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Articles de revues sur le sujet « Base fiber »

Auteur : Grafiati

Publié le 2 juin 2025

Mis à jour le 31 juillet 2025

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1

Rubio, J., F. Rubio, J. L. Fierro, M. C. Gutierrez, and J. L. Oteo. "Surface characterization of carbon fibers by inverse gas chromatography at low pressures." Journal of Materials Research 17, no. 2 (2002): 413–22. http://dx.doi.org/10.1557/jmr.2002.0058.

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Carbon fiber surfaces were analyzed by inverse gas chromatography (IGC) and x-ray photoelectron spectroscopy (XPS). IGC measurements were carried out at infinite and finite dilution by using neutral and specific probes. At infinite dilution the dispersive component of the surface free energy and the acid–base indexes were obtained. At finite dilution the energy distribution functions were calculated. Three carbon fibers were analyzed, one untreated and two fibers treated with different sizings. The fibers have similar dispersive components of surface free energy but their acid–base characteris

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Chen, Dar-Hao, Younho Rew, Anand Bajarang Tapase, and William Crockford. "Experimental study of base stabilization with fibrillated fiber." International Journal of Pavement Research and Technology 13, no. 6 (2020): 591–600. http://dx.doi.org/10.1007/s42947-020-6005-6.

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AbstractPotential benefits in applying polypropylene fiber to stabilize expansive soils and cement treated bases is already been reported in previous studies. So a critical need exists to incorporate the use of fiber into the Texas Department of Transportation’s (TxDOT’s) Guidelines for Modification and Stabilization of Soils and Base for Use in Pavement Structures. The present paper discusses the results collected from the first experimental test section on FM897 in the TxDOT Paris District. Three 500-ft (152.4m) test sections were constructed with 2 percent cement on FM897 in February 2020 i

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Bagchi, Susmit. "Topological Analysis of Fibrations in Multidimensional (C, R) Space." Symmetry 12, no. 12 (2020): 2049. http://dx.doi.org/10.3390/sym12122049.

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A holomorphically fibred space generates locally trivial bundles with positive dimensional fibers. This paper proposes two varieties of fibrations (compact and non-compact) in the non-uniformly scalable quasinormed topological (C, R) space admitting cylindrically symmetric continuous functions. The projective base space is dense, containing a complex plane, and the corresponding surjective fiber projection on the base space can be fixed at any point on real subspace. The contact category fibers support multiple oriented singularities of piecewise continuous functions within the topological spa

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Long, Robert L., Christopher D. Delhom, and Michael P. Bange. "Effects of cotton genotype, defoliation timing and season on fiber cross-sectional properties and yarn performance." Textile Research Journal 91, no. 17-18 (2021): 1943–56. http://dx.doi.org/10.1177/0040517521992769.

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Cotton fiber cross-sectional properties influence the performance of ring spun yarns. The spinning performance of two Gossypium hirsutum L. Upland cotton genotypes known to have inherently different fiber fineness properties were compared. Genotypes were grown together in field experiments conducted over two growing seasons, and crops were subjected to early and late defoliation treatments. The aim was to quantify the differences in yarn properties following changes targeting fiber fineness properties in isolation from other fiber properties. For the first time, the percentage difference in ya

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Fedorov, Valeriy, and Aleksey Mestnikov. "Influence of cellulose fibers on structure and properties of fiber reinforced foam concrete." MATEC Web of Conferences 143 (2018): 02008. http://dx.doi.org/10.1051/matecconf/201814302008.

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One of the promising means of foamed concrete quality improvement is micro-reinforcement by adding synthetic and mineral fibers to the base mix. This research is the first to investigate peculiarities of using recycled cellulose fiber extracted from waste paper for obtaining fiber reinforced foam concrete. The paper presents results of experimental research on the influence of cellulose fibers on structure and properties of fiber reinforced foam concrete by using methods of chemical analysis and scanning electron microscopy. The research determines peculiarities of new formations appearance an

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Abdulirees Jebur, Mustafa, Seyed Sadra Kashef, Mc Amirani, and M. H. Mezher. "Design and Fabrication an optical sensor devices base on graphene oxide." Data and Metadata 4 (April 1, 2025): 875. https://doi.org/10.56294/dm2025875.

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Contamination of oil, particularly by dissolved water, is a very common problem in the failure of step-down transformers used by electricity providers as this degrades the insulating property of the oil. In this paper, the use of D-shaped optical fibers functionalized with Graphene Oxide is presented to detect the water content in transformer oil. The synthesis of graphene oxide was achieved by a modified version of Hummer's method. Subsequently, the drop-casting process was used to apply the graphene oxide onto the D-shaped fibre. The coating thickness attained in the samples was around 200 n

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Weima, Samuël A. M., Reza Norouzikudiani, Jaeryang Baek, et al. "Human interactive liquid crystal fiber arrays." Science Advances 10 (September 6, 2024): eadp0421. https://doi.org/10.1126/sciadv.adp0421.

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This paper presents interactive liquid crystal fiber arrays that can actuate in a way perceptible by human touch. The fibers are actuated via a computer interface, enabling precise control over actuation direction, magnitude, and frequency. Unlike conventional methods, our technique initiates the actuation at the base of the fibers, which is enabled by fabricating the fibers directly onto an electrical circuit. Fiber actuation is achieved by localized addressing of an in situ formed radially aligned segment. This induces reduction in the scalar order parameter and leads to deformation of the f

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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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Arulmurugan, P. "Evaluation of FRC Beams Using Steel and PVA Fibres in Concrete." International Journal of Advance Research and Innovation 6, no. 4 (2018): 69–77. http://dx.doi.org/10.51976/ijari.641809.

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The conventional concrete is enhanced by the addition of fibers in it. The brittleness in concrete is reduced and the adequate ductility of concrete is ensured by the addition of fibers in concrete. The fibers used are polyvinyl alcohol powders and steel fibers in various volume combinations. The main reason for adding fiber to concrete matrix is to find its compressive strength, split tensile strength, flexural strength and deflection test. The base polyvinyl alcohol is highly resistant to the majority of aggressive agent and will never oxidize when exposed to the condition which causes the s

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Dr., E.N. Ganesh. "Analysis of Fracture and Toughness of a Denture Base with Polyvinyl Fibers." International Journal of Advanced Pharmaceutical Sciences and Research (IJAPSR) 2, no. 2 (2022): 1–4. https://doi.org/10.54105/ijapsr.C4004.022222.

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<strong>Abstract:</strong> Fracture resistance of polymer reinforced with short fibers consists of a sum of contributions from matrix and fiber fracture, fiber de-bonding and pull-out. The existing models for predicting dependence of fracture toughness on structural variables were derived for the commercially important fiber volume fractions, i.e., for vf≥0.1. In this contribution, modification of the existing model for the dependence of the critical strain energy release rate, GIC, on the fiber type, length and aspect ratio, interfacial adhesion and volume fraction has been attempted to al

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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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Bouaziz, Djamila, Grégoire Chabrol, Assia Guessoum, Nacer-Eddine Demagh, and Sylvain Lecler. "Photonic Jet-Shaped Optical Fiber Tips versus Lensed Fibers." Photonics 8, no. 9 (2021): 373. http://dx.doi.org/10.3390/photonics8090373.

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Shaped optical fiber tips have recently attracted a lot of interest for photonic jet light focusing due to their easy manipulation to scan a sample. However, lensed optical fibers are not new. This study analyzes how fiber tip parameters can be used to control focusing properties. Our study shows that the configurations to generate a photonic jet (PJ) can clearly be distinguished from more classical-lensed fibers focusing. PJ is a highly concentrated, propagative light beam, with a full width at half maximum (FWHM) that can be lower than the diffraction limit. According to the simulations, the

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Tavares, Fatima, Teresa Quilhó, and Helena Pereira. "Wood and bark fiber characteristics of Acacia melanoxylon and comparison to Eucalyptus globules." CERNE 17, no. 1 (2011): 61–68. http://dx.doi.org/10.1590/s0104-77602011000100007.

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Wood and bark fibers of Acacia melanoxylon were characterized and compared to Eucalyptus globulus which is a major quality source of pulp fibers. In 20 trees from four sites, fiber length and wall thickness were measured at 5, 35 and 65% of total tree height and at 10, 30, 50, 70 and 90% of the distance from pith. Maceration were prepared in a 1:1 glacial acetic acid:hydrogen peroxide solution. Wood and bark fiber length varied between 0.90 - 0.96 mm and 1.33 - 1.59 mm respectively. The cell wall thickness varied between 3.45 - 3.89 µm in wood and 5.01 - 5.40 µm in bark. Wood and bark fiber le

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Liu, Xiaoyan, Shihao Yan, and Lulu Liu. "Reinforcement of Silty Soil via Regenerated Fiber Polymer: A Study on Microscopic Mechanisms." Materials 16, no. 20 (2023): 6741. http://dx.doi.org/10.3390/ma16206741.

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Utilizing regenerated polyester fibers (RPFs) for the reinforcement of silty road bases not only enhances the soil’s engineering performance but also offers a sustainable method for repurposing waste polyester bottles. To investigate the engineering properties and microscopic behaviors of this reinforced silty soil, a series of extensive physico-mechanical tests were conducted, supplemented by Scanning Electron Microscopy (SEM) analyses. These evaluations focused on the influence of variables such as fiber content, fiber length, moisture content, and curing duration on the modified soil’s perf

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Tan, Jiafu, Sally-Anne Walford, Elizabeth S. Dennis, and Danny J. Llewellyn. "Trichomes at the Base of the Petal Are Regulated by the Same Transcription Factors as Cotton Seed Fibers." Plant and Cell Physiology 61, no. 9 (2020): 1590–99. http://dx.doi.org/10.1093/pcp/pcaa082.

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Abstract Many polypetalous plants have a constriction at the base of the petal that leaves a small gap that can provide entry into the young flower bud before the reproductive organs are fully developed. In cotton (Gossypium hirsutum L.), this gap is occluded by tufts of short unicellular trichomes superficially resembling the fibers found on cotton seeds. We are just beginning to understand the developmental regulation of the seed fibers and have previously characterized several MIXTA-like MYB transcription factors (TFs) that are critical for correct seed fiber development but know little abo

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Sathish, T., Kumaran Palani, L. Natrayan, Anjibabu Merneedi, Melvin Victor De Poures, and Dinesh Kumar Singaravelu. "Synthesis and Characterization of Polypropylene/Ramie Fiber with Hemp Fiber and Coir Fiber Natural Biopolymer Composite for Biomedical Application." International Journal of Polymer Science 2021 (September 17, 2021): 1–8. http://dx.doi.org/10.1155/2021/2462873.

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In the current scenario, many natural fibers available in the world can be used in various applications in the day-to-day life of biomedical products, automobile parts, industrial products, etc. Biocomposites can replace or serve as a framework allowing the regeneration of traumatized, degenerated tissues, and organs, thus, improving the patients’ quality of life. This research work is aimed at fabricating and investigating the natural biopolymer composites for biomedical applications. There are two sets of fiber composites fabricated in this research work. Ramie fiber considers a common base

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Shen, Cheng, Zhengguang Wu, Peng Xiao, Aihong Kang, and Yangbo Wang. "Experimental Research on the Anti-Reflection Crack Performance of Basalt Fiber Modified Rubber Asphalt Stress-Absorbing Layer." Materials 17, no. 9 (2024): 2013. http://dx.doi.org/10.3390/ma17092013.

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Reflection cracks are one of the most common problems in semi-rigid base pavement. Setting a stress absorption layer can effectively delay the occurrence of reflection cracks, but further improvement is still needed in its interlayer bonding performance and anti-reflection crack performance. Considering the excellent crack resistance of basalt fibers and the good elastic recovery ability of rubber asphalt, it is considered worthwhile to incorporate them into traditional stress absorption layers to improve performance. To simulate the actual pavement layer effect, composite specimens consisting

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S M, Kabir. "The Mechanical Characterization of Recycled Milled Basalt Fiber Fillers on Flexural Properties of Natural Fiber Reinforced Polymer Composites for Sustainable Developments and High-Performance Industrial Applications." INTERNATIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 09, no. 05 (2025): 1–9. https://doi.org/10.55041/ijsrem49119.

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Abstract— The aerospace, automotive, and energy industries can use fiber-reinforced polymer composites due to their high specific strength and stiffness. However, unexpected external impacts in work cause internal damage and residual strength loss in composite structures. Another ongoing issue is the sustainable management of composite materials' end-of-life. This research paper describes the mechanical characterization of recycled milled basalt fiber fillers on flexural properties of Natural Fibre Reinforced Polymer Composites for Sustainable Developments and Industrial Applications. An optim

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Drechsler, Astrid, Ralf Frenzel, Anja Caspari, et al. "Surface Modification of Polymeric Fibers to Control the Interactions with Cement-Based Matrices in Fiber-Reinforced Composites." Key Engineering Materials 809 (June 2019): 225–30. http://dx.doi.org/10.4028/www.scientific.net/kem.809.225.

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There is evidence that the fiber-matrix interaction in fiber-reinforced cementitious composites is determined by the wettability and roughness of the fibers. Due to the high ionic strength in the hydrated cement, also the surface charge or acid/base behavior of the fibers is assumed to play a role. To create fibers with alkaline and acidic surface functionalities, water-insoluble poly (vinyl alcohol) fibers were permanently modified by adsorption of various polyelectrolytes. X-ray photoelectron spectroscopy, zeta potential, and contact angle measurements revealed acidic, alkaline or amphoteric

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Borisova, E. V., Boris I. Galagan, Irina V. Zhluktova, Vasiliy V. Koltashev, Anastasiya A. Ponosova, and Sergei E. Sverchkov. "Components development for mid-infrared chalcogenide fiber glass lasers." Applied photonics 10, no. 5 (2023): 51–57. http://dx.doi.org/10.15593/2411-4375/2023.5.03.

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The paper considers methods and approaches in the creation of the element base for chalcogenide fiber lasers. The results of research on Bragg grating recording and splicing of chalcogenide fibers are given.

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Adi Waluyo, Suryono, Wahidin Nuriana, and Mustafa. "Analisis Komposit Serat Daun Pandan Alas Dan Serbuk Kayu Jati Dengan Resin Polyester Terhadap Kekuatan Tarik Dan Daya Serap Air." JURNAL PILAR TEKNOLOGI Jurnal Ilmiah Ilmu Ilmu Teknik 7, no. 1 (2022): 11–17. http://dx.doi.org/10.33319/piltek.v7i1.117.

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Abstract— Pandanus fiber and teak sawdust were waste products that were abundant in availability, but have not been used optimally. Base pandanus fiber and teak sawdust were used as alternative reinforcement for composite materials. The purpose of this study was to test the tensile strength and water absorption of composites reinforced with base pandan fiber and teak sawdust with polyester resin as a matrix. This composite was made by hand lay up technique with variations in the volume fraction of coconut fiber fibers of 10%, 20%, 30%, 30%, 20%, 10% teak sawdust, 60% polyester resin with rando

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Salih, Sihama I., Jawad K. Oleiwi, and Hwazen S. Fadhil. "Preparation and Investigation of some Properties of Acrylic Resin Reinforced with Siwak Fiber Used for Denture Base Applications." Kurdistan Journal of Applied Research 2, no. 3 (2017): 309–14. http://dx.doi.org/10.24017/science.2017.3.53.

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Natural fibers have recently become attractive to researchers due to their low cost, fairly good mechanical properties, high specific strength, non-abrasive, eco-friendly, bio-degradability and biocompatibility characteristics, they are exploited as a replacement for the conventional fibers, such as glass, aramid and carbon. This study investigated the influence of fiber length and weight fraction of natural siwak fiber, with the selected length of (2, 6 and 12 mm) and weight fraction (3, 6 and 9 wt %), on some of mechanical and physical properties such as (tensile, impact and hardness), in ad

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Li, Dan Xi, and Quan Xiao Liu. "Characterization of Mercerized Straw Pulp Fiber." Advanced Materials Research 1030-1032 (September 2014): 450–53. http://dx.doi.org/10.4028/www.scientific.net/amr.1030-1032.450.

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On the base of the former research of mercerization of pulp fibers, SEM, XRD and Automated Surface Area & Pore Size Analyzer were used to characterize surface morphology, crystalline property, and specific surface area and the pore size distribution of fibers. The results show that the fiber cell wall swelling, degree of crystallinity decrease and specific surface area and pore size distribution increase after mercerization.

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Hu, Cheng, Xingzhong Weng, Cong Liu, Le Jiang, Junzhong Liu, and Wenlei Li. "Performance of Polypropylene Fiber-Reinforced Solidified Soil." Advances in Civil Engineering 2021 (April 7, 2021): 1–16. http://dx.doi.org/10.1155/2021/8859358.

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Urgent repair and construction of airstrips is a research hotspot in global airport engineering. Selecting the proper structural materials is a key component of the airstrip repair process. First, with unconfined compressive strength and splitting tensile strength, the fiber length and content of polypropylene (PP) fiber-reinforced solidified soil were optimized. Then, using a scanning electron microscope, the reinforcing mechanism of PP fiber on soil and the influence mechanism of fiber parameters on fiber-reinforced soil were discussed and analyzed. Lastly, a full-scale test section was pave

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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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Lin, Jia-Horng, Chen-Hung Huang, Ching-Wen Lin, and Ching Wen Lou. "Manufacturing Technique of Heat-Insulating and Flame-Retardant Three-Dimensional Composite Base Fabrics." Journal of Engineered Fibers and Fabrics 8, no. 1 (2013): 155892501300800. http://dx.doi.org/10.1177/155892501300800114.

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In this research, we create a PET/TPU/PU composite base fabric from a PET nonwoven base fabric, a TPU honeycomb grid, and a PU foam plank. First, the PET base fabric is made from 7D three-dimensional-hollow-crimp fiber (7D PET) and low-melting-point (low-Tm) fibers with weight ratio and number of lamination layers as the parameters. The hardness and rebound resilience rate of the PET nonwoven base fabric are 71% and 63.5%, respectively. The PET nonwoven base fabric's optimum air permeability is 240 cm3/s/cm2. The maximum tensile strength of the PET nonwoven base fabric with 9 layers of laminat

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Han, Jing, Bingang Xu, and Zihua Li. "Study on Hierarchically Buckled Surface Regulation for Stretchable Porous Microarchitectures Fibers." Journal of Physics: Conference Series 2587, no. 1 (2023): 012076. http://dx.doi.org/10.1088/1742-6596/2587/1/012076.

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Abstract Breath figure technology’s potential for surface modification of fibers to enable new functions in wearables is attractive. However, the development of extensible, multifunctional elastic fibers with hierarchically porous architectures remains a difficulty. We study a new technique for fiber surface modification based on the modified breath figure technique, which includes material selection, interfacial self-assembly, and pre-stretch ratio. The fabricated hierarchically porous elastic fibers exhibit features like finger joint buckled skin and a unique stretchable buckled porous struc

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Zhou, Jinfeng, Jingan Wang, Jinliang Wei, and Bugao Xu. "Extracting fiber length distributions from dual-beard fibrographs with the Levenberg–Marquardt algorithm." Textile Research Journal 90, no. 1 (2019): 37–48. http://dx.doi.org/10.1177/0040517519858762.

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Fiber length is a critical cotton fiber property that impacts yarn strength, yarn evenness, and ultimately fabric strength and appearance. In this paper, a new fiber fibrograph method was presented for accurate measurements of fiber length distributions (FLDs). The method, called the dual-beard fibrograph (DBF), was based on the transmission image of a combed sample with two tapered fiber ends/beards, and the approximation of the fibrograph with a series of triangular base functions. A desktop scanner was used to generate the transmission image of a dual-beard sample, and essential image-proce

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Dahar, Eddy, and Raudhatul Husna. "PENGARUH PENAMBAHAN ZIRKONIUM OKSIDA DAN SERAT POLIPROPILEN TERHADAP KEKUATAN IMPAK DAN TRANSVERSAL BAHAN BASIS GIGI TIRUAN RESIN AKRILIK POLIMERISASI PANAS." Jurnal Ilmiah PANNMED (Pharmacist, Analyst, Nurse, Nutrition, Midwivery, Environment, Dentist) 12, no. 2 (2018): 177–82. http://dx.doi.org/10.36911/pannmed.v12i2.21.

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Heat polymerized acrylic resin is the most common material used for making denture base because of it’s advantages. However, this material still hasn’t fulfill all the ideal requirements as a denture base. Some disadvantages that need to be fixed are low impact and transverse strength causing an easy base of fracture. Several attempts were made to improve the mechanical properties of heat polymerized acrylic resin materials by adding reinforcing materials. Zirconium oxide is one of chemical group that can be used as a reinforcing material and polypropylene fiber which is including in fiber rei

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M. Zarei, F. Akbarinia, Z. Rahmani, M. Zahedi, and A. Zarei. "Economical and Technical Study on the Effect of Carbon Fiber with High Strength on Hot Mix Asphalt (HMA)." Electronic Journal of Structural Engineering 20 (June 1, 2020): 6–12. http://dx.doi.org/10.56748/ejse.20240.

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In this article by adding different percentages of carbon fiber with high strength and doing the necessary Marshall tests, it was observed that the Marshall Resistance and its Flow increased. Due to their armed properties, the carbon fibers have a positive effect on Marshall Resistance. According to the results, in-creasing the percentage of fibers, reduces the resistance, so that the resistance of the sample containing 1.5% of carbon fiber is almost 32% more than the resistance of the sample without fiber. According to the results, the increased resistance compared to the previous researches

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Lee, Chang Joon, Andres Salas Montoya, Hoon Moon, Hyunwook Kim, and Chul-Woo Chung. "The Influence of the Hybridization of Steel and Polyolefin Fiber on the Mechanical Properties of Base Concrete Designed for Marine Shotcreting Purposes." Applied Sciences 11, no. 20 (2021): 9456. http://dx.doi.org/10.3390/app11209456.

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The present study investigated the influence of the hybridization of steel and polyolefin fiber on the mechanical performance and chloride ion penetration of base concrete designed for marine shotcreting purposes. The purpose of fiber hybridization is to reduce the risk of corrosion that might occur during service life. Sets of hybrid fiber reinforced base concrete, whose water to binder ratio was 0.338, were prepared. The fiber contents in the base concrete were 0.54 and 1.08 vol%, and the volume proportion of polyolefin fiber in the hybrid fiber varied from 0 to 100%. Although the effect of

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Ganesh, Dr E. N. "Analysis of Fracture and Toughness of a Denture Base with Polyvinyl Fibers." International Journal of Advanced Pharmaceutical Sciences and Research 2, no. 2 (2022): 1–4. http://dx.doi.org/10.54105/ijapsr.b4004.022222.

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Fracture resistance of polymer reinforced with short fibers consists of a sum of contributions from matrix and fiber fracture, fiber de-bonding and pull-out. The existing models for predicting dependence of fracture toughness on structural variables were derived for the commercially important fiber volume fractions, i.e., for vf≥0.1. In this contribution, modification of the existing model for the dependence of the critical strain energy release rate, GIC, on the fiber type, length and aspect ratio, interfacial adhesion and volume fraction has been attempted to allow predictions at low vf <

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Ganesh, Dr E. N. "Analysis of Fracture and Toughness of a Denture Base with Polyvinyl Fibers." International Journal of Advanced Pharmaceutical Sciences and Research 2, no. 2 (2022): 1–4. http://dx.doi.org/10.54105/ijapsr.c4004.022222.

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Fracture resistance of polymer reinforced with short fibers consists of a sum of contributions from matrix and fiber fracture, fiber de-bonding and pull-out. The existing models for predicting dependence of fracture toughness on structural variables were derived for the commercially important fiber volume fractions, i.e., for vf≥0.1. In this contribution, modification of the existing model for the dependence of the critical strain energy release rate, GIC, on the fiber type, length and aspect ratio, interfacial adhesion and volume fraction has been attempted to allow predictions at low vf <

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Hannon, Samar Abbas, Wafaa A. Hussain, and Selma M. Hussain. "Studying the Impact Strength of Layered Denture Base Resin." Iraqi Journal of Physics (IJP) 18, no. 44 (2020): 25–32. http://dx.doi.org/10.30723/ijp.v18i44.495.

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This paper displays the effect of uncoated and coated chopped carbon fibers with alumina Al2O3 or Tri calcium phosphate (TCP) on the impact strength of acrylic poly methyl methacrylate (PMMA) denture base resin. To improve bonding between carbon fibers and coating materials powders, the surface of carbon fibers has been treated with Para amino benzoic acid (C9H10N2O3) and poly vinyl alcohol (PVA) was also used. The morphology of the coating layers has been examined by field emission scanning electron microscope (FE-SEM). From the results, PMMA reinforced with uncoated chopped carbon fiber has

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Parpiyev, Umidjon Meliyevich, Chinnigul Abdusalom qizi Xushnazarova, Abdulaziz Abdulhakim o'g'li Ikromov, and Muxammadrasul Azimjon o'g'li Sobirov. "Utilization of the structure, chemical composition, and physical-mechanical properties of natural leather produced from animal hides." Multidisciplinary Journal of Science and Technology 5, no. 5 (2025): 383–85. https://doi.org/10.5281/zenodo.15383017.

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In this article, skin diseases and the structure of the skin before animal skinning in our country, lining and base materials, the main indicators of the structure of the mesh layer of the skin, the angle of inclination of the fiber bundles to the horizontal, the compactness of their laying, the degree and thickness of the separation of the bundles into fibers and fibers, fiber the angle of inclination of the bundles reveals the importance of the dominant direction of the location of most of the bundles of fibers in the reticular layer.

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BRESKVAR, KAJA, JURE AHTIK, and KLEMEN MOŽINA. "CRACKING PHENOMENA OF COATINGS ON LABEL PAPERS." Cellulose Chemistry and Technology 55, no. 3-4 (2021): 289–97. http://dx.doi.org/10.35812/cellulosechemtechnol.2021.55.29.

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"The phenomenon of paper coating cracking when folded was studied. Coating mixtures were compared according to their composition, applied on different base paper, to find which combinations of the constituents of the base paper and the paper coating results in a lower tendency towards fold cracking of the coating layer. It was shown that the appropriate selection of pigments (calcium carbonate, kaolin) and binders (starch, latex), whose elastic behavior extensively influences the deformation of paper under physical and mechanical stress, is of central importance. The choice of the base paper p

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37

Nelson, G., P. F. Hamlyn, L. Holden, and B. J. McCarthy. "A Species-Specific DNA Probe for Goat Fiber Identification." Textile Research Journal 62, no. 10 (1992): 590–95. http://dx.doi.org/10.1177/004051759206201006.

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The development of a species-specific DNA probe for identifying goat (e.g., cashmere and mohair) fibers is described. A 54-base oligonucleotide probe hybridizes with single stranded target goat fiber DNA under conditions of low stringency. DNA isolated from as little as 100 mg of raw goat fiber can be clearly detected. Visualization of the DNA isolated from a 100% cashmere processed garment is also demonstrated.

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Komiya, Yoshiki, Fumihiko Nabeshima, and Hiroshi Izui. "Fabrication of Iron-Base Shape Memory Alloy Fiber Reinforced Aluminum by Spark Plasma Sintering." Materials Science Forum 828-829 (August 2015): 152–57. http://dx.doi.org/10.4028/www.scientific.net/msf.828-829.152.

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Aluminum was composited with iron-base shape memory alloy (SMA) fiber. It is important to join between matrix metal and reinforced SMA fiber successfully. Matrix metal can obtain compressive residual stress caused by shape memory effect of SMA fiber without strong interface. In this study, aluminum matrix composite reinforced by iron-base SMA fiber was fabricated by Spark Plasma Sintering (SPS). At this method, sintering of hard-to-sinter materials (Al and Ti), junction of flame bonding materials is easy. The pure aluminum powder with iron-base SMA fiber was joined at 773K. As a result, interm

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Feng, Huu, Dan Ying Gao, and Jian Song Yuan. "The Mechanical Properties of Polypropylene Fiber Reinforced Polymer Modified Cement Mortar." Applied Mechanics and Materials 438-439 (October 2013): 283–89. http://dx.doi.org/10.4028/www.scientific.net/amm.438-439.283.

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Combining the effect of polypropylene fibers, such as the decrease of cement base material shrinkage and plastic crack, and the increase of material toughness, with the improvement of polymer on the interface between the fiber and matrix, both polypropylene fibers and polymer modifier were used in the cement mortar at the same time to make more excellent cement mortar materials. The improvement for cement mortar from different length of polypropylene fiber, polymer modifier (waterborne epoxy emulsion), mineral powder and silica ash were studied. Results showed that compared with the short fibe

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Wie, Chu-Ryang. "Two-Qubit Bloch Sphere." Physics 2, no. 3 (2020): 383–96. http://dx.doi.org/10.3390/physics2030021.

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Three unit spheres were used to represent the two-qubit pure states. The three spheres are named the base sphere, entanglement sphere, and fiber sphere. The base sphere and entanglement sphere represent the reduced density matrix of the base qubit and the non-local entanglement measure, concurrence, while the fiber sphere represents the fiber qubit via a simple rotation under a local single-qubit unitary operation; however, in an entangled bipartite state, the fiber sphere has no information on the reduced density matrix of the fiber qubit. When the bipartite state becomes separable, the base

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Cáceres, Gustavo de Abreu, Tales de Vargas Lisbôa, Cindy Elschner, and Axel Spickenheuer. "Experimental Global Warming Potential-Weighted Specific Stiffness Comparison among Different Natural and Synthetic Fibers in a Composite Component Manufactured by Tailored Fiber Placement." Polymers 16, no. 6 (2024): 726. http://dx.doi.org/10.3390/polym16060726.

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This work aims to evaluate experimentally different fibers and resins in a topologically optimized composite component. The selected ones are made of carbon, glass, basalt, flax, hemp, and jute fibers. Tailored Fiber Placement (TFP) was used to manufacture the textile preforms, which were infused with two different epoxy resins: a partly biogenic and a fully petro-based one. The main objective is to evaluate and compare the absolute and specific mechanical performance of synthetic and natural fibers within a component framework as a base for improving assessments of sustainable endless-fiber r

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Grishchenko, Liudmyla, Tetiana Bezugla, Alexander Zaderko, et al. "CATALYSTS OF ACID-BASE PROCESS ON THE BASIS OF THE MODIFIED CARBON FIBER." Ukrainian Chemistry Journal 85, no. 7 (2019): 38–48. http://dx.doi.org/10.33609/0041-6045.85.7.2019.38-48.

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The functionalization of the carbon fiber based on polyacrylonitrile with sulfur-containing groups of high acidity was carried out in order to obtain the acid-base processes catalysts. Fibers were treated with sulfur vapors in the temperature range of 400-800°C, followed by surface oxidation with 30% hydrogen peroxide solution. Modified samples were investigated by chemical analysis, thermo-programmed desorption with mass spectrometric registration of products, IR spectroscopy and thermogravimetry. It is shown that the obtained materials contain SO3H-functional groups and oxygen-containing gro

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Li, Chao Fei, Guo Ping Chen, and Shui Wen Zhu. "Study on the Properties of Straw Fiber Reinforced Cement-Based Composite." Applied Mechanics and Materials 368-370 (August 2013): 997–1000. http://dx.doi.org/10.4028/www.scientific.net/amm.368-370.997.

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Plant fiber concrete in the cement base material (cement, mortar or concrete) to join the natural plant fiber, to form a new type of concrete, its advantages can improve the performance of concrete, concrete to reduce costs, save energy. Understanding straw fibers mixed with concrete, the variation in performance, with the same concrete than different content, physical and mechanical properties of the different shapes straw fiber concrete test analysis of the concrete compressive strength, splitting the variation of tensile strength, flexural strength, and economic aspects of performance, to p

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Prawesthi, Endang, Adinda Eka Putri, Vilza Asylla, and Sambodo Arif Wibowo. "EFFECT OF ADDITION RAMIE AND COCONUT COIR FIBERS WITH DIFFERENT CONCENTRATIONS ON TENSILE STRENGTH OF ACRYLIC DENTURE BASE." Journal of Vocational Health Studies 7, no. 1 (2023): 24–31. http://dx.doi.org/10.20473/jvhs.v7.i1.2023.24-31.

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Background: Acrylic denture base material has advantages such as good aesthetics, ease of repair, and affordable price, but this denture has mechanical properties, one of which is low tensile strength so fractures often occur during use. Utilization of natural fibers such as ramie (Boehmeria Nivea) and coconut coir (Coco Nucifera L) can be used as an alternative reinforcement for acrylic denture bases. Purpose: To determine the effect of adding ramie fiber and coconut coir fiber at different concentrations on the tensile strength of the acrylic denture base. Method: This study used a laborator

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Banthia, N., R. Gupta, and S. Mindess. "Development of fiber reinforced concrete repair materials." Canadian Journal of Civil Engineering 33, no. 2 (2006): 126–33. http://dx.doi.org/10.1139/l05-093.

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Early age shrinkage cracking remains a critical concern for cement-based repairs and overlays. Fibers mitigate such cracking, but no standardized technique of assessing the performance of a given fiber exists. Recently, a novel technique of making such an assessment was developed at The University of British Columbia (UBC). In this test method, currently being balloted through the ASTM, an overlay of fiber reinforced concrete (FRC) material to be tested is cast directly on a fully matured sub-base with protuberances, and the entire assembly is subjected to controlled drying. Cracking in the ov

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Mohanty, Sanjeeb Kumar, Nirmal Kumar Pandit, Pawan Kumar Sah, et al. "Durability, Capillary Rise and Water Absorption Properties of a Fiber-Reinforced Cement-Stabilized Fly Ash–Stone Dust Mixture." Infrastructures 9, no. 2 (2024): 17. http://dx.doi.org/10.3390/infrastructures9020017.

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The management of unutilized fly ash poses challenges due to concerns about storage and its potential groundwater contamination. Within the road industry, where the bulk utilization of fly ash is feasible, its unsuitability for use in the base and sub-base layers of pavements due to its low strength and a high proportion of fine particles has been a limitation. The incorporation of stone dust alongside fly ash, treated with lime or cement, yields superior strength and stiffness. Apart from strength, the stabilized mix’s durability, capillary rise, and water absorption properties are crucial fo

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SHINAGAWA, YUKIO. "Photographic Film Base." Sen'i Gakkaishi 41, no. 9 (1985): P329—P334. http://dx.doi.org/10.2115/fiber.41.9_p329.

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Hoque, Md Asadul, Md Ibrahim H. Mondal, Md Saiduzzaman, and Uttom Kumar Paul. "Effects of SnCl4 weighting of silk fibre on direct dyes uptake and physico-chemical properties." Research Journal of Textile and Apparel 20, no. 1 (2016): 14–23. http://dx.doi.org/10.1108/rjta-04-2015-0011.

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Purpose Colorfastness properties of dyed degummed and dyed stannic chloride weighted silk fiber were studied as a function of exposure to sunlight in air, washing with soap solution and spotting with alkalis. Design/methodology/approach Improved multi-voltine variety of degummed silk fibers was weighted with the treatment of stannic chloride at the varying pH level. Maximum weighting of silk fiber was achieved at the optimum SnCl4 concentration, pH of the solution, time and temperature. The degummed (un-weighted) and weighted silk fibers were then dyed with Direct Blue 1 and Direct Red 28 dyes

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Liu, Xiao Fang, Ping Li, and Zhong Xia Liu. "Modification Process of Carbon Fiber Reinforcement for Aluminum Matrix Composite." Advanced Materials Research 560-561 (August 2012): 899–905. http://dx.doi.org/10.4028/www.scientific.net/amr.560-561.899.

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Modification process of carbon fiber reinforcement was investigated so as to produce aluminum matrix composite on a large scale. A series of pretreatment technologies could acquire chemical deposition silver, which became the base of copperplating on the surface of carbon fibers. The optimum conditions of electroless plating copper, including components, adding amount of carbon fibers, temperature, pH value, and mixing method, were determined to obtain a perfect copper layer on the surface of carbon fibers. The control of copper deposition and repeating utilization of many technology solutions

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M, Kabir S. "Computational and Experimental Investigation & Analysis on the Effect of Milled Basalt Fibre Fillers on Static Flexural Properties of the Natural Fibre Composites for Aerospace and Automobile Industrial Applications." INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 09, no. 02 (2025): 1–9. https://doi.org/10.55041/ijsrem41297.

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Academic and industry researchers are focused on developing a material that satisfies various parameters such as durability, manufacturability, low cost, lightweight, adaptability, high strength, bio-degradability, etc. to meet the current day trends across aerospace and automotive industries. In engineering and technology, fiber-reinforced matrix composites and their applications are extensive. The addition of fillers (both natural and synthetic) along with matrix and fibers is considered to be a better option to increase the efficiency and performance of the composite materials. Recently, re

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