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Journal articles on the topic 'Flexible fibres'

Author: Grafiati

Published: 4 June 2021

Last updated: 20 February 2023

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1

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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2

Guo, Y., C. Wassgren, B. Hancock, W. Ketterhagen, and J. Curtis. "Computational study of granular shear flows of dry flexible fibres using the discrete element method." Journal of Fluid Mechanics 775 (June 16, 2015): 24–52. http://dx.doi.org/10.1017/jfm.2015.289.

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In this study, shear flows of dry flexible fibres are numerically modelled using the discrete element method (DEM), and the effects of fibre properties on the flow behaviour and solid-phase stresses are explored. In the DEM simulations, a fibre is formed by connecting a number of spheres in a straight line using deformable and elastic bonds. The forces and moments induced by the bond deformation resist the relative normal, tangential, bending and torsional movements between two bonded spheres. The bond or deforming stiffness determines the flexibility of the fibres and the bond damping account

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3

Ullrich, Julia, Martin Eisenreich, Yvonne Zimmermann, et al. "Piezo-Sensitive Fabrics from Carbon Black Containing Conductive Cellulose Fibres for Flexible Pressure Sensors." Materials 13, no. 22 (2020): 5150. http://dx.doi.org/10.3390/ma13225150.

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The design of flexible sensors which can be incorporated in textile structures is of decisive importance for the future development of wearables. In addition to their technical functionality, the materials chosen to construct the sensor should be nontoxic, affordable, and compatible with future recycling. Conductive fibres were produced by incorporation of carbon black into regenerated cellulose fibres. By incorporation of 23 wt.% and 27 wt.% carbon black, the surface resistance of the fibres reduced from 1.3 × 1010 Ω·cm for standard viscose fibres to 2.7 × 103 and 475 Ω·cm, respectively. Fibr

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4

Manikantan, Harishankar, Lei Li, Saverio E. Spagnolie, and David Saintillan. "The instability of a sedimenting suspension of weakly flexible fibres." Journal of Fluid Mechanics 756 (September 9, 2014): 935–64. http://dx.doi.org/10.1017/jfm.2014.482.

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AbstractSuspensions of sedimenting slender fibres in a viscous fluid are known to be unstable to fluctuations of concentration. In this paper we develop a theory for the role of fibre flexibility in sedimenting suspensions in the asymptotic regime of weakly flexible bodies (large elasto-gravitation number). Unlike the behaviour of straight fibres, individual flexible filaments rotate as they sediment, leading to an anisotropic base state of fibre orientations in an otherwise homogeneous suspension. A mean-field theory is derived to describe the evolution of fibre concentration and orientation

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5

Williams, Huw. "Marketable fibres need flexible physicists." Physics World 4, no. 5 (1991): 64–65. http://dx.doi.org/10.1088/2058-7058/4/5/33.

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6

Edgerton, V. R., T. P. Martin, S. C. Bodine, and R. R. Roy. "How flexible is the neural control of muscle properties?" Journal of Experimental Biology 115, no. 1 (1985): 393–402. http://dx.doi.org/10.1242/jeb.115.1.393.

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The issue addressed in this paper is to what extent are selected physiological properties and associated protein systems of muscle fibres controlled or regulated by neuronal systems. One extreme position would be that all muscle proteins are controlled completely by the neural system that innervates the muscle. The opposite position would be that none of the muscle proteins are under neural influence. Although the concept that there is complete neural control of all proteins has generally received more support, it is more likely that there is only partial neural control of some proteins. Ident

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7

Prabu, Krishnaa, J. Srinivasan, and C. Prakash. "Ceramic and Glass Fibre Reinforced Flexible Composites for Particulate Filter Walls – A Novel Approach." Fibres and Textiles in Eastern Europe 27, no. 3(135) (2019): 91–97. http://dx.doi.org/10.5604/01.3001.0012.7747.

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Flexible composites from high performance fibres were developed and targeted to replace the wall of existing rigid ceramic Particulate Filters. The composites are made from E Glass fibre webs of different density in the middle, with standard SiC Ceramic fibres webs in in the outer layers, forming a sandwich structure. Different needling densities were applied to form nonwoven composites, and they were stitched diagonally on the surface at specified intervals with continuous glass fibre filament yarn. In total, nine novel flexible composites were developed and evaluated for their structural, su

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LUSIS, Vitalijs, Andrejs KRASNIKOVS, Olga KONONOVA, et al. "EFFECT OF SHORT FIBERS ORIENTATION ON MECHANICAL PROPERTIES OF COMPOSITE MATERIAL – FIBER REINFORCED CONCRETE." Journal of Civil Engineering and Management 23, no. 8 (2017): 1091–99. http://dx.doi.org/10.3846/13923730.2017.1381643.

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Traditional fiberconcrete structures have fibres in the mix oriented in all spatial directions, distributed in the structural element volume homogenously, what not easy to obtain in practice. In many situations, structurally more effective is the insertion of fibres into the concrete structural element body by forming layers, with a predetermined fibre concentration and orientation in every layer. In the present investigation, layered fibre concrete is under investigation. Short steel fibres were attached to flexible warps with the necessary fibres concentration and orientation. Warps were p

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9

Harvey, G., A. Gachagan, J. W. Mackersie, T. Mccunnie, and R. Banks. "Flexible ultrasonic transducers incorporating piezoelectric fibres." IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control 56, no. 9 (2009): 1999–2009. http://dx.doi.org/10.1109/tuffc.2009.1276.

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10

Wan, Tao Yu, Mohammad Chowdhury, and George K. Stylios. "The Formation and Morphology of PVA Ferrogel Nanofibre by the Electrospinning Process." Materials Science Forum 650 (May 2010): 361–66. http://dx.doi.org/10.4028/www.scientific.net/msf.650.361.

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Aqueous solutions of polyvinyl alcohol (PVA) with FeCl3 were homogenously mixed and subsequently electrospun; and its characteristics were studied as a function of voltage, tip-target distance and solution flow rate. Fiber mats of (PVA)/FeCl3 composite, in the diameter of 700–1100 nm were prepared by electrospinning. Lower concentrations of solution tended to facilitate the formation of fibres with beads. With increasing concentration, the morphology was improved with smooth and uniform fibres and the increased fibre diameters in the nano range. Spinning voltage also had an important influence

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11

Argyros, Alexander. "Microstructures in Polymer Fibres for Optical Fibres, THz Waveguides, and Fibre-Based Metamaterials." ISRN Optics 2013 (February 12, 2013): 1–22. http://dx.doi.org/10.1155/2013/785162.

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This paper reviews the topic of microstructured polymer fibres in the fields in which these have been utilised: microstructured optical fibres, terahertz waveguides, and fibre-drawn metamaterials. Microstructured polymer optical fibres were initially investigated in the context of photonic crystal fibre research, and several unique features arising from the combination of polymer and microstructure were identified. This lead to investigations in sensing, particularly strain sensing based on gratings, and short-distance data transmission. The same principles have been extended to waveguides at

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12

Hamedi, Naser, and Lars-Göran Westerberg. "Simulation of Flexible Fibre Particle Interaction with a Single Cylinder." Processes 9, no. 2 (2021): 191. http://dx.doi.org/10.3390/pr9020191.

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In the present study, the flow of a fibre suspension in a channel containing a cylinder was numerically studied for a very low Reynolds number. Further, the model was validated against previous studies by observing the flexible fibres in the shear flow. The model was employed to simulate the rigid, semi-flexible, and fully flexible fibre particle in the flow past a single cylinder. Two different fibre lengths with various flexibilities were applied in the simulations, while the initial orientation angle to the flow direction was changed between 45° ≤ θ ≤ 75°. It was shown that the influence of

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13

Bai, S. L., R. K. Y. Li, Y. W. Mai, and C. M. L. Wu. "Morphological Study of Sisal Fibres." Advanced Composites Letters 11, no. 3 (2002): 096369350201100. http://dx.doi.org/10.1177/096369350201100304.

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A sisal fibre has microstructures very different from those of synthetic fibres. The special microstructures consist of parallel cells and a cuticle-interface in the form of a continuous network around each cell. The flexible interface and solid cells play an independent role to toughen and strengthen the sisal fibre, respectively. Upon loading, the cell can behave in a brittle or a ductile fashion. The main failure mechanisms of a sisal fibre are the pullout and uncoiling of cells and the debonding of a not very strong interface/cell interface. Therefore, debonding of this interface represent

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14

Andrade-Silva, Ignacio, Théo Godefroy, Olivier Pouliquen, and Joel Marthelot. "Cohesion of bird nests." EPJ Web of Conferences 249 (2021): 06014. http://dx.doi.org/10.1051/epjconf/202124906014.

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One striking difference between aggregates of flexible frictional fibres and other granular materials like rigid spheres is the effective cohesion of their assembly. While glue or capillary bridges are needed to shape aggregates of spherical particles and build sandcastles, for fibres, no need for glue to build a nest. Here we study an assembly of mono disperse flexible fibres. We first use X-ray microtomography to characterise the geometry of the initial assembly, the number of contact points and mean curvatures of the fibres. Using forcedisplacement measurements, we characterise the macrosco

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15

Jaworski, J. W. "Sound from aeroelastic vortex–fibre interactions." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 377, no. 2159 (2019): 20190071. http://dx.doi.org/10.1098/rsta.2019.0071.

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The motion of a line vortex moving past a one-dimensional flexible fibre is examined theoretically. A Schwarz–Christoffel conformal mapping enables the analytical solution of the potential flow field and its hydrodynamic moment on the flexible fibre, which is composed of a rigid segment constrained to angular motions on a wedge. The hydroelastic coupling of the vortex path and fibre motion affects the noise signature, which is evaluated for the special case of acoustically compact fibres embedded in a half plane. Results from this analysis attempt to address how the coupled interactions betwee

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16

Yang, Yang, Yongquan Wang, Tao Yao, and Xiaojuan Feng. "A flexible carbon fibre-based electrothermal film for fast actuation of shape memory alloy sheets." Smart Materials and Structures 31, no. 4 (2022): 045019. http://dx.doi.org/10.1088/1361-665x/ac5808.

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Abstract Two-dimensional shape memory alloy (SMA) structures have great potential in intelligent and highly flexible robots. However, they have challenges in direct electric heating. This paper proposes a solution to heat SMA sheets using carbon fibres as surface heat sources and indirectly transmits Joule heat generated by the carbon fibres to the SMA sheets. The preparation process of the carbon fibre-based thermoelectric composite film is illustrated in this study. The effect of heat source (carbon fibre) distribution on heat transfer characteristics and the temperature field of the SMA sur

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17

Kondora, Grzegorz, and Dariusz Asendrych. "Modelling the Dynamics of Flexible and Rigid Fibres." Chemical and Process Engineering 34, no. 1 (2013): 87–100. http://dx.doi.org/10.2478/cpe-2013-0008.

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Abstract A particle-level simulation technique has been developed for modelling fibre suspension flow in a converging channel of a papermachine headbox. The fibre model is represented by a chain of elements connected together. The model was verified by the simulation of rigid fibre dynamics in a simple shear flow. The period of rotation was found to be in a very good agreement with theory and reference data. The model was then employed to simulate fibre motion in a converging channel of a papermachine headbox. Fibre suspension motion was resolved using two-step procedure. Velocity field was ca

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18

Narinc, Muhammed E., and Alper Gurarslan. "AgNW coated on poplar fibres for flexible capacitors." IOP Conference Series: Materials Science and Engineering 460 (December 24, 2018): 012022. http://dx.doi.org/10.1088/1757-899x/460/1/012022.

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19

Zhang, Junxian, Andrew L. Hector, Samantha Soulé, Qinghua Zhang, and Xin Zhao. "Effects of ammonolysis and of sol–gel titanium oxide nitride coating on carbon fibres for use in flexible supercapacitors." Journal of Materials Chemistry A 6, no. 12 (2018): 5208–16. http://dx.doi.org/10.1039/c7ta11142h.

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Smooth titanium oxide nitride coatings have been deposited on carbon fibres using a non-oxide sol–gel method based on self-condensation of titanium alkylamide species. Flexible supercapacitors made from the fibres had competitive energy and power densities.

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20

Kakonke, Grace, Tamrat Tesfaye, Bruce Sithole, and Mbuyu Ntunka. "A Novel Method for Rapid Extraction Of Biofibres from Waste Chicken Feathers." Journal of Solid Waste Technology and Management 47, no. 1 (2021): 31–45. http://dx.doi.org/10.5276/jswtm/2021.31.

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South Africa is the biggest chicken meat producer in Southern Africa and generates about 258 million kg of waste feathers. Although some of this waste is beneficiated into animal feed and fertiliser there are problems in adequate digestion of the feed by animals. Consequently, there is a need to find other innovative ways of beneficiating the waste. In this paper, beneficiating of feathers by extraction of fibres for possible conversion into high value products was explored. Three mechanical methods for extracting fibres from feathers were evaluated and the properties of the resultant fibres w

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21

Bakhtiari, R., S. Ghobadi, E. N. Güllüoğlu, L. I. Şanlı, S. A. Gürsel, and E. Özden-Yenigün. "Macroscopic assembly of flexible and strong green graphene fibres." RSC Advances 7, no. 43 (2017): 26735–44. http://dx.doi.org/10.1039/c7ra03975a.

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22

Filippov, A. E., and V. Popov. "Flexible tissue with fibres interacting with an adhesive surface." Journal of Physics: Condensed Matter 19, no. 9 (2007): 096012. http://dx.doi.org/10.1088/0953-8984/19/9/096012.

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23

Di Giusto, Davide, and Cristian Marchioli. "Turbulence Modulation by Slender Fibers." Fluids 7, no. 8 (2022): 255. http://dx.doi.org/10.3390/fluids7080255.

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In this paper, we numerically investigate the turbulence modulation produced by long flexible fibres in channel flow. The simulations are based on an Euler–Lagrangian approach, where fibres are modelled as chains of constrained, sub-Kolmogorov rods. A novel algorithm is deployed to make the resolution of dispersed systems of constraint equations, which represent the fibres, compatible with a state-of-the-art, Graphics Processing Units-accelerated flow-solver for direct numerical simulations in the two-way coupling regime on High Performance Computing architectures. Two-way coupling is accounte

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24

Allende, Sofía, Christophe Henry, and Jérémie Bec. "Dynamics and fragmentation of small inextensible fibres in turbulence." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 378, no. 2175 (2020): 20190398. http://dx.doi.org/10.1098/rsta.2019.0398.

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The fragmentation of small, brittle, flexible, inextensible fibres is investigated in a fully developed, homogeneous, isotropic turbulent flow. Such small fibres spend most of their time fully stretched and their dynamics follows that of stiff rods. They can then break through tensile failure, i.e. when the tension is higher than a given threshold. Fibres bend when experiencing a strong compression. During these rare and intermittent buckling events, they can break under flexural failure, i.e. when the curvature exceeds a threshold. Fine-scale massive simulations of both the fluid flow and the

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25

WU, JINGSHU, and CYRUS K. AIDUN. "A numerical study of the effect of fibre stiffness on the rheology of sheared flexible fibre suspensions." Journal of Fluid Mechanics 662 (September 27, 2010): 123–33. http://dx.doi.org/10.1017/s0022112010003885.

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A recently developed particle-level numerical method is used to simulate flexible fibre suspensions in Newtonian simple shear flow. In this method, the flow is computed on a fixed regular ‘lattice’ using the lattice Boltzmann method, where each solid particle, or fibre in this case, is mapped onto a Lagrangian frame moving continuously through the domain. The motion and orientation of the fibre are obtained from Newtonian dynamics equations. The effect of fibre stiffness on the rheology of flexible fibre suspensions is investigated and a relation for the relative viscosity is obtained. We show

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26

Nazari, Kazem, Prina Mehta, Muhammad Sohail Arshad, et al. "Quality by Design Micro-Engineering Optimisation of NSAID-Loaded Electrospun Fibrous Patches." Pharmaceutics 12, no. 1 (2019): 2. http://dx.doi.org/10.3390/pharmaceutics12010002.

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The purpose of this study was to apply the Quality by Design (QbD) approach to the electrospinning of fibres loaded with the nonsteroidal anti-inflammatory drugs (NSAIDs) indomethacin (INDO) and diclofenac sodium (DICLO). A Quality Target Product Profile (QTPP) was made, and risk assessments (preliminary hazard analysis) were conducted to identify the impact of material attributes and process parameters on the critical quality attributes (CQAs) of the fibres. A full factorial design of experiments (DoE) of 20 runs was built, which was used to carry out experiments. The following factors were a

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27

Afina, E. T., M. V. Nadezhdina, A. V. Soroka, and M. V. Mityashina. "Clinical and elektroneuromyographycal characteristic of traumatic brachial plexopathy." Bulletin of Siberian Medicine 9, no. 4 (2010): 23–27. http://dx.doi.org/10.20538/1682-0363-2010-4-23-27.

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53 patients with traumatic brachial plexopathy were exsamined during the clinical and elektroneuromyographycal study. It was determined that the structure of traumatic brachial plexopathy had 5 types of injury: upper Erbs palsy (С5—С6) (28,3%), lower Klumpcs palsy (С8—Th1) (15,1%), whole palsy (С5—Th1) (18,9%) and 2 groups of combined plexopathies with paralyses of flexible muscles of upper arm and fingers (С5—С7) (16,9%) and paralyses of extensible muscles of forearm and hand (С6—С8) (20,8%). 3 variants of disturbanses of nerve fibres were found during the experiment. They were axonal variant

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28

Gröger, Benjamin, Jingjing Wang, Tim Bätzel, Andreas Hornig, and Maik Gude. "Modelling and Simulation Strategies for Fluid–Structure-Interactions of Highly Viscous Thermoplastic Melt and Single Fibres—A Numerical Study." Materials 15, no. 20 (2022): 7241. http://dx.doi.org/10.3390/ma15207241.

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A virtual test setup for investigating single fibres in a transverse shear flow based on a parallel-plate rheometer is presented. The investigations are carried out to verify a numerical representation of the fluid–structure interaction (FSI), where Arbitrary Lagrangian–Eulerian (ALE) and computational fluid dynamics (CFD) methods are used and evaluated. Both are suitable to simulate flexible solid structures in a transverse shear flow. Comparative investigations with different model setups and increasing complexity are presented. It is shown, that the CFD method with an interface-based coupli

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29

Wang, Yao, Yuedan Wang, Rufeng Zhu, and Dong Wang. "Research progress of fibre-based organic electrochemical transistors." Wearable Technology 2, no. 2 (2022): 67. http://dx.doi.org/10.54517/wt.v2i2.1650.

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<p>Organic electrochemical transistors are flexible in design with characteristics such as miniaturisation, biocompatibility and amplification and are one of the rapidly developing research topics in recent years. As an excellent flexible material, fibre has unparalleled advantages in weaving and compatibility with the human body. Combining fibres with organic electrochemical transistors is a promising research direction that has the high sensitivity of organic electrochemical transistor testing and the human body compatibility and flexibility of wearable electronic products. This paper

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30

Yang, Zhonglin, Wenwen Wang, Lili Bi, et al. "Wearable electronics for heating and sensing based on a multifunctional PET/silver nanowire/PDMS yarn." Nanoscale 12, no. 31 (2020): 16562–69. http://dx.doi.org/10.1039/d0nr04023a.

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31

Zhou, Xiaodong, Qunfang Lin, Ruohua Xiong, Xinyu Cui, and Gance Dai. "Effect of Flexible Polymer Coating on Interfacial Adhesion of Glass Fibre Reinforced Polypropylene." Polymers and Polymer Composites 13, no. 6 (2005): 619–25. http://dx.doi.org/10.1177/096739110501300607.

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Polymer coatings were obtained by using two rubbers, cis-polybutadiene rubber and ethylene-propylene diene monomer and two block copolymer: polystyrene-block-polybutadiene-block-polyvinyltriethoxysilane and polystyrene -block-polyvinyltrietho xysilane. They were used to coat glass fibre surfaces. The effects of the coatings on the interfacial adhesion and thermal cycling resistance of composites were studied by a single-filament fragmentation technique designed to measure the interfacial shear strength of glass fibre reinforced polypropylene. The interfacial shear strength was improved by the

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32

Garcia-Torres, Jose, Carol Crean, and Elisa Vallés. "Co-Ni-carbon flexible composite fibres for directional magnetic actuation." Materials & Design 141 (March 2018): 9–16. http://dx.doi.org/10.1016/j.matdes.2017.12.008.

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33

Yadav, Kiran, Manjeet Jassal, and Ashwini K. Agrawal. "Highly conducting silver nanowire‐polyacrylonitrile hollow fibres for flexible supercapacitors." International Journal of Energy Research 44, no. 2 (2019): 1284–93. http://dx.doi.org/10.1002/er.4989.

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34

Volokhina, A. V. "Fibres from mixtures of rigid-chain and flexible-chain polymers." Fibre Chemistry 18, no. 3 (1987): 155–61. http://dx.doi.org/10.1007/bf00553288.

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35

Finefrock, Scott W., Xiaoqin Zhu, Yanming Sun, and Yue Wu. "Flexible prototype thermoelectric devices based on Ag2Te and PEDOT:PSS coated nylon fibre." Nanoscale 7, no. 13 (2015): 5598–602. http://dx.doi.org/10.1039/c5nr00058k.

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36

Xue, P., Xiao Ming Tao, and Keun Hoo Park. "Electrically Conductive Fibers/Yarns with Sensing Behavior from PVA and Carbon Black." Key Engineering Materials 462-463 (January 2011): 18–23. http://dx.doi.org/10.4028/www.scientific.net/kem.462-463.18.

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In this study, electrical conductive yarns were prepared by wet-spinning technique and a physically coating process. Carbon black (CB) was used to make the fiber gaining electrical conductivity. The electrical conductivity and morphological characteristics of the developed conductive fibres were studied and compared. The results show that linear resistivity of the produced conductive yarns ranges from 1 to a few hundred kΩ per centimeter, mainly depending on processing technique and substrate fibers. It is also shown that the physically coating processes will not significantly affect the mecha

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Filippov, Alexander E., and Stanislav N. Gorb. "Spatial model of the gecko foot hair: functional significance of highly specialized non-uniform geometry." Interface Focus 5, no. 1 (2015): 20140065. http://dx.doi.org/10.1098/rsfs.2014.0065.

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One of the important problems appearing in experimental realizations of artificial adhesives inspired by gecko foot hair is so-called clusterization. If an artificially produced structure is flexible enough to allow efficient contact with natural rough surfaces, after a few attachment–detachment cycles, the fibres of the structure tend to adhere one to another and form clusters. Normally, such clusters are much larger than original fibres and, because they are less flexible, form much worse adhesive contacts especially with the rough surfaces. Main problem here is that the forces responsible f

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38

Wang, R. X., X. M. Tao, H. Zhang, and Shi Jie Xu. "Electrochemical Investigations on Structures of Flexible Textile Electrodes." Advanced Materials Research 716 (July 2013): 138–46. http://dx.doi.org/10.4028/www.scientific.net/amr.716.138.

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Different structures of new types of the flexible electrodes were fabricated from 3-dimensional stainless steel of fibres. Their electrochemical behaviour was characterized using AC impedance spectroscopy where the data presented in impedance plots exhibit different curves. Two or three layers simulation models are proposed to analysis charge transport behaviour and to elucidate dominant characteristics of the samples. The result shows that the bottom layer is more influential on ion exchange and charge transport than other layers.

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Tschannen, Christof, Ali Shalbafan, and Heiko Thoemen. "Development of an Electrically Conductive MDF Panel—Evaluation of Carbon Content and Resin Type." Polymers 15, no. 4 (2023): 912. http://dx.doi.org/10.3390/polym15040912.

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Electronics in furniture and construction materials, in particular technologies which allow for a flexible and cable-free connection of electronics in such materials, are gaining broader interest. This study shows a further development of a concept to obtain highly conductive medium-density fibreboard panels (MDF) for furniture application. MDF were produced using two mixing processes (wet and dry) for wood and carbon fibres to investigate the effects of resin type (urea formaldehyde (UF) and polymeric methylene diphenyl diisocyanate (pMDI)) and carbon fibre content on their mechanical, physic

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Shan, Chan Wen, Maizlinda Izwana Idris, and Imran H. Ghazali. "Flexible Polyurethane Foams Filled with Coconut Coir Fibres and Recycled Tyre - Part I: Production and Morphology." Advanced Materials Research 488-489 (March 2012): 759–66. http://dx.doi.org/10.4028/www.scientific.net/amr.488-489.759.

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In this paper, the use of waste and recycled materials that is coconut coir fibres and recycled tyre particles, as fillers filled in flexible polyurethane (PU) foams were studied and analyzed. The composites developed were aimed to use in cushioning applications. There are five different types of free-rise filled-foams were produced by one-shot method. The thermal analysis indicated that it is possible to added coir fibre and recycled tyre to PU formation since they have high thermal stability; 250°C for organic compounds in coir and 350°C for rubber elements in tyre. Through many trials in pr

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Gu, Tongxu, Zhaohui Ren, Xiang Li, Jie Huang, and Gaorong Han. "A flexible smart membrane consisting of GO composite fibres and upconversion MSNs for microRNA detection." Chemical Communications 55, no. 62 (2019): 9104–7. http://dx.doi.org/10.1039/c9cc02907a.

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We have developed a photoluminescent membrane for microRNA detection, consisting of mesoporous silica nanoparticles (CaF<sub>2</sub>:Yb/Ho@MSNs) attached, via single stranded DNA probes, to flexible polyurethane fibres coated with graphene oxide (GO).

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Obiukwu, Osita, Ignatius Opara, and Henry Udeani. "Study on the Mechanical Properties of Palm Kernel Fibre Reinforced Epoxy and Poly-Vinyl Alcohol (PVA) Composite Material." International Journal of Engineering and Technologies 7 (May 2016): 68–77. http://dx.doi.org/10.18052/www.scipress.com/ijet.7.68.

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The goal of this paper is to determine the mechanical properties of a proposed combined polymer composite which consist of a poly-vinyl alcohol (PVA) matrix and palm kernel fibre reinforced with epoxy. The influence of fibres volume on the mechanical properties of the composites was also evaluated. Composites with volumetric amounts of palm kernel fibre up to 12 % were fabricated and they were arranged in randomly oriented discontinues form. Tensile, impact, flexural and hardness tests were carried out to determine the characteristics of material. The acquired results show that the tensile mod

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Obiukwu, Osita, Ignatius Opara, and Henry Udeani. "Study on the Mechanical Properties of Palm Kernel Fibre Reinforced Epoxy and Poly-Vinyl Alcohol (PVA) Composite Material." International Journal of Engineering and Technologies 7 (May 16, 2016): 68–77. http://dx.doi.org/10.56431/p-4xufun.

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The goal of this paper is to determine the mechanical properties of a proposed combined polymer composite which consist of a poly-vinyl alcohol (PVA) matrix and palm kernel fibre reinforced with epoxy. The influence of fibres volume on the mechanical properties of the composites was also evaluated. Composites with volumetric amounts of palm kernel fibre up to 12 % were fabricated and they were arranged in randomly oriented discontinues form. Tensile, impact, flexural and hardness tests were carried out to determine the characteristics of material. The acquired results show that the tensile mod

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Anjos, Ofélia, António J. A. Santos, Rogério Simões, and Helena Pereira. "Morphological, mechanical, and optical properties of cypress papers." Holzforschung 68, no. 8 (2014): 867–74. http://dx.doi.org/10.1515/hf-2013-0125.

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Abstract The pulping properties of cypress species are not known and the present paper aims to filling this gap. Namely, Cupressus lusitanica Mill., C. sempervirens L. and C. arizonica Greene have been submitted to kraft pulping and the pulp properties are compared with those of Pinus pinaster Aiton. and P. sylvestris Watereri as references. Schopper Riegler degree, density, Bekk’s smoothness, tensile index, tear index, burst index, stretch, dry zero-span strength, wet zero-span strength, brightness, opacity and light scattering coefficient have been tested. The pulp yields and delignification

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Zou, Ling Chunxian, and Chris Hunt. "A new approach to investigate conductive anodic filament (CAF) formation." Soldering & Surface Mount Technology 27, no. 1 (2015): 22–30. http://dx.doi.org/10.1108/ssmt-02-2014-0002.

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Purpose – This paper aims to describe the development of an approach that uses a flexible substrate to investigate the mechanism of conductive anodic filament (CAF) growth and effect of different material and manufacturing variables. Design/methodology/approach – A new approach using a simulated test vehicle (STV) has been developed to study the CAF phenomena. The STV can be easily built under controlled conditions in the laboratory using different glass fibres and resin powder to investigate the effect of different variables separately on CAF. The advantage of the STV is that CAF can be forme

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Plichta, Tomas, Veronika Sirjovova, Milan Zvonek, Gerhard Kalinka, and Vladimir Cech. "The Adhesion of Plasma Nanocoatings Controls the Shear Properties of GF/Polyester Composite." Polymers 13, no. 4 (2021): 593. http://dx.doi.org/10.3390/polym13040593.

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High-performance fibre-reinforced polymer composites are important construction materials based not only on the specific properties of the reinforcing fibres and the flexible polymer matrix but also on the compatible properties of the composite interphase. First, oxygen-free (a-CSi:H) and oxygen-binding (a-CSiO:H) plasma nanocoatings of different mechanical and tribological properties were deposited on planar silicon dioxide substrates that closely mimic E-glass. The nanoscratch test was used to characterize the nanocoating adhesion expressed in terms of critical normal load and work of adhesi

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Derkowski, Wit, and Rafał Walczak. "Possibilities of Increasing Effectiveness of RC Structure Strengthening with FRP Materials." Materials 14, no. 6 (2021): 1387. http://dx.doi.org/10.3390/ma14061387.

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Modern composite materials based on non-metallic continuous fibres are increasingly used in civil engineering to strengthen building structures. In the strengthening of reinforced concrete (RC) structures, the utilisation of externally bonded fibre-reinforced polymer (FRP) composites is only up to 35% because of the pilling-off failure mechanism. This problem can be solved using pre-tensioned composite laminates. Due to more complex behaviour, the strengthening of structures by means of prestressing technology needs a careful design approach and a full understanding of the behaviour of both th

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Greib, Nicolas, Nathalie Stojeba, W. Allister Dow, John Henderson, and Pierre A. Diemunsch. "A combined rigid videolaryngoscopy-flexible fibres copy intubation technique undergener al anesthesia." Canadian Journal of Anesthesia/Journal canadien d'anesthésie 54, no. 6 (2007): 492–93. http://dx.doi.org/10.1007/bf03022046.

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Stockie, John M., and Sheldon I. Green. "Simulating the Motion of Flexible Pulp Fibres Using the Immersed Boundary Method." Journal of Computational Physics 147, no. 1 (1998): 147–65. http://dx.doi.org/10.1006/jcph.1998.6086.

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Volokhina, A. V. "High-strength fibres from blends of rigid- and flexible-chain polymers. Review." Fibre Chemistry 30, no. 2 (1998): 72–76. http://dx.doi.org/10.1007/bf02408118.

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