

confidence: 99%

Dynamic Response Mechanism of Thin-Walled Metallic Defensive Structure from Explosion in Transportation

Yao¹,

Zhao²,

Zhang³

et al. 2020

Preprint

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Defensive structure is important in transportation field for kinds of intentional or unintentional explosion. Structures subjected to unconfined and confined explosion will bear different blast loads and their dynamic responses are different. The present work focus on the dynamic response mechanism of steel plate under unconfined and confined blast loads through both numerical and experimental studies. In the experiment, Digital Image Correlation (DIC) technique was applied to record and analyze the dynamic response process of large-scale field blast test. The DIC measured curve and the numerical calculated curves agrees well in both the trends and the peak values. Then, the dynamic response mechanism of steel plate under unconfined blast (UB) load and confined blast (CB) load were compared and discussed. Results show that the dynamic response of plate can be divided into three phases under both UB and CB loads, while with different mechanism. In phase I, plastic hinge starts from the center and moves to the boundary in UB condition, while in case of CB, plastic hinge occurs close to the boundary and moves in the opposite direction. In phase II, two plastic hinge lines propagates towards each other, and a platform exists between the boundary and the central area remains undeformed in UB condition, while in CB condition, larger deformation in peripheral region rather than central area produces.

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Blast resistance and parametric study of sandwich structure consisting of honeycomb core filled with circular metallic tubes

Cited by 87 publications

References 44 publications

A review on recent advances in sandwich structures based on polyurethane foam cores

A review on recent advances in sandwich structures based on polyurethane foam cores

Effect of Absorbent Foam Filling on Mechanical Behaviors of 3D-Printed Honeycombs

Dynamic Response Mechanism of Thin-Walled Metallic Defensive Structure from Explosion in Transportation

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