Mechanical properties in glass fiber PVC-foam sandwich structures from different chopped fiber interfacial reinforcement through vacuum-assisted resin transfer molding (VARTM) processing

Chen, Qihui; Linghu, Ting; Ying-ju, Gao; Wang, Zhi; Liu, Yaqing; Du, Ruxu; Zhao, Guizhe

doi:10.1016/j.compscitech.2017.03.033

Cited by 53 publications

(26 citation statements)

References 25 publications

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“…The key way of preparing wave-transparent fabrics is to obtain the ideal wavetransparent EM parameters, the mainstream approaches are the way of fibers surface functionalization, and then woven those fibers into fabrics to become the bearing substrate. After that, it is reinforced with a modified resin base and finally forms the inorganic porous wave-transparent fabric composites with high temperature resistance [97][98][99][100]. Tang et al [100] functionalized the surface of Kevlar (POSS-g-Kevlar@PDA, f-Kevlar) cloth by the method of dopamine/polyhedral oligomeric silsesquioxane (DA/POSS), and the corresponding f-Kevlar cloth/bisphenol A cyanate ester (BADCy) matrix wave-transparent laminated composites were prepared by the method of impregnation, lamination followed by mold pressing.…”

Section: Researches Of Wave-transparent Fabrics Preparationmentioning

confidence: 99%

A Review of Electromagnetic Shielding Fabric, Wave-Absorbing Fabric and Wave-Transparent Fabric

Yin

Gao

et al. 2022

Polymers

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As the basic materials with specific properties, fabrics have been widely applied in electromagnetic (EM) wave protection and control due to their characteristics of low density, excellent mechanical properties as well as designability. According to the different mechanisms and application scenarios on EM waves, fabrics can be divided into three types: EM shielding fabric, wave-absorbing fabric and wave-transparent fabric, which have been summarized and prospected from the aspects of mechanisms and research status, and it is believed that the current research on EM wave fabrics are imperfect in theory. Therefore, in order to meet the needs of different EM properties and application conditions, the structure of fabrics will be diversified, and more and more attentions should be paid to the research on structure of fabrics that meets EM properties, which will be conductive to guiding the development and optimization of fabrics. Furthermore, the application of fabrics in EM waves will change from 2D to 3D, from single structure to multiple structures, from large to small, as well as from heavy to light.

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Section: Researches Of Wave-transparent Fabrics Preparationmentioning

confidence: 99%

A Review of Electromagnetic Shielding Fabric, Wave-Absorbing Fabric and Wave-Transparent Fabric

Yin

Gao

et al. 2022

Polymers

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“…Traditional foam sandwich composites commonly exhibit a panel structure of high flatness with low water absorption properties, as compared to honeycomb sandwich panels. However, compared with honeycomb sandwich structures, foam sandwich structures have lower fracture resistance, which limits the application potential of such sandwich structure core materials [ 7 , 8 ].…”

Section: Introductionmentioning

confidence: 99%

Interfacial Failure in Stitched Foam Sandwich Composites

Zhu

Wang

et al. 2021

Materials

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In this paper, the use of a customized automatic reinforcement stitching equipment was demonstrated. The stitching of foam sandwich composite preforms was achieved to obtain structures with improved interfacial properties. The effect of different stitching spacings on the crack propagation process in glass fiber reinforced plastics (GFRP)/foam sandwich composite interfaces was examined by Mode-I Cracked Sandwich Beam (CSB) fracture tests. The load–displacement curve, the crack propagation process, and the release rate of critical strain energy were analyzed. The CSB fracture test results show that the stitching treatment with different stitching spacings increase the peak load and fracture displacement. Furthermore, it was found that the mechanism of crack propagation is changed by the stitching process. The release rates of the critical strain energy in specimens with 0- and 10-mm stitch spacings were evenly distributed, with an average of 0.961 kJ/m2 and 1.667 kJ/m2, respectively, while the release rates of critical strain energy in specimens with 6-mm and 8-mm stitch spacings were linearly distributed. The CSB fracture tests confirmed that the best suture spacing was 8 mm. Based on these results, the mechanism of crack propagation and the toughening mechanism of the resin column could be revealed.

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“…Nowadays, sandwich composites are widely used in many applications such as marine applications, wind turbines, space, and aircraft vehicles, thanks to their high bending rigidities compared to their lighter weights [1]. Furthermore, the sandwich structures can also be tailored during design by adjusting the material properties of face sheets and sandwich core [2]. A sandwich composite is composed of a core and a facesheet.…”

Section: Introductionmentioning

confidence: 99%

Low-velocity impact, bending, and compression response of carbon fiber/epoxy-based sandwich composites with different types of core materials

Doğan

2020

Jnl of Sandwich Structures & Materials

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This study focuses on the investigation of the effects of different core types on the low velocity impact, three-point bending and out-of-plane compression loading performance of sandwich composites. Three core materials were selected: Balsa wood, PVC foam, and Ayous wood. The facesheets of sandwich composites were produced by woven carbon/epoxy. Balsa and PVC foam are widely used in sandwich composites as core materials. In this study, Ayous wood, which is the lightest tree after Balsa, was used as core material in addition to traditional core materials. Woven carbon fiber fabrics with an areal density 200 g/m2 as reinforcement and epoxy matrix were used to produce the sandwich composite. Vacuum-assisted resin infusion molding method was used to manufacture composite panels. A number of tests under various impact energy levels for three different sandwich composites were conducted with Fractovis Plus impact testing machine in order to investigate the energy absorption capacity of sandwich composites. Maximum contact forces, absorbed energies, and the maximum deflections of sandwich panels were obtained for each impact energy level. Despite having the same facesheets, Ayous core sandwich composites possess a higher perforation threshold than Balsa and PVC foam sandwich composites. The perforation threshold of Balsa, PVC foam, and Ayous sandwich composites are 85, 72, and 170 J, respectively. In addition, the Ayous core sandwich composites have better bending and compression strengths. The bending strength of the Ayous sandwich composite is higher about six times than PVC sandwich composite and about two times than Balsa sandwich composite.

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Mechanical properties in glass fiber PVC-foam sandwich structures from different chopped fiber interfacial reinforcement through vacuum-assisted resin transfer molding (VARTM) processing

Cited by 53 publications

References 25 publications

A Review of Electromagnetic Shielding Fabric, Wave-Absorbing Fabric and Wave-Transparent Fabric

A Review of Electromagnetic Shielding Fabric, Wave-Absorbing Fabric and Wave-Transparent Fabric

Interfacial Failure in Stitched Foam Sandwich Composites

Low-velocity impact, bending, and compression response of carbon fiber/epoxy-based sandwich composites with different types of core materials

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