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Статті в журналах з теми "Fiber characteristic"

Автор: Grafiati

Опубліковано: 3 червня 2025

Оновлено: 31 липня 2025

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1

Chiu, Hsuan-Hao, and Wen-Bin Young. "Characteristic study of bamboo fibers in preforming." Journal of Composite Materials 54, no. 25 (2020): 3871–82. http://dx.doi.org/10.1177/0021998320923144.

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The bamboo fiber preforming is an important process in the liquid composite molding for fabricating fiber reinforced composites with non-planar geometric shapes. This study investigated the deformation and spring back behaviors of the single bamboo fiber and bamboo fiber mat under a simple bending preforming test. The effects of the heating temperature and moisture content of bamboo fibers were studied during the tests. The result showed that the [0/90] bamboo fiber mats could be perfectly preformed without spring back after bending under the conditions of a wet and high temperature conditions

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2

Chen, Zhou, Yong Yang, Tengzhou Xu, Junfeng Hu, and Shaoqiang Liu. "Morphologies and characteristic of glass fiber suspensions basing on various beating speeds." Materials Express 9, no. 9 (2019): 1043–48. http://dx.doi.org/10.1166/mex.2019.1609.

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Glass fibers commonly flocculate in suspensions and slurries, which can be largely prevented by a beating process. In this paper, morphologies and characteristics of glass fiber suspensions resulting from various beating speeds are explored. By increasing the speed (ranging from 1500 revolutions to 12000 revolutions), glass fibers can be translated, rotated, bended and broken, which leads the drainage resistances of glass fiber suspensions increase dramatically from 19.5 °SR to 23.5 °SR, then fluctuate and settle close to 22.5 °SR. Decreasing the fiber length leads to reduction in fiber–fiber

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3

C, Darshan, Varun K. S, and Swamy S. R. "Environmental Impact Assessment of Natural Vs Synthetic Fiber Reinforcement in Polymer Composites." International Journal for Research in Applied Science and Engineering Technology 12, no. 11 (2024): 1666–79. http://dx.doi.org/10.22214/ijraset.2024.65423.

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Abstract: This research examines the environmental influences of natural and synthetic fiber reinforcement in polymer composites specifically the aspects of greenhouse gas emissions, energy demands, biodegradability, and mechanical characteristics. Some organic fibers like jute, hemp, and flax are more eco-friendly than synthetic fiber because during the process of growing, they need less energy and they also absorb carbon dioxide. On the other hand, synthetic products such as glass and carbon fibre, which exhibit superior mechanical properties are disadvantageous in this context as they are e

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4

Pukharenko, Yu V., D. A. Panteleev, and M. I. Zhavoronkov. "Influence of fiber type and matrix composition on adhesive strength in fiber reinforced concrete." Russian Automobile and Highway Industry Journal 19, no. 3 (2022): 436–45. http://dx.doi.org/10.26518/2071-7296-2022-19-3-436-445.

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Introduction. The purpose of the article is to determine the influence of the steel fiber profile and the composition of the matrix on their adhesion in dispersed reinforced concrete.Materials and methods. Studies have been carried out using the test methods set out in national standards. To determine the characteristics of the adhesion strength of fibers with a matrix, an original technique developed at SPbGASU was used.Results. The degree of influence of the geometric shape of steel fibers – anchor and wave profile on the adhesion strength characteristic is determined. The adhesion strength

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5

Parasakthibala, Ms G., and Mrs A. S. Monisha. "A Review on Natural Fibers; Its Properties and Application Over Synthetic Fibers." International Journal for Research in Applied Science and Engineering Technology 10, no. 8 (2022): 1894–97. http://dx.doi.org/10.22214/ijraset.2022.46530.

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Abstract: Fibre is a long, thin strand or thread of material made by weaving or knitting threads together. Fibre is a hair like strand of material. A fibre is the smallest visible unit of any textile product. Fibres are flexible and may be spun into yarn and made into fabric. Natural fibres are taken from animals, vegetables or mineral sources. A few examples of widely used natural fibres include animal fibre such as wool and silk vegetables fibres, especially cotton and flax and asbestos, a mineral. Natural fibers are more important part in our human environment. Natural fibers are ecofriendl

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6

Shahidan, Shahiron, Mustaqqim Abdul Rahim, Nik Suharliza Nik Zol, Muhammad Azizi Azizan, and Isham Ismail. "Properties of Steel Fiber Reinforcement Concrete with Different Characteristic of Steel Fiber." Applied Mechanics and Materials 773-774 (July 2015): 28–32. http://dx.doi.org/10.4028/www.scientific.net/amm.773-774.28.

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Currently in concrete technology a lot of materials were introduced to improve the quality and properties of concrete. Additional materials include the use of steel fibers into the concrete mix. With the used of steel fibers, it can enhance the strength of the concrete. In this research, two parameters will be investigated which is the volume friction of the steel fiber and the length of the steel fiber. End-hooked steel fiber with the length of 33 mm and 50 mm and the percentage of steel fiber 0.5 %, 1.0 % and 1.5 % used in this research. The size of the mold used is 100 mm x 100 mm x 100 mm.

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7

Zhang, Hongjie, Zhiqiang Li, Shuo Yang, et al. "Comparison of some key parameters contributing to lignocellulosic fiber deformation behavior by a mathematical model." BioResources 14, no. 2 (2019): 4136–45. http://dx.doi.org/10.15376/biores.14.2.4136-4145.

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Deformation behavior is an important fundamental characteristic of lignocellulosic fibers; it affects the application range of fiber materials and the properties of fiber-based products. For instance, the density of a paper sheet depends on the degree to which the wet fibers are able to conform to the shapes of adjacent fibers during pressing and drying. In this study, a model for revealing the contribution of inherent characteristics of lignocellulosic fiber to its deformation behavior was developed and compared with other general models. The response sensitivities of cross-sectional paramete

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8

Germanovich, O. "THE STUDY OF ORGANOLEPTIC CHARACTERISTICS OF SMOKED SAUSAGES WITH THE USE OF DIFFERENT DIETARY FIBER." Topical issues of processing of meat and milk raw materials, no. 14 (December 14, 2020): 214–20. http://dx.doi.org/10.47612/2220-8755-2019-14-214-220.

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Vegetable fibers from fruits and cereals are increasingly used in the food industry. Dietary fiber has the characteristic of insoluble fiber components that are technologically and nutritionally effective. This paper reflects the use of vegetable fibers in raw smoked sausages, describes possible changes in the properties of the product and assesses the feasibility of using fibers. It was found that wheat fiber in comparison with oat fiber, peach fiber, Apple fiber, orange fiber, carrot fiber, tiger nut fiber – allows you to produce fiber-rich products that taste, smell and texture

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9

Ma, Shun Bin. "Infrared Spectrum Test and Analysis of Regenerated Cellulose Fibers." Advanced Materials Research 671-674 (March 2013): 1954–57. http://dx.doi.org/10.4028/www.scientific.net/amr.671-674.1954.

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In this paper, the infrared spectrum of regenerated fibers have been tested and analyzed, such as Lyocell fiber, Modal fiber, regenerated cellulose fiber and Bamboo pulp fiber. Test results shown that: Lyocell fiber, Modal fiber, Bamboo pulp fiber are similar to viscose fiber in their infrared spectrogram, but the transmittance of characteristic absorption peaks of them are different.

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10

Saleh, Sabah M. "The Effect of Matrix and Fiber Type on Their Fatigue Characteristic in a Composite Material." Tikrit Journal of Engineering Sciences 17, no. 4 (2010): 56–66. http://dx.doi.org/10.25130/tjes.17.4.11.

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The objective of this research is to study the effect of the resin type and fibers in composite material on fatigue behavior by using two types of fibers and resin. The resin types are epoxy and polyester type and the fiber types are uniform carbon fiber (90-0) and particle carbon fiber type . Where The specimen are made for four slates from these materials ,in 30% volume fraction for the uniform carbon fiber (90-0), and 5% for particle carbon fiber. These specimen are cut in proper dimension according to the properties of fatigue testing device. At least These specimens are tested in order to

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11

Quan, Yan Ming, and Lu Hua Sun. "Surface Characteristic and its Mechanism of the Drilled CFRP." Advanced Materials Research 591-593 (November 2012): 333–36. http://dx.doi.org/10.4028/www.scientific.net/amr.591-593.333.

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The drilled surface characteristic of epoxy resin reinforced by multi-directional carbon fibers is investigated based on experiments. With the emphasis on the effect of fiber direction, the mechanism of inhomogeneous surface topography is discussed. Besides, the mechanism of drilling-induced delamination and splitting defects are analyzed, and the drill condition and drilling parameters are also considered. It is indicated that the varied fiber direction is the main cause resulting in the inhomogeneous topography; delamination is easy to occur between two adjacent laminas which have different

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12

Niu, Jing Xia, Dong Mei Fei, Jing Li, Wei Zhao, and Jian Yu Gao. "Spectral Characteristic Analysis on Yb³⁺ Doping Double-Clad Photonic Crystal Fiber." Applied Mechanics and Materials 543-547 (March 2014): 3764–67. http://dx.doi.org/10.4028/www.scientific.net/amm.543-547.3764.

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The photonic crystal fiber was applied in high-power laser gain medium, because of its flexible and optical controllability and special structure, which can overcome the design flaws of common optical fibers effectively. This paper studied the Yb3+ doping double-clad photonic crystal fiber. Through the theoretical analysis and numerical simulation, it optimized the structure design, drew the high doping concentration and double-clad fiber samples, analyzed the absorption and fluorescence spectra of fiber core material, and tested the optical fiber spectrum features, which can improve the perfo

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13

Zhou, Heng, Mengxin Li, Guyue Jin, Mengyu Guo, and Yingjun Jiang. "Combined effects of basalt fiber geometrical characteristics on pavement performance of asphalt mixtures." PLOS ONE 20, no. 1 (2025): e0316173. https://doi.org/10.1371/journal.pone.0316173.

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Fibers have been widely adopted in asphalt mixture to improve its pavement performance. Lignin fiber and polyester fiber are the most popular two choices. Lignin fiber is derived from wood, which is not aligned with the principles of sustainable development. The production process for polyester fiber is more complex and costly, presenting both environmental and economic challenges in engineering applications. In contrast, basalt fiber is cost-effective, exhibit excellent wear resistance and impact toughness, and possess high mechanical strength. It is an ideal choice to improve pavement perfor

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14

Ma, Qin, Jin Zhong Zhu, and Wen Lin Zou. "Design and Production of Pearl Fiber Imitating Silk Shirt Fabric." Advanced Materials Research 332-334 (September 2011): 395–98. http://dx.doi.org/10.4028/www.scientific.net/amr.332-334.395.

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This paper introduces the design of small jacquard plain weave imitating silk shirt fabric aiming at the characteristic of the pearl fiber. Pearl fiber and plush cotton fiber are chosen and blended. It’s weaving process is presented. The producing techniques were researched according to the characteristics of the fibers and yarns. A series of technology measures in process of producing were taken. So the weaving efficiency reaches 92%, and the finished woven fabric is artistic, moisture absorpting, smooth, cool and comfortable. It has a comparatively high strength, perfect elasticity and durab

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15

Dong, Jin Qiu. "Mechanical Properties of Basalt Fiber Reinforced Concrete at Low Cycle Impact." Applied Mechanics and Materials 174-177 (May 2012): 1524–27. http://dx.doi.org/10.4028/www.scientific.net/amm.174-177.1524.

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The mechanical properties and toughening mechanism of basalt fiber reinforced concrete (BFRC) with different fibers proportion ranging from 0 to 2.5 kg/m3 were tested in the experiment. The results show that the basalt fiber has little effect on the compressive strength of BFRC, but it can improve the impact toughness of BFRC significantly. Taking impact toughness as criterion, BFRC with 0.36% basalt fiber would be the best choice. The energy absorption characteristic of BFRC with different fibers dosages increases by 1.4~3.1 times than that of plain concrete when it is ultimately destroyed. B

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16

Akindoyo, John O., Mohammad Dalour Hossen Beg, Suriati Ghazali, and Muhammad Remanul Islam. "The effects of wettability, shear strength, and Weibull characteristics of fiber-reinforced poly(lactic acid) composites." Journal of Polymer Engineering 36, no. 5 (2016): 489–97. http://dx.doi.org/10.1515/polyeng-2015-0215.

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Abstract The wettability, interfacial shear strength (IFSS), and Weibull characteristics of oil palm empty fruit bunch (EFB) fibers were studied to evaluate the mechanical properties of EFB- and poly(lactic acid) (PLA)-based composites. The fiber surface was modified through ultrasound and poly(dimethyl siloxane) treatment. The effects of treatment on the morphology, wettability, and structure of fibers were examined by scanning electron microscopy, contact angle, and Fourier transform infrared spectroscopy analysis, respectively. In addition, the Weibull characteristic was used to find the va

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17

Bhatia, Ajay, and Vikrant Sharma. "Elements of a Fiber Optic Communication System." Journal of Optical Communication Electronics 8, no. 2 (2022): 19–25. http://dx.doi.org/10.46610/jooce.2022.v08i02.004.

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Fiber optic connection is the best option for data transmission at gigabit and above rates. Voice, video, telemetry, and data are all transmitted using this method of communication over great distances and over computer networks or local area networks. By converting electronic signals into light, a fibre optic communication system uses light-wave technology to transfer data via fiber. Large bandwidth, smaller diameter, lightweight, long-distance signal transmission, low attenuation, transmission security, and other outstanding characteristics of this type of communication system make it a key

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18

Su, Jun, Jian Ping Liu, and Ming Chen. "Experimental Study on Flexural Toughness Characteristic of Polyvinyl Alcohol (PVA) Fiber Reinforced Concrete." Applied Mechanics and Materials 744-746 (March 2015): 1422–26. http://dx.doi.org/10.4028/www.scientific.net/amm.744-746.1422.

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In order to study the flexural toughness of PVA fiber reinforced concrete, employ the volume mixing ratio is 0.2%, 0.1%, 0.08%, polyvinyl alcohol (PVA) will be mixed with ordinary C40 concrete to form PVA fibers reinforced concrete. Its flexural toughness properties were tested and the load-deflection curve of all beams is obtained. Based on the ASTM method, the flexural toughness of PVA fiber reinforced concrete is analyzed. The experimental results indicate that the PVA fiber can improve the flexural toughness and the deformation ability of concrete beams remarkably. When the fiber volume ra

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19

Ding, Chunlin, Chao Wu, Zhewei Meng, and Gang Fang. "Mechanical properties and characteristic analysis of the new concave–convex polypropylene macro fiber." Journal of Engineered Fibers and Fabrics 14 (January 2019): 155892501984301. http://dx.doi.org/10.1177/1558925019843018.

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A computer-controlled electronic universal testing machine was used to test the mechanical properties of polypropylene macro fiber, including tensile strength, breaking elongation, and elastic modulus. The mechanical properties were compared with fibers soaked in an alkali solution and heat treated. The dispersion, corrosion resistance, and toughness of the polypropylene macro fiber in concrete were also analyzed via a fiber concrete test. The polypropylene macro fiber has a high tensile strength, large elastic modulus, and good ductility. The polypropylene macro fiber has heat resistance and

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20

Yan, Zhi-guo, Yao Zhang, J. Woody Ju, Qing Chen, and He-hua Zhu. "An equivalent elastoplastic damage model based on micromechanics for hybrid fiber-reinforced composites under uniaxial tension." International Journal of Damage Mechanics 28, no. 1 (2017): 79–117. http://dx.doi.org/10.1177/1056789517744425.

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A micromechanics-based equivalent elastoplastic damage model for both notch-sensitive and multiple cracking hybrid fiber reinforced composite is proposed in this study. In this model, the elastic modulus, first cracking strength, and ultimate strength are estimated based on micromechanics. To quantify strain after matrix cracks, a novel characteristic length is defined based on the damage mechanics. The effects of the fiber length, diameter and modulus, and interfacial bond stress on the characteristic length of hybrid fiber reinforced composite are presented. In order to avoid the difficulty

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21

Li, Yi Wei, Jian Song, Jia Liang Wei, Yang Bin Zhou, and Guang Li. "Characteristic of Porous Carbon Fiber and its Microwave Absorption as Filler for Composite." Applied Mechanics and Materials 577 (July 2014): 48–52. http://dx.doi.org/10.4028/www.scientific.net/amm.577.48.

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As a specific morphology, the porous carbon fiber was prepared through carbonization of polyacrylonitrile/polymethyl methacrylate (PAN/PMMA) blend fiber with the PAN weight of 70%. The morphology and crystalline structure of the obtained porous carbon fibers were investigated by SEM, XRD, and Raman. The obtained porous carbon fiber produced at carbonization temperature of 1000-1400°C as well as the solid carbon fiber were cut into millimeter size and used as fillers to add to epoxy in order to make composite with the weight of 6%. The complex permittivity of these composites was measured using

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22

Chen, Bin, Quan Yuan, Da Gang Yin, and Jing Hong Fan. "Multiscale Microstructure of Chafer Cuticle." Materials Science Forum 689 (June 2011): 144–48. http://dx.doi.org/10.4028/www.scientific.net/msf.689.144.

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The observation of scanning electron microscope (SEM) shows chafer cuticle is a kind of biocomposite which possesses multiscale microstructural characteristic. Under a relative small magnification of the SEM, it is found that the cuticle consists of chitin-fiber layers and protein matrix and that the fibers in two adjacent fiber layers have different directions, which composes a kind of fiber-crossed microstructure. Under a relative large magnification, it is observed that the many chitin fibers in the crossed fiber layers are furcated fibers, which exhibits a kind of fiber-furcated microstruc

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23

Huang, Chunshui, Danying Gao, and Peibo You. "Viscoelastic Mechanical Model of Asphalt Concrete Considering the Influence of Characteristic Parameter of Fiber Content." Revue des composites et des matériaux avancés 31, no. 5 (2021): 283–90. http://dx.doi.org/10.18280/rcma.310503.

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This paper carries out bending creep tests on polyester fiber-reinforced asphalt concrete beams, and investigates how the volume ratio and aspect ratio of the fibers influence the parameters of viscoelastic mechanical model and the viscoelastic performance of the asphalt concrete. The results show that: with the growing volume ratio and aspect ratio of the fibers, the midspan deflection and bottom flexural-tensile strain of asphalt concrete beams first dropped and then rose over time; the characteristic parameter of fiber content (FCCP) could reflect the overall effects of the volume ratio and

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24

Staroverova, Olga, Svetlana Karpova, Alexey Iordanskii, et al. "Comparative Dynamic Characteristics of Electrospun Ultrathin Fibers and Films Based on Poly(3-hydroxybutyrate)." Chemistry & Chemical Technology 10, no. 2 (2016): 151–58. http://dx.doi.org/10.23939/chcht10.02.151.

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The dynamic of polymer chains for electrospun poly(3-hydroxybutyrate) (PHB) fibers and the PHB films was studied with spin probe characteristics obtained by ESR technique. The ESR data combined with DSC analysis reveal the presence of two TEMPO probe populations with different correlation times indicating the heterogeneous structure of intercrystalline areas in the films, fibers and the cold rolled fiber mats. The ESR data are in agreement with the 2-mode model of amorphous state in semicrystalline polymers. The difference in peak intensities shows that effective correlation time in the electr

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25

Shivekar, Nishant, Vicky Nalawade, Abhinandan Pawar, Sourabh Kasalkar, and Kartik Janvekar. "Construction of Canal Lining Using Nylon Net." International Journal for Research in Applied Science and Engineering Technology 11, no. 6 (2023): 2414–15. http://dx.doi.org/10.22214/ijraset.2023.54048.

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Abstract: The nylon fibers are used in manufacture of various products like carpet, rope, clothes, tires and other durable materials. The reason for using nylon fiber is that it has good hardness, resilience and durability; is readily available in different colors, can be dyed, resistant to soil and dirt, good abrasion and wearing characteristic, availability in different cross-section. The Nylon fiberproduction, though, affects the environment and the disposal of these fibers poses more severe threat. In this regard, use of nylon fiber as ingredient in cement concrete is promising as it provi

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26

Gao, Xiang, Jingjun Peng, Linjie Huang, et al. "Electrospun Parallel, Crossed Fibers for Promoting Cell Adhesion and Migration." Materials 18, no. 14 (2025): 3224. https://doi.org/10.3390/ma18143224.

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Electrospun fibers, possessing biomimetic characteristics similar to fibrous extracellular matrices, have attracted widespread attention as scaffold materials for skin tissue engineering. The topographical structure of electrospun fibers plays a critical role in determining cell behavior. However, the effects of fiber topography on human skin fibroblasts (HSFs) remain unclear. In this study, electrospinning technology was employed to investigate how parallel and crossed fiber architectures influence the spreading morphology, proliferation, and migration of HSFs. The results demonstrated that c

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27

Humayun, M. A., M. N. Hasan, M. A. Rashid, A. Kuwana, and H. Kobayashi. "Effect of optical fiber core diameter on Brillouin scattering loss." Semiconductor Physics, Quantum Electronics and Optoelectronics 24, no. 04 (2021): 450–56. http://dx.doi.org/10.15407/spqeo24.04.450.

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This paper reports the effect of core diameter of optical fiber cables on stimulated Brillouin scattering loss, which is one of the major loss characteristics of an optical fiber communication system. Analysis of this loss characteristic at three windows of the operating wavelength of a laser has been carried out through a numerical approach. Among different types of optical fiber cables, multi-mode step index silica fiber, multi-mode graded index silica fiber and plastic fibers have been considered for the numerical analysis. The numerical analysis has been performed using MATLAB in this rese

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28

Komori, Takashi, and Motoyoshi Itoh. "Analyzing the Compressibility of a Random Fiber Mass Based on the Modified Theory of Fiber Contact." Textile Research Journal 67, no. 3 (1997): 204–10. http://dx.doi.org/10.1177/004051759706700308.

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The effects of fiber crimpiness and other structural parameters on the compressibility of a random fiber mass are analyzed by a model simulation based on the modified theory of fiber contact that we have developed. In place of the crimp ratio defined conventionally for single fibers, we introduce a novel idea based on statistical definition to represent the degree of curliness of fibers as a mass characteristic, the reciprocal of which measures the degree of spatial spread that fibers assume on average within the mass. This new concept is incorporated into the micromechanical theories of fiber

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29

Dannemann, Martin, Sebastian Siwek, Niels Modler, André Wagenführ, and Johannes Tietze. "Damping Behavior of Thermoplastic Organic Sheets with Continuous Natural Fiber-Reinforcement." Vibration 4, no. 2 (2021): 529–36. http://dx.doi.org/10.3390/vibration4020031.

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In the field of lightweight construction, the use of natural fibers as reinforcement in composites has been increasingly discussed. Additionally, the damping properties of natural fibers are known from fiber materials such as fiber insulation boards. In the scope of the work presented here, the focus is on identifying the potential of natural fibers for lightweight structures with high vibration damping capacity. For this purpose, test specimens made of flax fiber-reinforced and glass fiber-reinforced thermoplastic composites were manufactured and characterized. Contrary to expectations, the f

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30

Anindita Saha, Kazi M Maraz, and Ruhul A Khan. "Physio-mechanical properties and applications of natural fiber reinforced bio-composites." GSC Advanced Engineering and Technology 3, no. 1 (2022): 001–10. http://dx.doi.org/10.30574/gscaet.2022.3.1.0021.

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At present, natural or lignocellulosic fiber-based bio composites are the talk of the town due to their low density, cost effective, eco-friendly, renewable properties. Bio fibers such as jute, kenaf, pineapple, sugarcane, flax, leaf, hemp, wool, silk etc obtained from plants or nature which can be utilized to obtain new high performance polymer composite materials. The physical and mechanical characteristics of these bio fibers (e.g., tensile properties, flexural stress-strain behaviour, fracture strength, impact strength) make them more sustainable and attractive than synthetic fibers with a

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31

Mohd Yasin, Siti Mariah, Mohd Afendi Rojan Rojan, Nur Saifullah Kamarrudin, et al. "Correlative Investigation on Dielectric-Mechanical-Morphological Characteristic for Kenaf-Glass-Hybrid Fibers Reinforced Epoxy Composite." Journal of Advanced Research in Applied Mechanics 121, no. 1 (2024): 135–45. http://dx.doi.org/10.37934/aram.121.1.135145.

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In recent years, there are many applications where synthetic fibers and natural fibers are used as reinforcing materials in composites, such as the automotive and aerospace industries, the medical industry, and the construction industry. While these hybrid fibers effectively enhance mechanical and electrical properties, research into electrical characteristics remains inadequate and is an ongoing endeavor. In this work, synthetic woven glass fibers and natural woven kenaf fibers were used to fabricate composite materials by vacuum infusion technique. The dielectric properties of three differen

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32

Ding, Xinxin, Mingshuang Zhao, Hang Li, Yuying Zhang, Yuanyuan Liu, and Shunbo Zhao. "Bond Behaviors of Steel Fiber in Mortar Affected by Inclination Angle and Fiber Spacing." Materials 15, no. 17 (2022): 6024. http://dx.doi.org/10.3390/ma15176024.

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Considering the random orientation and distribution of steel fibers in concrete, the synergistic reinforcement of steel fibers on concrete is much complex than the bond of single fiber. It is meaningful to study the bond behavior of steel fiber during many actions. With the inclination angle of steel fiber to pullout direction and the fiber spacing as main factors, this paper carried out fifteen groups of pullout tests for hook-end steel fiber embedded in manufactured sand mortar. The inclination angle ranged from 0 to 60°, and the fiber spacing ranged from 3.5 mm to 21.2 mm. The characteristi

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Guo, Cuijuan, Mengya Su, Jia Shi, et al. "Tunable Temperature Characteristic of Terahertz Bragg Fiber Filled with Liquid Water." Applied Sciences 11, no. 18 (2021): 8306. http://dx.doi.org/10.3390/app11188306.

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Hollow-core terahertz (THz) fibers have attracted a lot of research interest due to the low loss and easy inner modification with functional materials. Liquid water has unique properties in the THz region and has been widely investigated in THz emission, sensing, and devices. In this paper, a hollow-core THz Bragg fiber with a water defect layer is proposed. The finite element method is used to verify and analyze the tunable temperature characteristic of the water-filled THz fiber. The numerical analysis results show that the confinement loss and the low-frequency side of the dip near 0.5 THz

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Zheng, Guan-Yu. "Numerical Investigation of Characteristic of Anisotropic Thermal Conductivity of Natural Fiber Bundle with Numbered Lumens." Mathematical Problems in Engineering 2014 (2014): 1–8. http://dx.doi.org/10.1155/2014/506818.

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Natural fiber bundle like hemp fiber bundle usually includes many small lumens embedded in solid region; thus, it can present lower thermal conduction than that of conventional fibers. In the paper, characteristic of anisotropic transverse thermal conductivity of unidirectional natural hemp fiber bundle was numerically studied to determine the dependence of overall thermal property of the fiber bundle on that of the solid region phase. In order to efficiently predict its thermal property, the fiber bundle was embedded into an imaginary matrix to form a unit composite cell consisting of the mat

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Dai, Houping, Dongdong Chen, and Zhoushun Zheng. "Modelling the Sintering Neck Growth Process of Metal Fibers under the Surface Diffusion Mechanism Using the Lattice Boltzmann Method." Metals 9, no. 5 (2019): 614. http://dx.doi.org/10.3390/met9050614.

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In this paper, the sintering neck growth process of metal fibers under the surface diffusion mechanism is simulated by using the Lattice Boltzmann method (LBM). The surface diffusion model is developed considering the geometrical characteristic of metal fibers. Then, the LBM scheme is constructed for solving the developed surface diffusion model. The sintering neck growth process of two metal fibers with different fiber angles is simulated by LBM. The simulated morphologies of sintering metal fibers well agree with ones obtained by experiments. Moreover, the numerical simulation results show t

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Kertmen, Nuriye, and İsmail Tiyek. "Investigation of the Effect of Addition of Different Boron Compounds on Thermal Properties of Polyacrylonitrile-co-Vinyl Acetate Fibers Produced by Wet Spinning Method." Osmaniye Korkut Ata Üniversitesi Fen Bilimleri Enstitüsü Dergisi 7, no. 5 (2024): 2333–45. https://doi.org/10.47495/okufbed.1457421.

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In this article, the effect of different boron compounds additives on the thermal properties of wet spun polyacrylonitrile-co-vinyl acetate P(AN-VAc) fibers was investigated. Different boron compounds (boric acid (BA), borax (B), zinc borate (ZB) and their binary mixtures) were added to fiber spinning solutions in order to improve the thermal characteristics of P(AN-VAc) fibers. For all boron-added P(AN-VAc) fibers except the reference fiber sample, the proportions of (P(AN-VAc)) and boron compounds were kept constant at 90% and 10%, respectively. Boron-free fiber produced from 100% P(AN-VAc)

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Matsuyuki, Takahiro, and Yuji Terashima. "Characteristic classes of fiber bundles." Algebraic & Geometric Topology 16, no. 5 (2016): 3029–50. http://dx.doi.org/10.2140/agt.2016.16.3029.

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Xu, Ding Jie, Hong Ru Song, and Wei Wang. "Analysis of Transmission Characteristic in Single Polarization Dual Elliptical Assistant Holes Hollow Fiber." Applied Mechanics and Materials 475-476 (December 2013): 1359–62. http://dx.doi.org/10.4028/www.scientific.net/amm.475-476.1359.

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To improve the propagation quality in photonic crystal fibers,a novel dual elliptical assistant holes hollow fiber is proposed. Numerical model of confinement loss has been modeled by vector finite element method, then the core loss characteristics and the power ratio of the hollow fiber has been simulated and analyzed. The results show that the x-polarization confinement loss and the core power ratio are 0.06dB/m and 98.2% at 1550nm, respectively. By contrast, the y-polarization confinement loss is up to 243.34dB/m while the core power ratio is 47.86%. The novel optical fiber exhibits good si

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Chen, Mingxun. "Liquid metal based smart fiber sensor for human-computer interaction." E3S Web of Conferences 213 (2020): 03015. http://dx.doi.org/10.1051/e3sconf/202021303015.

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Flexible electronic devices based on liquid metal fibers have attracted the attention of many laboratories in the world due to their convenient use and characteristics of being able to be woven into flexible textiles or applied directly on the body surface. In this research, we utilized the liquid metal mixed with copper particles (Cu-EGaIn) as the outer conductive layer of stretchable fiber, developing a highperformance composite conductive fiber based on liquid metal. The composite conductive fiber has three layers: stretchable elastic fiber core; adhesion layer; liquid metal layer. Specific

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Yi, Jin, Lei Wang, Linjian Ma, Qiancheng Zhang, Jiwang Zhang, and Junsheng Chi. "Experimental Study on Basic Mechanical Properties of PVA Fiber-Reinforced Coral Cement-Based Composites." Materials 16, no. 7 (2023): 2914. http://dx.doi.org/10.3390/ma16072914.

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In order to improve the brittle characteristics of coral cement-based composites and increase their toughness, an experimental study was carried out on the basic mechanical properties of PVA (polyvinyl alcohol) fiber-reinforced coral cement-based composites, taking into account the fiber content and length-to-diameter ratio (L/D). The results showed that PVA fibers can effectively improve the mechanical properties of concrete, especially its tensile strength. At the same time, PVA fibers improved the damage characteristics of cement-based composites and had obvious toughening and brittleness r

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Sahaya Ruben, J., and G. Baskar. "Experimental Investigation on Strengthening of Latex Treated Coconut Fiber in Concrete." Asian Review of Civil Engineering 2, no. 2 (2013): 23–29. http://dx.doi.org/10.51983/tarce-2013.2.2.2193.

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Coconut fibers have the highest toughness amongst natural fibers. The experiment has carried out to investigate the behavioural study of coconut fibre in concrete member. The Coconut fibre is treated using natural latex before using in concrete, so that it is not be affected by moisture content presented in concrete. In this experimental study 28 days of the compressive strength is carried out using different coconut fibre length of 20mm, 25mm and 30mm respectively with a different percentage as 0.5%, 0.75% and 1%. The selected input variables include the length of the fiber, percentage of the

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Karahan, Mehmet, and Nevin Karahan. "Investigation of Damage Properties of Woven Carbon-Epoxy Composites Modified with CNT Fillers." Journal of Nanotechnology in Diagnosis and Treatment 8 (June 24, 2022): 1–9. http://dx.doi.org/10.12974/2311-8792.2022.08.1.

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CNT/CNF grafting at high amount causes a CNT forest around the fiber and this causes significant limitations in composite material production. Due to increased distance between the fibers, local fiber volume fraction decreases within the yarns. Fiber volume fraction was found to decrease by 2.7–6.2% according to CNT/CNF ratio. The results revealed that there were significant decreases in mechanical properties and characteristic strain values where damage initiation and progression of the composite samples produced from carbon nanotubes grown on fabrics. It was found that Young’s modulus values

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Wang, Lei, Hailong Wang, and Hong Yang. "Compressive Toughness Loss Rate and Softening Characteristic Analysis of Pasture Fiber-Rubber Powder Concrete." Advances in Materials Science and Engineering 2022 (September 21, 2022): 1–17. http://dx.doi.org/10.1155/2022/7028755.

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To develop the utilization of pasture fibers and waste tire rubber powder, the effect of different blending levels of modified pasture fibers (2 kg/m3, 3 kg/m3, and 4 kg/m3) on the loss rate of compressive toughness and softening characteristics of rubber powder concrete was studied. In addition, RapidAir457 system imaging analysis and microscopic electron microscope photo analysis were carried out to analyze the distribution pattern of modified pasture fibers and rubber powder in concrete. The results show that the peak load of concrete is higher than other pasture fiber dosing test groups wh

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Prastuti, Okky Putri, Fahimah Martak, Yuni Kurniati, Hanna Eryati Nur'ain, and Devi Ardelia Wardani. "The Effect of Volume Fraction and Alkalization Treatment on Characteristic of Straw-Epoxy Hydrophobic Composites with Coating Method." Materials Science Forum 1114 (February 22, 2024): 63–72. http://dx.doi.org/10.4028/p-k8uoii.

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The rapid development of the timber industry has caused the total capacity of the Indonesian timber industry to exceed the ability of production forests to provide raw materials sustainably. One of the industries that require a supply of wood as its main raw material is the furniture industry. The raw materials for furniture that are commonly used are logs and planks. In recent years, there has been the development of new materials that use natural fibers as polymer reinforcement, which can be used to replace wood materials. The material is a natural fiber composite. Composite materials reinfo

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Alizar, Alizar, Slamet Imam Wahyudi, and Rachmat Mudiyono. "Experimental Testing of Natural Fiber on Asphalt Mix Performance." Ranah Research : Journal of Multidisciplinary Research and Development 7, no. 1 (2024): 331–38. http://dx.doi.org/10.38035/rrj.v7i1.1189.

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The performance of road pavements in Indonesia pays great attention to durability and high safety for users, considering the high rate of traffic growth every year. Utilizing natural fibers which are abundant in Indonesia in a hot mixed asphalt is one solution. This can be an alternative to asphalt content which will protect the pavement from damage, especially the surface layers which experiences collapse due to traffic loads and changes in temperature 20-50 °C. The characterization study of natural fiber in asphalt pavement is critical point for accurate fiber mixing to increase the performa

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Sun, Yu Chai, Zhong Hao Cheng, and Yan Mei Zhang. "Analysis on Tensile Properties of Stainless-Steel Fiber and Yarn Quality." Advanced Materials Research 399-401 (November 2011): 176–79. http://dx.doi.org/10.4028/www.scientific.net/amr.399-401.176.

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Stainless steel fiber is a new sort of soft industrial material developed in the past decades. The pure stainless fiber has a number of outstanding properties and is getting wider range of application in textiles which are used as industrial textiles. The tensile properties between stainless steel fiber and traditional textile fibers are quiet different. The property differences between stainless fiber and common textile fiber made the textile processing of stainless fiber difficult. Based on the testing of breaking force, breaking strength and breaking elongation rate, this paper analyzed the

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KWON, OH-HEON, and JI-WOONG KANG. "THE STRESS ANALYSIS AND THE CRACK BEHAVIOR ACCORDING TO THE CHARACTERISTIC OF THE INTERFACIAL REGION IN FIBER REINFORCED MMC." International Journal of Modern Physics B 20, no. 25n27 (2006): 4457–62. http://dx.doi.org/10.1142/s0217979206041513.

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High performance composite reinforced with unidirectional continuous fibers are used in applications requiring high stiffness, high strength and light weight. Because of the high stiffness of the reinforced continuous fiber, the longitudinal performance of such unidirectional composites is greatly enhanced, but their transverse performance is so weak. The nature of the fiber/matrix interface is one of the important factors which determine the unique properties of the fiber reinforced metal matrix composites (MMCs). So, the current study is focused on the fracture behavior of the interface. Bot

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Dalloz, Nicolas, Stefano Bigotta, Thierry Ibach, Christophe Louot, Thierry Robin, and Anne Hildenbrand-Dhollande. "Triple-Clad Fiber Combiner for Holmium-Doped Fiber Lasers Clad-Pumping." Photonics 12, no. 7 (2025): 659. https://doi.org/10.3390/photonics12070659.

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The development of a high-power 7 × 1 triple-clad fiber combiner aimed at resonantly clad-pump holmium-doped fiber lasers is presented. Thanks to the implementation in the combiner of a low refractive index glass capillary, we show that the developed combiner is compatible with power scaling. Due to the hexagonal arrangement of its seven single-mode input fibers, the presented combiner can also be used in a 6 + 1 × 1 configuration. This characteristic of the fiber component allows for holmium-doped fiber lasers to be studied and developed with both single-oscillator and master-oscillator power

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Ulyarti, Surhaini, and Adha Farwati. "PENGARUH TEPUNG BUAH NIPAH TERHADAP KARAKTERISTIK BISKUIT TINGGI SERAT." JURNAL TEKNOLOGI PERTANIAN 10, no. 2 (2021): 101–12. http://dx.doi.org/10.32520/jtp.v10i2.1697.

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The amount of fibre consumption in Indonesia is lower than recommended by WHO. The use of nypa flour as wheat substitution in biscuit formulation is able to increase fibre content in biscuit. The aims of this research were to determine the effect of Nypa fruticans flour to the physicochemical and sensory properties of high-fiber biscuit. This research used a completely randomized design (CRD) with the concentration of Nypa fruticans flour (0, 10, 20, 30, 40, 50, and 60%) as the treatments. Data was analysed by ANOVA and DnMRT at 95% confidence level. The result showed that Nypa flour had 10% w

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Yan, Cheng, H. Yu, Lin Ye, J. Canning, and B. Ashton. "Tensile Behavior of Photonic Crystal Fibers." Key Engineering Materials 353-358 (September 2007): 615–18. http://dx.doi.org/10.4028/www.scientific.net/kem.353-358.615.

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The mechanical strength and failure behavior of two photonic crystal silica optical fibers with different diameters were investigated using tensile test. The effect of polymer coating on the failure behavior was also studied. The results indicated that all fibers failed in a brittle manner and the failure normally initiated from fiber surfaces. The failure loads observed in the coated fibers are higher than that in bare fibers and the reason is explained by the apparent delamination between the fiber and the polymer coating when loaded on the fiber surfaces. The relationship between a characte

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