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Journal articles on the topic 'Composite layers'

Author: Grafiati

Published: 28 May 2022

Last updated: 31 July 2025

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1

Liang, Yun Xing, Li Chen, Hai Wen Liu, and Hua Wu Liu. "The Development of a High Elastic 3D Prefabricated Composite." Advanced Materials Research 332-334 (September 2011): 1773–76. http://dx.doi.org/10.4028/www.scientific.net/amr.332-334.1773.

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With the development of modern technology, fiberglass composite materials are widely applied. The advantages of fiberglass reinforced composite materials are high strength and light weight. In order to produce a prefabricated fiberglass composite, a machine chart was drafted for weaving the 3D fiberglass fabric with five layers. The obtained five-layer 3D fabrics were composited with polyurethane matrix. Afterwards, the performance of the prefabricated composites was tested and the optimal ratio of fiberglass to matrix was determined by statistical analysis.

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2

Ismadi, S. S. Munawar, S. S. Kusumah, et al. "Physical and Mechanical Properties of Natural Fiber Polyester Laminate Composites." IOP Conference Series: Earth and Environmental Science 891, no. 1 (2021): 012002. http://dx.doi.org/10.1088/1755-1315/891/1/012002.

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Abstract The utilization of natural fibers as reinforcing composites has been widely used. Indonesia has natural fibers abundantly such as ijuk fiber (Arenga pinnata), sisal fiber (Agave Sisalana) and coconut fiber (Cocos Nucifera). Random orientation application of the fiber in composites affected to the lower properties. Therefore, the particular orientation of fibres wereapplied in manufacturing of composite by laminating the short fiber with Polyurethane (PU) adhesive. The size and moisture content (MC) of fiber were 14-15 cm and +10%, respectively. The resin content of PU was 5% by weight

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3

Çinçik, Emel, Süreyya Kocatepe, and Eda Aslan. "Comparison of the Influence of Polypropylene (PP) or Polybutylene Terephthalate (PBT)-Based Meltblown and Polyester/Polyamide-Based Hydroentangled Inner Layers on the Sound and Thermal Insulation Properties of Layered Nonwoven Composite Structures." Polymers 17, no. 1 (2025): 101. https://doi.org/10.3390/polym17010101.

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Thermal and sound insulation play a vital role in today’s world, and nonwoven composite structures including microfiber layers provide efficient solutions for addressing these demands. In this study, the sound and thermal insulation properties of nonwoven composite structures, including single-layer meltblown, multilayer meltblown, hydroentangled, and nanofiber nonwoven inner layers, were compared statistically by using Design Expert 13 software. The inner layer type and outer layer type of the composite structures were considered as independent variables, and thickness, bulk density, air perm

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4

Tsakova, Vessela, Svetlozar Ivanov, Ulrich Lange, Aneliya Stoyanova, Vladimir Lyutov, and Vladimir M. Mirsky. "Electroanalytical applications of nanocomposites from conducting polymers and metallic nanoparticles prepared by layer-by-layer deposition." Pure and Applied Chemistry 83, no. 2 (2010): 345–58. http://dx.doi.org/10.1351/pac-con-10-08-01.

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Layer-by-layer (LbL) deposition is a convenient technique for the formation of ultra-thin nanocomposite layers containing metallic nanoparticles (NPs) and conducting polymers (CPs). The advantages of this approach for producing composite layers suitable for electroanalytical applications are discussed. Examples of electroanalytical applications of LbL-deposited composites are presented. Composite layers consisting of polyaniline (PANI) and Pd NPs are used for hydrazine oxidation. The PANI–Au NPs system is applied for dopamine (DA) and uric acid (UA) oxidation.

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5

Chen, Zejun, Guangming Lu, Dayu Zhou, Guangjie Huang, and Yu Cao. "Effects of the Number of Layers and Thickness Ratio on the Impact Fracture Behavior of AA6061/AA7075 Laminated Metal Composites." Crystals 14, no. 1 (2023): 44. http://dx.doi.org/10.3390/cryst14010044.

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The initial thickness ratio and number of layers of dissimilar metal components greatly influence the impact performance of laminated metal composites. In this paper, positive and lateral impact tests of 5-layer composite sheets with thickness ratios of 3:1, 1.35:1, and 1:2 and 80-layer composite sheets prepared by ARB (accumulative roll bonding) were conducted to study the influences of the thickness ratio and layer number on the impact fracture behavior of composite sheets. The results showed that the higher the proportion of AA7075, the higher the bending strength of the AA6061/AA7075 lamin

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Sujon, Abu Shaid, Tahamir Hasan Supto, Fahim Shariar, Md Mushfiqur Rahman Pallab, Mohammad Zoynal Abedin, and Mohammad Ahsan Habib. "Fabrication and Experimental Investigation on Tensile and Flexural Properties for Different Stacking Sequence of Jute and Carbon Fiber Reinforced Epoxy Composite." Key Engineering Materials 858 (August 2020): 72–77. http://dx.doi.org/10.4028/www.scientific.net/kem.858.72.

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The consequence of placing a different layer of jute and carbon fiber in different position inside the composite has been experimentally investigated. Six layers of woven unidirectional jute fiber and four-layer of carbon fiber has been used with five different stacking sequences in this study. Vacuum Assisted Resin Infusion (VARI) technology has been used for the manufacturing of the composite. After analyzing the results of the tensile and flexural test of the composites, it shows that the stacking sequence has a significant effect on those properties of the composites. Tensile strength of t

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7

Bouchikhi, Ahmed, Abderrahmane Bakkali, and Mustapha Ouardouz. "Prediction of the macroscopic behavior of multi-layered elastic composites." MATEC Web of Conferences 360 (2022): 00011. http://dx.doi.org/10.1051/matecconf/202236000011.

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In this work, elastic fiber reinforced composite materials consisting of several layers are considered. Each layer is assumed to be a unidirectional fiber reinforced composite. The interface between layers is assumed to be perfect, which means the displacement and the traction through interfaces are continuous. To predict the overall behavior of the considered composite a two step homogenization procedure is considered. In the first step, effective properties of fiber reinforced layers are predicted based on the Mori-Tanaka micromechanical model and in the second one, a general matrix method i

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8

Santo, Loredana, Fabrizio Quadrini, and Denise Bellisario. "Multilayered Composite Plates with Shape Memory Properties." Key Engineering Materials 699 (July 2016): 1–7. http://dx.doi.org/10.4028/www.scientific.net/kem.699.1.

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In this study, multilayered composite plates with shape memory properties were produced: carbon fibers prepreg are alternated with layers of shape memory epoxy powder obtaining composite with different number of layers. The differences in the load exerted during shape recovery, and percentage and time of recovery of the composites as a function of layers number have been evaluated. In particular, the actuation load and the shape recovery percentage were measured after a V-shape memorizing step of the composites. The experimental results are very promising, showing that such multilayers can suc

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9

Zeleniuc, Octavia, Mohammad Hassan Mazaherifar, Camelia Coșereanu, and Andrei Suciu. "Date-Palm-Based Sustainable Hybrid Composite with Cotton and Kevlar Fibre Participation." Applied Sciences 14, no. 3 (2024): 1008. http://dx.doi.org/10.3390/app14031008.

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This research aims to evaluate the physical and mechanical performance of three types of hybrid composites made of date palm (Phoenix dactylifera L.) (DP), additional layers of cotton (DP/C) and Kevlar fibres (DP/K). The fibres were formed into flat sheets and employed as reinforcement layers embedded in a polyester matrix. Three-layer and five-layer hybrid composites were created using the hand layup method. The layers have alternative longitudinal–transversal orientation. The composites were investigated for density, thickness swelling (TS), water absorption (WA), flexural strength and modul

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10

Yao, Yue Fei, Shan Li, and Ya Qin Fu. "Sound Insulation Provided by PET Fabric/PVC Composite Materials." Advanced Materials Research 450-451 (January 2012): 387–91. http://dx.doi.org/10.4028/www.scientific.net/amr.450-451.387.

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Single layer PET Fabric/polyvinyl chloride (PVC) composite materials and double layers PET fabric/polyvinyl chloride (PVC) composite materials with super thin thickness, lightweight, flexible and high strength were manufactured by means of the infusion technology under normal pressure. The sound insulation performance of these novel materials was evaluated with a two-channel acoustic analyzer. The structure and mechanical properties were investigated by mechanical tests and SEM observation. The results show that for the small surface density the double layers composite has better sound insulat

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11

Chen, Jieng-Chiang, and Yi-Fang Zhuang. "Tension and compression of sandwich composites with weft-knit fabric cores." Modern Physics Letters B 34, no. 07n09 (2020): 2040004. http://dx.doi.org/10.1142/s0217984920400047.

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The manufacturing techniques of sandwich composites containing core layers of weft-knit glass fabric (WG) and weft-knit carbon fabric (WC) with carbon fabric skin layers are discussed herein. The core layers of the sandwich composites were fabricated with WG-reinforced epoxy (E) resin, WC-reinforced epoxy resin, and polyurethane foam (F). The core layer was then stacked with two pieces of carbon fabric on the top and bottom surfaces to fabricate the sandwich composites. Three sandwich composites [plain carbon fabric sandwich composite with a WG core layer (C/E/WG), plain carbon fabric sandwich

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12

Chiracu, Ioana Gabriela, George Ghiocel Ojoc, George Cătălin Cristea, et al. "Behavior of Composites Made of Quadriaxial Glass Fiber Fabrics and Epoxy Resin under Three-Point Bending." Polymers 16, no. 13 (2024): 1925. http://dx.doi.org/10.3390/polym16131925.

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This paper presents experimental results from three-point bending tests for a composite made of quadriaxial glass fiber fabrics and an epoxy resin. Two composites were tested, one with 8 layers and the other with 16 layers; both had the same matrix (the epoxy resin). Tests were carried out, using five different test rates from 10 mm/min to 1000 mm/min. The following parameters were recorded and calculated: Young’s modulus, flexural stress, flexural strain, energy, force, and all four for the first peak. The experimental data reveal no sensitivity for these materials based on the test rates, at

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13

Do, Jeong Hyeon, Chang Woo Jeon, Duk Hyun Nam, Choong Nyun Paul Kim, Young Bum Song, and Sung Hak Lee. "Ballistic Performance of Zr-Based Bulk Metallic Glass/Ti Surface Composites Fabricated by High-Energy Electron-Beam Irradiation." Materials Science Forum 654-656 (June 2010): 2700–2703. http://dx.doi.org/10.4028/www.scientific.net/msf.654-656.2700.

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This study aimed at investigating the ballistic performance of Zr-based bulk metallic glass/Ti surface composites fabricated by high-energy electron-beam irradiation. The ballistic impact test was conducted on surface composite plates to evaluate the ballistic performance. Since the surface composite layers were observed to block effectively a fast traveling projectile, while many cracks were formed in the composite layers, the surface composite plates were not perforated. The surface composite layer containing ductile β dendritic phases showed the better ballistic performance than the one wit

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14

Bieniaś, Jarosław, Patryk Jakubczak, Magda Droździel, and Barbara Surowska. "Interlaminar Shear Strength and Failure Analysis of Aluminium-Carbon Laminates with a Glass Fiber Interlayer after Moisture Absorption." Materials 13, no. 13 (2020): 2999. http://dx.doi.org/10.3390/ma13132999.

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This article presents selected aspects of an interlaminar shear strength and failure analysis of hybrid fiber metal laminates (FMLs) consisting of alternating layers of a 2024-T3 aluminium alloy and carbon fiber reinforced polymer. Particular attention is paid to the properties of the hybrid FMLs with an additional interlayer of glass composite at the metal-composite interface. The influence of hygrothermal conditioning, the interlaminar shear strength (short beam shear test), and the failure mode were investigated and discussed. It was found that fiber metal laminates can be classified as a m

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15

Larsen, M., R. G. Rowe, and D. W. Skelly. "High-Temperature Instability of A Cr2Nb-Nb(Cr) Microlaminate Composite." Proceedings, annual meeting, Electron Microscopy Society of America 54 (August 11, 1996): 374–75. http://dx.doi.org/10.1017/s0424820100164337.

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Microlaminate composites consisting of alternating layers of a high temperature intermetallic compound for elevated temperature strength and a ductile refractory metal for toughening may have uses in aircraft engine turbines. Microstructural stability at elevated temperatures is a crucial requirement for these composites. A microlaminate composite consisting of alternating layers of Cr2Nb and Nb(Cr) was produced by vapor phase deposition. The stability of the layers at elevated temperatures was investigated by cross-sectional TEM.The as-deposited composite consists of layers of a Nb(Cr) solid

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16

Gumenyuk, Aleksandr Nikolaevich, Irina Sergeevna Polyanskikh, Igor Aleksandrovich Pudov, Philip Evgenyevich Shevchenko, Natalia Vilorievna Kuzmina, and Grigory Ivanovich Yakovlev. "Directed Regulation and Localization of Electrical Properties for Composite Construction Materials." Solid State Phenomena 325 (October 11, 2021): 119–24. http://dx.doi.org/10.4028/www.scientific.net/ssp.325.119.

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Research results of modified composites which consist of isolated layers with different properties and their practical usages are represented in this article. A structure of the composite material is considered. The structure is combined of few layers; external layers are made of corrosive resistance material with dielectric behavior while the internal part of the composite is made of electrically conductive material with high conductive and mechanical properties. Conductive properties of each layer have been measured as well as their mechanical properties and structure. Also, the features of

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17

Rusinov, Peter, Chao Zhang, Polina Sereda, Anastasia Rusinova, George Kurapov, and Maxim Semadeni. "Development and Research of New Hybrid Composites with Increased Requirements for Heat and Wear Resistance." Ceramics 8, no. 1 (2025): 8. https://doi.org/10.3390/ceramics8010008.

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Hybrid layered reinforced materials are able to increase the reliability, durability, and expand the functionality of high-temperature components in supercritical and ultra-supercritical power plants and in oil, gas, and petrochemical equipment operating under conditions with multifactorial influences (temperature, force, deformation). As a result of this research, surface reinforced ceramic composite materials with a gradient distribution of properties have been developed. These materials include thermal barrier layers (Gd2O3-Yb2O3-Y2O3-ZrO2) and Ni-based layers reinforced with ceramic carbid

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18

Tamlicha, Akram, Samsul Rizal, Iskandar Hasanuddin, M. M. Noor, Ikramullah Ikramullah, and Nazaruddin Nazaruddin. "The Effect of Number of Laminate Layers on the Ramie E-Glass Fiber Hybrid Composite for <i>Jaloe kayoh</i> Material." Materials Science Forum 1149 (May 16, 2025): 47–54. https://doi.org/10.4028/p-d718kw.

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The objective of this research is to investigate how the quantity of laminate layers impacts the Ramie-Eglass fiber hybrid composite utilized in the JaloeKayoh material, specifically concerning mechanical properties such as tensile strength and flexural properties. In this research, the authors conducted tensile and flexural testing on composites with varying quantities of laminate layers. The research findings indicate that incorporating a laminate layer into the hybrid composite positively affects its mechanical properties. The composites with 5 laminate layers had the maximum tensile streng

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19

Hayta, Neslihan, and Gaye Kaya. "Flexural response of sandwich composites integrated with 3D multi-layer stitched core." Journal of Sandwich Structures & Materials 24, no. 4 (2022): 1847–62. http://dx.doi.org/10.1177/10996362221101330.

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This experimental study investigates the flexural response of sandwich composites integrated with 3D multi-layer stitched core. Polypropylene 3D multi-layer woven fabric impregnated with an epoxy resin was selected as the core, while E-glass fiber reinforced epoxy was used for the sandwich composite face sheets. The sandwich composite exhibited a ductile behavior when loaded in three-point bending as the core layers increased. This is due to the drop in core shear strength with the increased number of core layers. The core layers that were not directly connected with the face sheets deformed m

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20

Fayzulla, Bayan Jabbar, Mehmet Eroglu, and Ahmet Erkliğ. "Effect of polyurethane matrix and steel fiber in combination with glass fiber or basalt fiber on the properties of hybrid composite laminates." Materials Testing 65, no. 10 (2023): 1587–98. http://dx.doi.org/10.1515/mt-2023-0026.

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Abstract Polyurethane is a versatile polymer with a high degree of toughness and ductility used in a wide variety of applications. In this study, two-part thermoset polyurethane was used as a matrix material to prepare hybrid and non-hybrid composites. Hybrid laminates were prepared by combining either glass fiber or basalt fibers with steel fibers. The mechanical properties of prepared composite specimens were characterized and scanning electron microscope (SEM) observation was performed around the fracture region of the tested specimens. The results revealed a significant increment in tensil

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21

Hirao, T., Kiyoshi Hirao, and Yukihiko Yamauchi. "Tribological Properties and Thermal Conductivity of Si₃ N₄ / Si₃N₄-BN Alternate Layered Composites." Key Engineering Materials 317-318 (August 2006): 363–68. http://dx.doi.org/10.4028/www.scientific.net/kem.317-318.363.

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Alternate layered composites of Si3N4 layers and layers of Si3N4 with 20 vol% of hBN (Si3N4-BN layers) were fabricated and their tribological properties and thermal conductivities were evaluated. The layered composites were fabricated by alternate stacking of a monolithic Si3N4 layer and a Si3N4-BN layer in the form of a green sheet, followed by hot-pressing or annealing. For comparison, Si3N4 and Si3N4 with 10% hBN were fabricated by hot-pressing powder mixtures. Tribological properties were evaluated on the side plane of the composites by a block-on-ring test method under a dry sliding condi

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22

Park, Shin Young, Simyub Yook, Sooim Goo, Wanhee Im, and Hye Jung Youn. "Preparation of Transparent and Thick CNF/Epoxy Composites by Controlling the Properties of Cellulose Nanofibrils." Nanomaterials 10, no. 4 (2020): 625. http://dx.doi.org/10.3390/nano10040625.

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Cellulose nanofibrils (CNFs) have been used as reinforcing elements in optically transparent composites by combination with polymer matrices. In this study, strong, optically transparent, and thick CNF/epoxy composites were prepared by immersing two or four layers of CNF sheets in epoxy resin. The morphology of the CNF, the preparation conditions of the CNF sheet, and the grammage and layer numbers of the CNF sheets were controlled. The solvent-exchanged CNF sheets resulted in the production of a composite with high transparency and low haze. The CNF with smaller width and less aggregated fibr

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23

Alhazmi, Waleed, Yosef Jazaa, Sultan Althahban, et al. "Mechanical and Tribological Behavior of Functionally Graded Unidirectional Glass Fiber-Reinforced Epoxy Composites." Polymers 14, no. 10 (2022): 2057. http://dx.doi.org/10.3390/polym14102057.

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This paper aims to assess experimentally the mechanical and tribological behavior of conventional and functionally graded (FG) polymeric matrix composites reinforced with continuous glass fibers. The small punch test (SPT) and a pin-on-disc device were used in the present work to examine the mechanical and wear behavior, respectively. The hand lay-up technique was used in the present investigation to manufacture the conventional and FG composites. Various wooden looms with different nailed spacing were employed to manufacture the FG composites. According to test type, the FG composite is compo

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24

Asif, Mahir, Kazi Adnan Rahman, Mohammad Omar Faisal, and Md Shariful Islam. "Comparative Study on Mechanical Properties of Bamboo Strip and Bamboo Strip-glass Fiber Reinforced Hybrid Composites." Journal of Engineering Advancements 01, no. 01 (2020): 06–10. http://dx.doi.org/10.38032/jea.2020.01.002.

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In this paper, mechanical properties of bamboo strip and bamboo strip-glass fiber reinforced hybrid composite were investigated. Composites were manufactured by using hand lay-up technique and bamboo strips were made from locally available bamboo. Four layers of bamboo strip composite were manufactured and in case of hybrid composite, two layers of glass fiber one at the top and the other at the bottom were used with the aim was to observe the effect of adding glass fiber layer on the mechanical properties of bamboo strip composite. Tensile and flexural properties were studied and it was found

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25

Wang, Qian, Peng Cheng Xie, Wei Min Yang, and Yu Mei Ding. "A New Preparation Method of Barrier Material Based on Micro-Nano Lamination Technology." Key Engineering Materials 501 (January 2012): 104–7. http://dx.doi.org/10.4028/www.scientific.net/kem.501.104.

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The new micro-nano lamination technology is developed to produce composite materials with alternating layers structure. After polymer melt enter into the unit passing the process of stream-reverse-superimposed, it produces functional composites with dozens or even thousands of alternating layers, it obtains barrier performance that general multi-layer co-extrusion can not compare with. Equipment cost is low and production process is simple in the barrier composite material production process.

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26

Malzbender, J., and R. W. Steinbrech. "Mechanical methods to determine layer compliances within multilayered composites." Journal of Materials Research 18, no. 6 (2003): 1374–82. http://dx.doi.org/10.1557/jmr.2003.0189.

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A comparison of bending and compressive/tensile loading cases of multilayered composites is given. Bending perpendicular to the layer interfaces is suggested as a sensitive and experimentally convenient method for determining the elastic modulus of compliant isotropic layers within a multilayered composite. Different approaches to analyze the strain and compliance behavior of the composite and individual layers are derived. Ranking of the relevant equations with respect to strain sensitivity is made, which favors the bending test perpendicular to the layer interfaces. The derived relationships

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27

Bueno, S., and Carmen Baudín. "Fracture Mechanisms in Laminates in the Alumina - Titania System." Key Engineering Materials 290 (July 2005): 208–13. http://dx.doi.org/10.4028/www.scientific.net/kem.290.208.

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Alumina (Al2O3)-aluminium titanate (Al2TiO5) composites present higher toughness than alumina materials but rather low strength due to microcracking. Laminates in which a flaw tolerant material is located between high strength layers is one way to overcome this problem. In this work, the fracture behaviour of a laminated structure constituted by five layers, where low residual stresses are expected, is studied. In this system, external and central layers of monophase alumina with high strength were combined with intermediate layers of alumina with 10vol.% of aluminium titanate. In the monophas

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28

Sinar, A. A., Dzainal Nurfarahain, Z. Firuz, and M. A. Nur Azni. "Aluminium/Floral Foam Laminated Composites under Flexural and Compression Test." Advanced Materials Research 925 (April 2014): 205–9. http://dx.doi.org/10.4028/www.scientific.net/amr.925.205.

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This study is concerned on evaluation of laminated composites of aluminium (Al) sheet and floral foam (FF) under flexural and compression test. Effect of different layers of Al/FF laminated composites was evaluated. Epoxy and hardener was used as the adhesive to bind the surface between the Al sheet and FF. The information on the functional group that exists in FF during the formation of the foam was verified by Fourier Transform Infrared Spectroscopy (FTIR) analysis. From flexural and compression test, the mechanical properties decreased with the increasing number of layers of Al/FF laminated

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Yan, Zizhi, Gaoyong Xu, and Jinping Suo. "Effect of Transition Layer on Properties of Tungsten-Tantalum (W-Ta) Laminated Composite." Metals 10, no. 5 (2020): 558. http://dx.doi.org/10.3390/met10050558.

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Tungsten has many attractive properties, but its brittleness limits its application. Our team has found that the brittleness of tungsten can be greatly improved by combining the brittle tungsten with tantalum. Furthermore, we found that if a suitable transition layer is added between tungsten and tantalum, the properties of the composite will be further improved. In this paper, we studied the effect of different transition layers on the properties of W-Ta laminated composite to explore a suitable transition layer, which can effectively improve the toughness of the composite and solve the probl

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Rusinov, Peter, Zhesfina Blednova, Anastasia Rusinova, George Kurapov, and Maxim Semadeni. "Development and Research of New Hybrid Composites in Order to Increase Reliability and Durability of Structural Elements." Metals 13, no. 7 (2023): 1177. http://dx.doi.org/10.3390/met13071177.

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Hybrid composite materials can successfully solve the problems of reliability, durability, and extended functionality of products, components, and details, which operate under conditions of multifactorial influences (temperature, force, and deformation). The authors have developed a hybrid composite high-entropy AlCoCrCuFeNi material and ceramic cBNCoMo(B4CCoMo) layer. The formation of hybrid composites was carried out using new technology. This technology includes high-energy machining, high-velocity oxygen-fuel spraying in a protective environment, high-temperature thermomechanical treatment

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Watanabe, Jun, Kenji Hatsuzawa, Shigeyuki Ogata, Shinichi Yoshida, and Ikuo Shohji. "Erosion Resistance Properties of Iron–Carbon Composite Plating to Molten Lead-Free Solder." Applied Sciences 9, no. 13 (2019): 2724. http://dx.doi.org/10.3390/app9132724.

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The use of Sn-3mass%Ag-0.5mass%Cu lead-free solder (SAC305) has become common. Since SAC305 has a higher content of tin than conventional tin–lead eutectic solder, erosion of the Fe plating layer used in the solder iron tip and the point soldering machine nozzle frequently occurs. In this study, to prolong the life of the Fe plating layer, the applicability of composite plating in which a carbon-type filler is compounded with Fe was studied. Graphite and a multi-walled carbon nanotube (MWCNT) were used as filler materials in the composite plating layer. For both Fe-graphite and Fe-MWCNT compos

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32

Dehonor Márquez, Ethnice, Enrique Vigueras Santiago, Susana Hernández López, and Alejandro Ramirez Jimenez. "Sensing parameters as a function of the chemical structure and thickness of two poly(styrene)-type based composites with carbon black." Superficies y Vacío 31, no. 1 (2018): 10–15. http://dx.doi.org/10.47566/2018_syv31_1-010010.

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Sensing parameters of polymer composite layers were studied as a function of the polymer matrix structure and the initial resistance of the composite layers. Composites of Poly(styrene) and 4-Chloro-poly(styrene) at the same volume fraction of carbon black (8.7% V/V) were prepared by ultrasonic dispersion. Composite layers with different thicknesses and resistances were deposited by spin coating technique on flexible substrates from commercial cellulose acetate foils. Both kind of composite layers with initial resistances of 10, 50 and 100 k? were exposed to Acetone, Tetrahydrofuran, Chlorofor

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33

Çinçik, Emel, and Eda Aslan. "Assessing the Sound and Heat Insulation Characteristics of Layered Nonwoven Composite Structures Composed of Meltblown and Recycled Thermo-Bonded Layers." Polymers 16, no. 10 (2024): 1391. http://dx.doi.org/10.3390/polym16101391.

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Sound and heat insulation are among the most important concerns in modern life and nonwoven composite structures are highly effective in noise reduction and heat insulation. In this study, three layered nonwoven composite structures composed of a recycled polyester (r-Pet)-based thermo-bonded nonwoven outer layer and meltblown nonwovens from Polypropylene (PP) and Polybutylene terephthalate (PBT) as inner layers were formed to provide heat and sound insulation. Fiber fineness and cross-section of the thermo-bonded outer layer, fiber type (PP/PBT), areal weight (100/200 g/m2) and process condit

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Yamilinets, S. Y., I. V. Gubanova, M. D. Kozlova, and A. P. Kondratov. "Capillary effect of layers of rubber-fabric composite." Proceedings of the Voronezh State University of Engineering Technologies 85, no. 1 (2023): 233–39. http://dx.doi.org/10.20914/2310-1202-2023-1-233-239.

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Rubber-fabric composites are a representative of a class of anisotropic reinforced composite laminates designed for operation in contact with a liquid medium. Each layer of the composite performs a specific function in the operation of printing machines. The rubber layer is located on the surface of the material and is impervious to hydrophilic liquids, but can swell to a limited extent in organic solvents. Layers of fabrics provide structural integrity and tension of the layered composite material and are protected from the penetration of the liquid medium by layers of rubber in a plane perpe

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Janó, Viktória. "Ceramic Reinforced Metal Matrix Nano and Micro-Composite Layers Produced by Combined Laser Melt Injection Technology and Thermochemical Surface Treatment." Materials Science Forum 812 (February 2015): 77–82. http://dx.doi.org/10.4028/www.scientific.net/msf.812.77.

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In-situ synthesized Nb (C,N) reinforced metal-ceramic composite layers were fabricated on nitridable (16MnCr5) and non-nitridable (S235J) steel surface by combined laser melt injection technology and ferritic nitrocarburizing treatment. The feasibility of processing composites layer by an in situ reaction using laser beam were carried out. Beside that the hardness of the treated layers increases up to 1000-1170 HV0.5 in the diffusion zone and after it the hardness of the samples reach 300-450 HV0.5, which is related the Nb alloying depth (1200-1400 μm). The results of the composite layer are p

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Borysiuk, Piotr, Izabela Burawska-Kupniewska, Radosław Auriga, Grzegorz Kowaluk, Paweł Kozakiewicz, and Marcin Zbiec. "Influence of layered structure of composite timber floor boards on their hardness." Drvna industrija 70, no. 4 (2019): 399–406. http://dx.doi.org/10.5552/drvind.2019.1856.

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The possibility of using composite elements of flooring pine veneers with knotholes for the production of supporting layers has been determined. This assessment was made on the basis of the Brinell hardness measurement of the face layer of five-layer composites with empty spots in their structure imitating knotholes of various diameters (10, 20 and 50 mm). The dependencies obtained from empirical determinations were supported by numerical analysis. It was found that it is possible to use veneers with defects (empty spots) with a diameter of up to 20 mm to produce composites of three and more l

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Sahoo, Soumya Ranjan. "Active damping of geometrically nonlinear vibrations of smart composite shells using elliptical smart constrained layer damping treatment with fractional derivative viscoelastic layer." Journal of Intelligent Material Systems and Structures 31, no. 4 (2019): 587–611. http://dx.doi.org/10.1177/1045389x19888800.

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In this article, the performance of elliptical smart constrained layer damping treatments on active damping of geometrically nonlinear vibrations of doubly curved smart laminated composite shells is analyzed. The constraining layers of the smart constrained layer damping treatments comprised vertically/obliquely reinforced 1–3 piezoelectric composites, while the constrained layers of isotropic viscoelastic materials are modeled using the three-dimensional fractional order derivative model. A mesh-free model of the smart composite shells is developed for analyzing their nonlinear transient resp

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Paundra, Fajar, Danang Istanto, Eko Pujiyulianto, Abdul Muhyi, and Sri Hastuti. "Effect of Layers on Delamination and Tensile Strength of Woven Fiber Composites with Polyester Matrix." Jurnal Teknik Mesin 21, no. 1 (2024): 11–20. http://dx.doi.org/10.9744/jtm.21.1.11-20.

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A composite is a combination of 2 or more different materials. The composite joining process can use adhesives or mechanically by making holes. During the process of making holes in the composite, it can cause delamination in the composite. Delamination and layer thickness greatly influence the strength of hollow composite joints. This research aims to determine the effect of delamination factors and the number of layers on the tensile strength value of the composite. The materials used in this research are polyester resin and woven glass fiber. The method used is vacuum bagging with variation

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Djafar, Zulkifli, and Taufiqqurrahman Zulkifli. "Petung Bamboo (Dendrocalamus Asper) Woven Strip Composite: Effect of Immersion Time in Household Wastewater on Tensile Strength." Materials Science Forum 1145 (March 13, 2025): 41–47. https://doi.org/10.4028/p-7ukpaw.

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Bamboo has become a raw material for products such as furniture, wickerwork, carvings, household furnishings, musical instruments and construction. The aim of this research is to find out how much tensile strength Petung bamboo has after being soaked using 100% household waste water. To calculate the tensile strength of petung bamboo material, the research method is based on the ASTM D 638-02 type 1 testing standard. Petung bamboo from Tana Toraja district, South Sulawesi province, Indonesia is the material used. The petung bamboo is cut into pieces and then woven with a plain-woven pattern (o

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Anwajler, Beata, Sara Zielińska, and Anna Witek-Krowiak. "Innovative Cellular Insulation Barrier on the Basis of Voronoi Tessellation—Influence of Internal Structure Optimization on Thermal Performance." Materials 17, no. 7 (2024): 1578. http://dx.doi.org/10.3390/ma17071578.

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The optimization of structure and thermal properties in 3D-printed insulation materials remains an underexplored area in the literature. This study aims to address this gap by investigating the impact of 3D printing on the thermal properties of manufactured cellular composites. The materials studied were closed-cell foams with a complex cell structure based on the Voronoi cell model, manufactured using incremental technology (3D printing). The influence of the cellular structure of the composite, the type of material used, and the number of layers in the composite structure on its thermal prop

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Liu, Xiaoyan, Jiacheng Wu, Jiaojiao Xi, and Zhiqiang Yu. "Bonded Repair Optimization of Cracked Aluminum Alloy Plate by Microwave Cured Carbon-Aramid Fiber/Epoxy Sandwich Composite Patch." Materials 12, no. 10 (2019): 1655. http://dx.doi.org/10.3390/ma12101655.

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Fiber-reinforced epoxy sandwich composites, which were designed as the bonded repair patches to better recover the mechanical performance of a central cracked aluminum alloy plate, were layered by carbon and aramid fiber layers jointly and cured by microwave method in this study. The static tensile and bending properties of both carbon-aramid fiber/epoxy sandwich composite patches and the cracked aluminum alloy plates after bonded repair were systematically investigated. By comparing the mechanical performance with traditional single carbon-fiber-reinforced composite patches, it can be found t

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Mazurek, A., G. Cieślak, W. Bartoszek, and M. Trzaska. "Abrasion resistance of Ni-B/Si3N4 composite layers produced by electroless method." Archives of Materials Science and Engineering 1, no. 87 (2017): 21–26. http://dx.doi.org/10.5604/01.3001.0010.5967.

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Purpose: The paper presents the results of investigations of Ni-B/Si3N4 composite layers produced on steel substrate by electroless method. Design/methodology/approach: Amorphous silicon nitride powder (Si3N4) with nanometric particle sizes was used as a dispersion phase for the production of composite layers. Ni-B/Si3N4 composite layers were produced in baths of varying Si3N4 powder content. For comparative purposes, the study also includes results related to a Ni-B layer. The Si3N4 powder and the structure of the produced layers were characterized. The topography and morphology of the surfac

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Yakubovskiy, Yu E., V. I. Kolosov, A. G. Kuzyaev, and S. O. Kruglov. "Calculation and manufacture of multilayer composite structures." E3S Web of Conferences 474 (2024): 01066. http://dx.doi.org/10.1051/e3sconf/202447401066.

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A brief overview of the work done to solve the problems of bending of composite plates and shells is presented. A mathematical model has been developed that takes into account the physically nonlinear properties of the layer’s material. The seams between the layers have finite longitudinal stiffness. Seams can be continuous or discrete (anchors). The proposed mathematical model makes it possible to take into account the creep properties of the aging material. The reliability of calculations is substantiated by comparison with experimental data and known calculations. Taking into account the te

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Larsen, M., R. G. Rowe, and D. W. Skelly. "Microstructural characterization of a Cr2Nb-Nb(Cr) microlaminate composite." Proceedings, annual meeting, Electron Microscopy Society of America 52 (1994): 706–7. http://dx.doi.org/10.1017/s0424820100171262.

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The thrust to weight ratio of an aircraft engine is limited by the density and elevated temperature performance of high temperature structural materials. Many material systems are currently under investigation as potential next generation engine materials. Microlaminate composites consisting of alternating layers of a ductile refractory metal for toughening and a high temperature intermetallic compound for elevated temperature strength have applicability in aircraft engine turbines. The lamellar thickness of such a composite must be small because the intrinsic defect size, a crack across the i

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Ramesh, V., and P. Anand. "Thermal analysis of Kevlar/basalt reinforced hybrid polymer composite." Materials Research Express 8, no. 11 (2021): 115302. http://dx.doi.org/10.1088/2053-1591/ac3aa6.

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Abstract Use of lightweight composite materials in automobile applications such as doors, bonnets, and bumpers and also the utilization of composite materials in building insulations require superior mechanical and thermal properties. This study attempts to determine the thermal conductivity, linear thermal expansion coefficient, heat deflection temperature and thermo gravimetric analysis of hybrid composite containing reinforcement fibers stacked in seven different combinations in an epoxy matrix as per ASTM standards. Each composite contained two different fibre materials, i.e., Kevlar and b

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Wahyuni, Sri, Eko Sri Kunarti, Respati Tri Swasono, and Indriana Kartini. "Characterization and Photocatalytic Activity of TiO₂(rod)-SiO₂-Polyaniline Nanocomposite." Indonesian Journal of Chemistry 18, no. 2 (2018): 321. http://dx.doi.org/10.22146/ijc.22550.

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A study of TiO2(rod)-SiO2 composites coated with polyaniline (PANI) has been performed. PANI was synthesized through in-situ polymerization of aniline at various concentration (0.0137, 0.0274, and 0.0411 M) on the composite under acidic condition. PANI was confirmed by the appearance of C=N, C=C vibrations and the redshift of the band-gap from 3.14 eV for the TiO2(rod)-SiO2 into 3.0 eV for the TSP01 composite. It is also shown that the polymerization does not change the crystal structure of TiO2(rod)-SiO2 as confirmed by the XRD pattern. The TEM image shows a mixed structure of SiO2 coated by

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Gurulev, D. N., L. V. Palatkina, and I. L. Gonik. "On Deformation Powers of the Explosion Welded and Rolled Titanium-Aluminium Composite." Solid State Phenomena 265 (September 2017): 702–5. http://dx.doi.org/10.4028/www.scientific.net/ssp.265.702.

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Received by explosion welding titanium-aluminum billet can be subjected to various operations of metals processing by pressure, which results in change of metals mechanical properties and the arrangement of the layers. The work investigated the influence of temperature on the deformation ability of titanium-aluminum layer composites by rolling. It is revealed that the deformation capacity of the layered titanium-aluminum composite is determined by the plastic properties of aluminum layers at the temperature of rolling. At 450 °C a sharp increase in strain capacity of titanium-aluminum composit

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Guinovart-Sanjuán, David, Raffaella Rizzoni, Reinaldo Rodríguez-Ramos, et al. "Assessment of models and methods for pressurized spherical composites." Mathematics and Mechanics of Solids 23, no. 2 (2016): 136–47. http://dx.doi.org/10.1177/1081286516673233.

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The elastic properties of a spherical heterogeneous structure with isotropic periodic components is analyzed and a methodology is developed using the two-scale asymptotic homogenization method (AHM) and spherical assemblage model (SAM). The effective coefficients are obtained via AHM for two different composites: (a) composite with perfect contact between two layers distributed periodically along the radial axis; and (b) considering a thin elastic interphase between the layers (intermediate layer) distributed periodically along the radial axis under perfect contact. As a result, the derived ov

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Ni, Nan Nan, Yue Fang Wen, De Long He, Miao Cai Guo, and Xiao Su Yi. "Preparation and Characterization of Structural Damping Composites Toughened by Polyamide Nonwoven Fabrics." Materials Science Forum 848 (March 2016): 189–95. http://dx.doi.org/10.4028/www.scientific.net/msf.848.189.

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A new kind of structural damping composites was prepared by interleaving polyamide nonwoven fabrics (PNF) between the carbon fiber reinforced epoxy composite laminates. The damping behaviors of the composites made were experimentally investigated using cantilever beam test and dynamic mechanical analysis. The damping ratios of the nonwoven fabrics interleaved composites were compared with the ones of non-interleaved composites. In addition, the interlaminar shear strength and flexible modulus of the composites were also investigated, as well as the composite compression after impact (CAI), Mod

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Wang, Li Jie, Jun Sheng Yang, and Ya Zhe Xing. "Friction and Wear Properties of Ti-6Al-4V Surface Modified by Nitriding-Mo Plating-Sulfurizing Composite Treatment." Advanced Materials Research 139-141 (October 2010): 439–42. http://dx.doi.org/10.4028/www.scientific.net/amr.139-141.439.

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A composite layer was prepared on the Ti-6Al-4V alloy surface by ion nitriding, magnetron sputtering Mo and ion sulfurizing composite treatment technique. The phase structure, morphology, and cross-sectional element distribution of composite layer were analyzed. Friction and wear properties of composite layer were tested by MM-200 laboratory tester. XRD analysis showed that the composite layer was mainly comprised of Ti, Mo, MoS2, TiN, and transition layer. This composite layer is perfect wear-resistant surface due to existence of self-lubricating MoS2 on hard Mo and TiN layers with good anti-

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