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Journal articles on the topic 'Fiber position'

Author: Grafiati

Published: 28 May 2022

Last updated: 30 July 2025

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1

Zhao, Sujing, and Yiheng Bo. "Effect of Casting Position on Mechanical Performance of Ultra-High Performance Concrete." Materials 15, no. 2 (2022): 404. http://dx.doi.org/10.3390/ma15020404.

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The mechanical performance of ultra-high performance concrete (UHPC) is a function of fiber distribution and orientation, which are affected by the processing of the fresh material. In this study, the influences of two casting positions (mid-cast and end-cast) on strength and fracture properties of UHPCs with different fiber types and fiber contents were investigated. The results show that mid-cast specimens have higher flexural strength and fracture properties than end-cast specimens, while the compressive strength is almost unaffected by casting position. Compared to specimens with straight

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King, Marcus J. "Impact Cutting of Wool." Textile Research Journal 67, no. 8 (1997): 580–84. http://dx.doi.org/10.1177/004051759706700805.

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Wool fibers are “impact cut” with a rotating blade made from piano wire at various positions along the fibers. The force transmitted to the base of the fibers decreases markedly when a critical velocity (from 140 to 270 m/s) is exceeded, with corresponding improvement in the cut surface. The velocity of the wire required for impact cutting varys according to the length of the fiber above and below the impact position; fibers with long lengths above the wire impact position are impact cut at lower wire velocities than shorter fibers. Fibers impact cut above the critical wire velocity are cut by

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Lassila, Lippo V. J., and Pekka K. Vallittu. "The Effect of Fiber Position and Polymerization Condition on the Flexural Properties of Fiber-Reinforced Composite." Journal of Contemporary Dental Practice 5, no. 2 (2004): 14–26. http://dx.doi.org/10.5005/jcdp-5-2-14.

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Abstract The aim of this study was to investigate the influence of the position of the fiber rich layer on the flexural properties of fiber-reinforced composite (FRC) construction. In addition, the total residual monomer content of FRC was quantitatively determined to find out the difference of the effectiveness of two types of light-curing units using liquid chromatography (HPLC). Unidirectional continuous E-glass FRC and hybrid particulate filler composite resins were used in the fabrication of test specimens. Four different positions of the FRC layer were used: compression, neutral, tension

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Xiao, Yuzhe, Calvin Rans, Dimitrios Zarouchas, and Rinze Benedictus. "A Comprehensive Study on Measurement Accuracy of Distributed Fiber Optic Sensors Embedded within Capillaries of Solid Structures." Sensors 23, no. 19 (2023): 8083. http://dx.doi.org/10.3390/s23198083.

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Embedding fiber optic sensors (FOSs) within parts for strain measurement is attracting widespread interest due to its great potential in the field of structural health monitoring (SHM). This work proposes a novel method of embedding FOSs using capillaries within solid structures and investigates fiber positions and orientation uncertainties within capillaries of different sizes and their influences on strain measurement accuracies. To investigate how the fiber positions and orientation variations influence strain measurement accuracy, both analytical and numerical models are utilized to predic

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Takamatsu, Y., K. Tomita, J. Takagi, and T. Yamashita. "Fiber-optic position sensor." Sensors and Actuators A: Physical 22, no. 1-3 (1990): 435–37. http://dx.doi.org/10.1016/0924-4247(89)80009-3.

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6

Fries, D. C., M. Kaiser, and S. Rohr. "Position-sensitive fiber readout." Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 349, no. 1 (1994): 197–203. http://dx.doi.org/10.1016/0168-9002(94)90620-3.

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Dong, Yiqiao, Haotong Zhang, Zhongrui Bai, Hailong Yuan, and Yajuan Lei. "Fiber Positioning Test." Proceedings of the International Astronomical Union 9, S298 (2013): 403. http://dx.doi.org/10.1017/s1743921313006704.

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AbstractWith the concern that observed flux is very sensitive upon fiber positions, we develop a novel approach measuring the error of fiber positions in this work. More specifically, we compute two orthogonal groups of the flux ratio before and after moving the fiber a few arcseconds, and correct the system coordinate transformation based on the computed fiber position error.

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Gustina, Mara, Widjijono Widjijono, and Endang Wahyuningtyas. "Enhancing the impact strength of acrylic resin base plate by adding non-dental E-glass fiber." Majalah Kedokteran Gigi Indonesia 6, no. 2 (2021): 106. http://dx.doi.org/10.22146/majkedgiind.42939.

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Non-dental glass fiber is one of the materials that can be used to increase the impact strength of a acrylic resin base plate, containing a similar composition to that of dental e-glass fiber. Orientation and positions of fiber affect the reinforcement effectiveness. This research aimed to examine the effect of the orientation of non-dental glass fiber in the compression position on the impact strength of an acrylic resin base plate. The research was conducted on 16 acrylic resin plates with fiber (65 mm x 10 mm x 2.5 mm) addition. The samples were divided into 4 groups (combination of differe

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Höftberger, Thomas, Florian Dietrich, Gernot Zitzenbacher, and Christoph Burgstaller. "Influence of Fiber Content and Dosing Position on the the Mechanical Properties of Short-Carbon-Fiber Polypropylene Compounds." Polymers 14, no. 22 (2022): 4877. http://dx.doi.org/10.3390/polym14224877.

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The properties of short-fiber-reinforced composites depend on the fiber length of the reinforcing fibers. This fiber length is typically influenced by processing to different extents. In this work, we investigate the influence of processing, i.e., the influence of residence time achieved via different dosing points in compounding, and the fiber content on the fiber length and mechanical properties of short-carbon-fiber-reinforced polypropylene. We found that, with increasing fiber content, the fiber length decreases from 900 to 300 µm after compounding and from 500 to 250 µm after injection mo

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Bizjan, Benjamin, Brane Širok, and Marko Blagojevič. "Analogue Experimental Study of Fiber Formation on Two-Wheel Spinner." Strojniški vestnik – Journal of Mechanical Engineering 66, no. 5 (2020): 279–88. http://dx.doi.org/10.5545/sv-jme.2020.6557.

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In this paper, the process of mineral fiber formation was investigated experimentally on a two-wheel spinner by means of high-speed imaging. Analogue isomalt melt was fiberized at different rotational speeds of spinner wheels, melt flow rates and impingement positions so that the fiberization process was dynamically similar to an industrial mineral wool production process. Images of fiber formation and transport reveal highly complex dynamics of these processes, as fibers mostly occur in form of 3D mutually intertwined structures such as clusters, strands and veils periodically shedding from t

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Shahzad, Umar, Najm Us Saqib, Azmat Riaz, chaudhry Amjad Ali, Kaswar Sajjad Ansari, and Abdullah Noor. "Comparison of different Head Positions on Awake Fiber Optic Intubatio." Pakistan Armed Forces Medical Journal 75, no. 2 (2025): 344–48. https://doi.org/10.51253/pafmj.v75i2.11234.

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Objective: to compare the time required to perform awake fiber optic intubation with two different head positions: conventional sniffing position and head-up ramp position in patients with difficult airways who are planning to undergo thyroid surgery. Study Design: Quasi-experimental study Place and Duration of Study: Combined Military Hospital (CMH) Quetta and Combined Military Hospital (CMH) Multan, Pakistan from Oct 2022 to Nov 2023. Methodology: We performed our study on 36 patients with enlarged goiter and difficult airways by allocating them to two separate groups, S and R. Group-S patie

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Feng, Mingchi, Yonggang Gu, Yi Jin, and Chao Zhai. "Multiple Iterations of Bundle Adjustment for the Position Measurement of Fiber Tips on LAMOST." Measurement Science Review 14, no. 4 (2014): 190–97. http://dx.doi.org/10.2478/msr-2014-0026.

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Abstract In the astronomical observation process of multi-object fiber spectroscopic telescope, the position measurement of fiber tips on the focal plane is difficult and critical, and is directly related to subsequent observation and ultimate data quality. The fibers should precisely align with the celestial target. Hence, the precise coordinates of the fiber tips are obligatory for tracking the celestial target. The accurate movement trajectories of the fiber tips on the focal surface of the telescope are the critical problem for the control of the fiber positioning mechanism. According to t

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Brophy, Robert H., James E. Voos, Fintan J. Shannon, et al. "Changes in the Length of Virtual Anterior Cruciate Ligament Fibers during Stability Testing." American Journal of Sports Medicine 36, no. 11 (2008): 2196–203. http://dx.doi.org/10.1177/0363546508320764.

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Background Conventional tunnel positions for single-bundle (SB) transtibial anterior cruciate ligament (ACL) reconstruction are located in the posterolateral (PL) tibial footprint and the anteromedial (AM) femoral footprint, resulting in an anatomic mismatch graft that is more vertical than native fibers. This vertical mismatch position may significantly influence the ability of an ACL graft to stabilize the knee. Hypothesis Anatomic ACL fibers undergo a greater change in length during anterior translation and internal rotation than a conventional SB reconstruction from the PL tibial footprint

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Spyrides, Silvana M. M., Maíra do Prado, Renata Antoun Simão, and Fernando Luis Bastian. "Effect of Plasma and Fiber Position on Flexural Properties of a Polyethylene Fiber-Reinforced Composite." Brazilian Dental Journal 26, no. 5 (2015): 490–96. http://dx.doi.org/10.1590/0103-644020130225.

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Abstract: The aim of this study was to evaluate the effect of plasma treatment using argon and oxygen gases, combined with fiber position on flexural properties of a fiber-reinforced composite. Eleven groups were evaluated, a non-reinforced control group and 10 groups reinforced with InFibra, a woven polyethylene fiber, varying according to the plasma treatment and fiber position. The samples were prepared using a stainless steel two-piece matrix. The three point bending test was performed in an EMIC testing machine. Flexural strength (FS) and flexural deflection (FD) were calculated from init

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Chen, George Y., Dale Otten, Yvonne Qiongyue Kang, Tanya M. Monro, and David G. Lancaster. "Measuring the Radial Position of Defects within Optical Fibers Using Skew Rays." Journal of Sensors 2017 (2017): 1–5. http://dx.doi.org/10.1155/2017/4879528.

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Defects within optical fibers can cause premature failure in fiber-based systems and must be detected early to avoid performance degradation. Addressing this need can ensure that no defective optical fibers are being used by end users and improve processes to reduce the number of defects during manufacturing. The main challenge to date has been developing a technique that can measure defects along long lengths of fiber, within opaque packaging, and with position information. We demonstrate a simple and novel technique for detecting and radially resolving microscopic defects in packaged/buried

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Lima, Israel Luiz de, Eduardo Luiz Longui, Luiz Santini Junior, José Nivaldo Garcia, and Sandra Monteiro Borges Florsheim. "Effect of fertilization on cell size in wood of Eucalyptus grandis Hill ex Maiden." CERNE 16, no. 4 (2010): 465–72. http://dx.doi.org/10.1590/s0104-77602010000400006.

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The use of fertilization in forest stands results in yield gains, yet little attention has been directed to its potential effects on the quality of wood produced. Information is scarce about the effect of fertilization on anatomical structures of older Eucalyptus wood. This work aims to study the effect of fertilization on tissue cell size of wood from a Eucalyptus grandis stand at age 21 years, the management system of which is based on selective thinning and fertilizer application at the start of the thinning season. Factors to consider include: presence or absence of fertilizers, two log po

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Aditama, Pramudya, Erwan Sugiatno, and Murti Indrastuti. "The effect of fiber type and position on the transverse strength of an fiber reinforced composite (FRC) bridge." Majalah Kedokteran Gigi Indonesia 6, no. 3 (2021): 143. http://dx.doi.org/10.22146/majkedgiind.44616.

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Fixed bridge made of porcelain fused to metal (PFM) is one of the widely used dentures. However, this type of denture is easily broken and cracked. As an alternative, a fixed bridge made of fiber-reinforced composite (FRC) is produced with more benefits since it is more efficient in terms of time and cost. The purpose of this research is to find out the effect of type and fiber position on the transverse strength of an FRC bridge. The experimentinvolved 35 rod of FRC with the dimensions of 25x2x2 mm3. Subjects were divided into seven groups, each of which containing five subjects. Group I, II,

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Donoghue, M. J., J. D. Alvarez, J. P. Merlie, and J. R. Sanes. "Fiber type- and position-dependent expression of a myosin light chain-CAT transgene detected with a novel histochemical stain for CAT." Journal of Cell Biology 115, no. 2 (1991): 423–34. http://dx.doi.org/10.1083/jcb.115.2.423.

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We recently generated and characterized transgenic mice in which regulatory sequences from a myosin light chain gene (MLC1f/3f) are linked to the chloramphenicol acetyltransferase (CAT) gene. Transgene expression in these mice is specific to skeletal muscle and graded along the rostrocaudal axis: adult muscles derived from successively more caudal somites express successively higher levels of CAT. To investigate the cellular basis of these patterns of expression, we developed and used a histochemical stain that allows detection of CAT in individual cells. Our main results are as follows: (a) W

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Supriyati, Wahyu, Alpian Alpian, and Yanciluk Yanciluk. "Penyusutan dan Dimensi Serat Kayu Tumeh (Combretocarpus rotundatus Dans) pada Letak Radial." Daun: Jurnal Ilmiah Pertanian dan Kehutanan 11, no. 1 (2024): 21–29. http://dx.doi.org/10.33084/daun.v11i1.6296.

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The shrinkage of wood and the dimensions of wood fibers in the radial positions of stem are two important factors in the use of wood. An understanding of the dimension of wood fiber and the shrunkage of the wood in the radial direction can guide the optimum use of timber. The purpose of this study is to determine the shrinkage and changes in the dimensions of the timber (Combretocarpus rotundatus Dans) in the radial direction. The method used refers to the British and IAWA standards. The parameters measured are the radial and tangential shrinkage of wood as well as the dimensions of the fiber.

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Trunov, D. N., V. N. Marin, R. A. Sadykov, E. V. Altynbaev, and T. I. Glushkova. "Simulation of Optical Parameters of Scintillation Position-Sensitive Detectors with Organic Light Guide." Поверхность. Рентгеновские, синхротронные и нейтронные исследования, no. 4 (April 1, 2023): 71–76. http://dx.doi.org/10.31857/s1028096023040209.

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A new method for determining the coordinates in position-sensitive detectors with an organic fiber and silicon photomultipliers is described. This method differs from previously used spectrum-shifting fibers or an array of light-sensitive elements. It is based on the absorption of photons in the volume of the fiber and the reduction in the number of photons. Depending on the path length, the number of photons incident on the surface of the silicon photomultiplier varies. The optical parameters of a one-dimensional position-sensitive detector are simulated and the effect of the fiber coating on

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Hooijmans, Melissa T., Carly A. Lockard, Xingyu Zhou, et al. "A registration strategy to characterize DTI-observed changes in skeletal muscle architecture due to passive shortening." PLOS ONE 20, no. 3 (2025): e0302675. https://doi.org/10.1371/journal.pone.0302675.

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Skeletal muscle architecture is a key determinant of muscle function. Architectural properties such as fascicle length, pennation angle, and curvature can be characterized using Diffusion Tensor Imaging (DTI), but acquiring these data during a contraction is not currently feasible. However, an image registration-based strategy may be able to convert muscle architectural properties observed at rest to their contracted state. As an initial step toward this long-term objective, the aim of this study was to determine if an image registration strategy could be used to convert the whole-muscle avera

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Bermudez, A., S. Bartolome, and J. R. Daban. "Partial denaturation of small chromatin fragments: direct evidence for the radial distribution of nucleosomes in folded chromatin fibers." Journal of Cell Science 111, no. 12 (1998): 1707–15. http://dx.doi.org/10.1242/jcs.111.12.1707.

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To examine the internal structure of chromatin fibers, we have developed procedures for partial denaturation of small chromatin fragments (8–30 nucleosomes) from chicken erythrocytes. Electron micrographs of samples prepared under conditions that cause nucleosome dissociation show rods and loops projecting from short compact fibers fixed by glutaraldehyde in 1.7 mM Mg2+. According to previous studies in our laboratory, these images correspond to the top view of partially denatured fibers. Our results indicate that rods and loops consist of extended duplex DNA of different lengths. DNA in loops

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LIU, KE, HITOSHI TAKAGI, and ZHIMAO YANG. "DEVELOPMENT OF MANILA HEMP FIBER EPOXY COMPOSITE WITH HIGH TENSILE PROPERTIES THROUGH HANDPICKING FIBER FRAGMENTS." International Journal of Modern Physics: Conference Series 06 (January 2012): 191–96. http://dx.doi.org/10.1142/s2010194512003169.

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Manila hemp fibers are separated to several sequent fragments from single fiber. The tensile strength of each fiber fragments and their epoxy composite are measured, followed by scanning electronic microscopic (SEM) analysis. The results show that the tensile strength of fiber fragments is almost constant along fiber. For composite, the tensile strength first increases and then decreases at the position near to root. The Young's modulus presents increasing with location from root to top for fiber and composite. Microstructure analysis indicates that the difference of tensile properties between

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Greenwald, Peter. "CLARIFICATION OF NCI POSITION ON FIBER." Nutrition Today 21, no. 1 (1987): 36. http://dx.doi.org/10.1097/00017285-198701000-00007.

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LaFountain, James R., and Rudolf Oldenbourg. "Maloriented Bivalents Have Metaphase Positions at the Spindle Equator with More Kinetochore Microtubules to One Pole than to the Other." Molecular Biology of the Cell 15, no. 12 (2004): 5346–55. http://dx.doi.org/10.1091/mbc.e04-06-0524.

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To test the “traction fiber” model for metaphase positioning of bivalents during meiosis, kinetochore fibers of maloriented bivalents, induced during recovery from cold arrest, were analyzed with a liquid crystal polarizing microscope. The measured birefringence retardation of kinetochore fibers is proportional to the number of microtubules in a fiber. Five of the 11 maloriented bivalents analyzed exhibited bipolar malorientations that had at least four times more kinetochore microtubules to one pole than to the other pole, and two had microtubules directed to only one pole. Yet all maloriente

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Li, Wenxian, Chengshan Han, Congjun Wu, Yawei Huang, and Hang Zhang. "Research on the Coupled Modulation Transfer Function of the Discrete Sampling System with Hexagonal Fiber-Optic Imaging Bundles." Applied Sciences 12, no. 6 (2022): 3135. http://dx.doi.org/10.3390/app12063135.

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In this study, we developed a numerical model of the coupled modulation transfer function (coupled-MTF) based on the discrete sampling system from the perspective of optical system imaging quality evaluation for coupled two-dimensional discrete sampling characteristics of the hexagonally aligned fiber-optic imaging bundles and CCD image elements. The results show that when the spatial frequency of the input target signal deviates from the Nyquist frequency by 1%, an increase in the number of fibers leads to a faster convergence of the oscillation of the coupled-MTF, and the coupled-MTF converg

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Violakis, Georgios, Nikolaos Vardakis, Zhenyu Zhang, Martin Angelmahr, and Panagiotis Polygerinos. "Rapid and Accurate Shape-Sensing Method Using a Multi-Core Fiber Bragg Grating-Based Optical Fiber." Sensors 25, no. 14 (2025): 4494. https://doi.org/10.3390/s25144494.

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Shape-sensing optical fibers have become increasingly important in applications requiring flexible navigation, spatial awareness, and deformation monitoring. Fiber Bragg Grating (FBG) sensors inscribed in multi-core optical fibers have been democratized over the years and nowadays offer a compact and robust platform for shape reconstruction. In this work, we propose a novel, computationally efficient method for determining the 3D tip position of a bent multi-core FBG-based optical fiber using a second-order polynomial approximation of the fiber’s shape. The method begins with a calibration pro

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Taufikurahman, M. S. M. Wibawa, and N. T. Astutiningsih. "The Effectiveness of Using Biofilter With the Addition of Palm Fibers on the Growth of Red Lettuce (Lactuca sativa var. Crispa) and Tilapia (Oreochromis niloticus) in Deep Flow Technique (DFT) Aquaponics Systems." IOP Conference Series: Earth and Environmental Science 1386, no. 1 (2024): 012040. http://dx.doi.org/10.1088/1755-1315/1386/1/012040.

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Abstract The aquaponics system is a closed circulation system that uses interactions between plant and fish cultivation. Problems that often occur in the development of aquaponic systems, include the increase in the accumulation of toxins resulting from fish metabolites such as ammonia. The use of biofilters in the aquaponics system is expected to increase the transformation of ammonia into nitrates which can be used directly by plants. The addition of palm fiber to the bio-ball biofilter is expected to filter large particles in water. This research was conducted to determine the effect of add

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Eo, Yun, Na Hye Kwon, Joonsuk Bae, et al. "Simulation study for the energy and position reconstruction performances of the beam monitoring system of Carbon Ion Radiation Therapy using GEANT4." PLOS ONE 20, no. 2 (2025): e0313862. https://doi.org/10.1371/journal.pone.0313862.

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Carbon Ion Radiation Therapy is operated in several countries because of its advantage to have high dose concentration and/or high linear energy transfer (LET). To estimate the beam performance of Carbon Ion Radiation Therapy, we target the 1% energy and 1 mm2 position resolutions of the beam monitoring system. The beam monitoring system consists of a scintillation crystal and fiber hodoscope. The scintillation crystal is 20 × 20 × 120mm3 and its candidates are LYSO, CsI and BGO. The fiber hodoscope is composed of 1 mm thickness scintillation fibers and the fibers are arranged vertically for 2

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Gebken, Tobias, Rüdiger Sachs, Markus Kühn, Jörg Ihde, Klaus Dröder, and Ralph Wilken. "Effect of Atmospheric Pressure Plasma Treatment of Glass Fibers on the Composite Strength of Endless Fiber-Reinforced Injection Molded Components." Key Engineering Materials 801 (May 2019): 251–57. http://dx.doi.org/10.4028/www.scientific.net/kem.801.251.

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Injection molding is an efficient manufacturing process for short-fiber reinforced plastic components and is used for the production of semi-structural or geometrically complex components. To improve stiffness and strength, continuous fibers can be locally integrated inside the part during manufacturing. A local integration of fibers is not feasible for high output manufacturing processes but can be achieved by direct impregnation of endless fibers in the injection molding process. It is a challenging option to integrate endless fibers in injection molded parts in means of fiber position and i

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Kong, L. X., and R. A. Platfoot. "Computational Two-Phase Air/Fiber Flow Within Transfer Channels of Rotor Spinning Machines." Textile Research Journal 67, no. 4 (1997): 269–78. http://dx.doi.org/10.1177/004051759706700406.

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The pneumatic conveyance of fibers within confined channels is particularly relevant to textile engineering, with applications such as transporting individual fibers within rotor spinning machines. The channels of converging shape within these machines are designed to help straighten the orientation of the fibers that have escaped from the opening roller. This allows a satisfactory configuration of fibers to be presented to the spinning rotor surface, which in turn improves yarn and subsequent fabric properties. In this study, a new air/fiber two-phase model is developed to simulate fiber move

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Carlsson, Allan, Fredrik Lundell, and L. Daniel Söderberg. "Fiber Orientation Control Related to Papermaking." Journal of Fluids Engineering 129, no. 4 (2006): 457–65. http://dx.doi.org/10.1115/1.2436583.

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The orientation of fibers suspended in a shear flow flowing over a solid wall has been studied experimentally. The possibility to control this orientation with physical surface modifications, ridges, has also been studied. The fiber suspension was driven by gravity down a slightly inclined glass plate and a charge-coupled device camera was used to capture images of the fibers in the flow. Image analysis based on the concept of steerable filters extracted the position and orientation of the fibers in the plane of the image. From these data, the velocity of the fibers was determined. When viewin

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Secondulfo, Laura, Melissa T. Hooijmans, Joep J. Suskens, et al. "A diffusion tensor-based method facilitating volumetric assessment of fiber orientations in skeletal muscle." PLOS ONE 17, no. 1 (2022): e0261777. http://dx.doi.org/10.1371/journal.pone.0261777.

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Background The purpose of this study was to develop a DTI-based method to quantitatively assess fiber angles and changes therein in leg muscles in order to facilitate longitudinal studies on muscle fiber architectural adaptations in healthy subjects. Methods The upper legs of five volunteers were scanned twice on the same day. The right lower legs of five volunteers were scanned twice with the ankle in three positions, i.e. -15° dorsiflexion, 0° neutral position, and 30° plantarflexion. The MRI protocols consisted of a noise scan, a 3-point mDixon scan and a DTI scan. Fiber-angle color maps we

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Manickavasagam, V. M., B. Vijaya Ramnath, C. Elanchezhian, J. Jenish, S. Jayavel, and V. Muthukumar. "Investigation on Impact and Compression Properties of Pineapple Reinforced Polymer Composite." Applied Mechanics and Materials 591 (July 2014): 116–19. http://dx.doi.org/10.4028/www.scientific.net/amm.591.116.

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The Natural fiber composites form a combination of plant derived fibers with plastic binders (Polymer matrices). The fibers form the fillers or reinforcements of the composite and the matrix is the continuous phase. In general, fibers are principal load carrying members while the surrounding matrix keeps them in the desired position, acts as a load transfer medium between them. So fibers with good strength and modulus and having good bonding with matrix should be used to a produce a good quality composite material [1-3]. The mechanical efficiency of a fiber composite depends on the adhesion be

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Erkliğ, Ahmet, Mehmet Bulut, and Eyüp Yeter. "Natural frequency response of laminated hybrid composite beams with and without cutouts." Journal of Polymer Engineering 34, no. 9 (2014): 851–57. http://dx.doi.org/10.1515/polyeng-2014-0061.

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Abstract This study deals with the effect of hybridization on the natural frequency of woven laminated hybrid composite beams with and without cutouts under the clamped-free boundary condition. Woven carbon, Kevlar and S-glass fibers with epoxy were used for the production of hybrid composites. Natural frequencies of the hybrid composite beams were experimentally determined for [(0/90)3]S stacking sequence. Numerical analyses were performed to investigate the influences of fiber orientation angles, circular and rectangular cutouts, cutout size ratios and positions on natural frequency. Good ag

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Rusiecka, K., R. Hetzel, J. Kasper, et al. "A systematic study of LYSO:Ce, LuAG:Ce and GAGG:Ce scintillating fibers properties." Journal of Instrumentation 16, no. 11 (2021): P11006. http://dx.doi.org/10.1088/1748-0221/16/11/p11006.

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Abstract Properties of different scintillating fibers were examined and compared, as a part of the design optimization of the SiFi-CC detector, currently under development for proton therapy monitoring. Three scintillating materials were considered as candidates to constitute the active part of the detector: LYSO:Ce, LuAG:Ce and GAGG:Ce. All investigated samples had an elongated, fiber-like shape and were read out on both ends using silicon photomultipliers (SiPMs). Samples of LYSO:Ce material provided by four different manufacturers were included in the survey. Additionally, different types o

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Wen, Wei Dong, Jian Li, Hai Tao Cui, Ying Xu, and Hong Jian Zhang. "Strain Characteristic of Filament Wound Composite Cylinder under Axial Loading." Advanced Materials Research 415-417 (December 2011): 395–98. http://dx.doi.org/10.4028/www.scientific.net/amr.415-417.395.

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Experimental investigations were performed on strain characteristic of filament wound composite cylinder. Cylinders are wound with S-1 glass fiber and epoxy resin, and then subjected to an axial tension. During loading, strains at three fiber crossing position and one laminate region on cylinder’s surface are measured by gauges for better understanding strain field. For all specimens, strains at fiber crossing positions are larger than that of laminate region. This indicates that fiber undulation caused by winding process affects mechanical response of filament wound composites.

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Wu, Jinrong, Rongbao Hong, and Chenbin Gu. "Influence of Fiber Type on Low-Temperature Fracture Performance of Presawed Asphalt Mixture Beams." Advances in Materials Science and Engineering 2018 (August 28, 2018): 1–7. http://dx.doi.org/10.1155/2018/5087395.

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In order to improve the durability of asphalt pavement, low-temperature fracture performance of AC-13 asphalt mixture with different fiber types were studied by three-point bending fracture test under different temperatures and presawed positions. Test results show that the improvement effect of basalt fiber is obvious and stable. The improvement effect of polyester fiber is not obvious to resist I crack, and the resistance effect of I-II compound crack is obvious. Lignin fiber mixed in the asphalt mixture has no obvious effect on improving the crack resistance property under low temperature.

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39

Ma, Chunyan, Yanbiao Liu, Fang Li, et al. "CFD simulations of fiber-fiber interaction in a hollow fiber membrane bundle: Fiber distance and position matters." Separation and Purification Technology 209 (January 2019): 707–13. http://dx.doi.org/10.1016/j.seppur.2018.09.029.

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Zhao, Xueqiang, Yunpeng Zhang, Minjie Huang, et al. "Analysis of detection error for spot position in fiber nutation model." Chinese Optics Letters 18, no. 2 (2020): 020604. http://dx.doi.org/10.3788/col202018.020604.

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Faizah, Ariyani, Dendi Murdiyanto, Yulita Nur Widyawati, and Narawidya Laksmi Dewi. "Effects of silkworm fiber position on flexural and compressive properties of silk fiber-reinforced composites." Dental Journal (Majalah Kedokteran Gigi) 51, no. 2 (2018): 57. http://dx.doi.org/10.20473/j.djmkg.v51.i2.p57-61.

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Background: Fiber-reinforced composites represent a combination of fiber-reinforced composite materials. The availability of fiber within dentistry in Indonesia is limited and, therefore, requires lengthy advance ordering. The increasing use of fiber derived from natural materials, such as silk, is of greater concern due to its considerable mechanical strength, biocompatibility and wider availability. The application of fiber will increase the mechanical strength of fiber-reinforced composites, including both flexural and compression strength. One factor affecting the mechanical strength of fi

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Володарський, Євген Тимофійович, and Олег Миколайович Юдін. "Methodological characteristics of fiber-optical position sensors." MECHANICS OF GYROSCOPIC SYSTEMS, no. 34 (December 29, 2017): 66–72. http://dx.doi.org/10.20535/0203-3771342017130248.

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Weiss, J. D. "Impurity-doped fiber-optic shock position sensor." Journal of Lightwave Technology 12, no. 10 (1994): 1891–96. http://dx.doi.org/10.1109/50.337504.

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Aiestaran, P., V. Dominguez, J. Arrue, and J. Zubia. "A fluorescent linear optical fiber position sensor." Optical Materials 31, no. 7 (2009): 1101–4. http://dx.doi.org/10.1016/j.optmat.2007.12.022.

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Chen, Jian-Jun, Zhong-Rui Bai, A.-Li Luo, and Yong-Heng Zhao. "Measuring fiber position errors from spectral data." Research in Astronomy and Astrophysics 15, no. 4 (2015): 608–16. http://dx.doi.org/10.1088/1674-4527/15/4/012.

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Agoritsas, V., N. Akchurin, O. Bing, et al. "Scintillating fiber hodoscopes using position-sensitive photomultipliers." Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 372, no. 1-2 (1996): 63–69. http://dx.doi.org/10.1016/0168-9002(95)01023-8.

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Huggins, R. W., G. L. Abbas, C. S. Hong, G. E. Miller, C. R. Porter, and B. Van Deventer. "Fiber-coupled position sensors for aerospace applications." Optics and Lasers in Engineering 16, no. 2-3 (1992): 79–103. http://dx.doi.org/10.1016/0143-8166(92)90002-o.

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Maharani, Adella Syvia, Widjijono Widjijono, and Endang Wahyuningtyas. "Effect of glass fiber non-dental’s length and position on the flexural strength of FRC." Majalah Kedokteran Gigi Indonesia 1, no. 1 (2019): 39. http://dx.doi.org/10.22146/majkedgiind.40074.

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Glass fiber non-dental has a similar composition to E-glass fiber dental that commonly used as fiber reinforced composite (FRC) materials in resin bonded prosthesis. Fiber effectiveness can be determined by the length and the position. The aim of this study was to examine the effect of glass fiber non dental’s length and position on the flexural strength of FRC in resin bonded prosthesis. This study has been done used 36 FRC samples with beam shaped (15 mm x 2 mm x 2 mm). Fiber reinforced composite samples were consisted of 9 groups (a combination between length: 4 mm, 6 mm, and 12 mm and posi

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Uzan, Audrey, Paul Chiron, Frédéric Panthier, et al. "Comparison of Holmium:YAG and Thulium Fiber Lasers on the Risk of Laser Fiber Fracture." Journal of Clinical Medicine 10, no. 13 (2021): 2960. http://dx.doi.org/10.3390/jcm10132960.

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Objectives: To compare the risk of laser fiber fracture between Ho:YAG laser and Thulium Fiber Laser (TFL) with different laser fiber diameters, laser settings, and fiber bending radii. METHODS: Lengths of 200, 272, and 365 μm single use fibers were used with a 30 W Ho:YAG laser and a 50 W Super Pulsed TFL. Laser fibers of 150 µm length were also tested with the TFL only. Five different increasingly smaller bend radii were tested: 1, 0.9, 0.75, 0.6, and 0.45 cm. A total of 13 different laser settings were tested for the Ho:YAG laser: six fragmentation settings with a short pulse duration, and

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McLoon, Linda K., Han na Park, Jong-Hee Kim, Fatima Pedrosa-Domellöf, and LaDora V. Thompson. "A continuum of myofibers in adult rabbit extraocular muscle: force, shortening velocity, and patterns of myosin heavy chain colocalization." Journal of Applied Physiology 111, no. 4 (2011): 1178–89. http://dx.doi.org/10.1152/japplphysiol.00368.2011.

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Extraocular muscle (EOM) myofibers do not fit the traditional fiber typing classifications normally used in noncranial skeletal muscle, in part, due to the complexity of their individual myofibers. With single skinned myofibers isolated from rectus muscles of normal adult rabbits, force and shortening velocity were determined for 220 fibers. Each fiber was examined for myosin heavy chain (MyHC) isoform composition by densitometric analysis of electrophoresis gels. Rectus muscle serial sections were examined for coexpression of eight MyHC isoforms. A continuum was seen in single myofiber shorte

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