Academic literature on the topic 'Yarn tensile test'

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Journal articles on the topic "Yarn tensile test"

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Vangheluwe, L. "Influence of Strain Rate and Yarn Number on Tensile Test Results." Textile Research Journal 62, no. 10 (1992): 586–89. http://dx.doi.org/10.1177/004051759206201005.

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The influence of strain rate and yarn number on tensile test results is investigated using a model to describe the tensile curve. A good correlation is obtained with the experimental stress-strain curves. The influence of the yarn number on the tensile modulus and the tensile curve is not quite the same for ring and rotor yarns.
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Korkmaz Memiş, Nazife, Gizem Kayabaşı, and Demet Yılmaz. "Development of a novel hybrid yarn production process for functional textile products." Journal of Industrial Textiles 48, no. 9 (2018): 1462–88. http://dx.doi.org/10.1177/1528083718766847.

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In this study, an innovative method consisting of electrospinning and conventional textile production techniques was built up to produce hybrid yarns enabling the production of functional textile products. The principle of the developed method is to open the twist of spun yarn, make this fibre bundle conductive for use as a collector, collect the electrospun nanofibres onto the conductive opened fibre bundle and finally twist this structure to produce hybrid yarn. To determine the feasibility of the developed method, surface morphology, chemical composition, coating features and tensile proper
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Du, Zhao Qun, Gang Zheng, Hua Shen, and Wei Dong Yu. "Measurement of Multiple Mechanical Properties of Fabrics in One Test." Applied Mechanics and Materials 110-116 (October 2011): 4480–86. http://dx.doi.org/10.4028/www.scientific.net/amm.110-116.4480.

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The compressibility, bending, weight, friction, tensile and shear properties of wool fabrics and yarns are of vital importance in the hung shape and virtual fitting of end-use textile products. A new apparatus has been developed for characterizing the above mechanical properties of wool fabrics and yarns through a single testing, and the corresponding modeling analysis for compressing, bending, weighting, friction, stretching and shearing properties were conducted and the corresponding characteristics were all measured just through one pulling out testing based on a three-point bending in prin
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Zhou, J., A. Pellegrino, U. Heisserer, et al. "A new technique for tensile testing of engineering materials and composites at high strain rates." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 475, no. 2229 (2019): 20190310. http://dx.doi.org/10.1098/rspa.2019.0310.

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A new test technique and bespoke apparatus to conduct high strain rate measurements of the tensile response of materials are presented. The new test method is applicable to brittle solids and composites as well as high-performance fibres, yarns and tapes used in composite construction. In this study, the dynamic response of monolithic poly(methyl methacrylate) and unidirectional composites based on Dyneema® tape, Dyneema® SK75 yarn and Kevlar® 49 yarn are explored. The technique allows early force equilibrium and yields valid tensile stress–strain curves, which include part of the elastic mate
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Stupishin, Leonid U., S. G. Emelyeanov, E. V. Savelyeva, and F. V. Altuhov. "Tensile Test Method for Basalt Roving." Key Engineering Materials 821 (September 2019): 506–11. http://dx.doi.org/10.4028/www.scientific.net/kem.821.506.

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In the construction industry there is no method for tensile testing of materials of basalt complex filaments of small diameters and roving. The existing methods of testing fibers and roving presented in regulatory documents are intended for textile materials and materials based on fiberglass. The studies cited in the article were aimed at studying the strength properties of roving materials and a multifilament yarn based on basalt fibers, as well as working out methods for testing them. The article presents studies of the strength characteristics of roving and complex yarn based on basalt fibe
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Younes, Ayham, Vignaesh Sankaran, André Seidel, Martin Waldmann, Chokri Cherif, and Jan Hausding. "Stress-strain behavior of carbon filament yarns under high strain rates." Textile Research Journal 82, no. 7 (2012): 685–99. http://dx.doi.org/10.1177/0040517511433151.

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Fiber-reinforced composites used in numerous technical applications have to meet the ever increasing safety requirements. Resistance to extreme stress under high velocity impact loads assumes even greater significance. Previous studies on the behavior of fiber-reinforced composites under impact loads provide little insight about the properties of filament yarns, a basis for many composite applications. Hence this paper focuses on the development of a suitable test method for performing high speed tensile tests on all filament yarn types, and the acquisition and analysis of the test results. Th
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Hasan, Mir Mohammad Badrul, Martin Hengstermann, Rebekka Dilo, Anwar Abdkader, and Chokri Cherif. "Investigations on the Manufacturing and Mechanical Properties of Spun Yarns Made from Staple CF for Thermoset Composites." Autex Research Journal 17, no. 4 (2017): 395–404. http://dx.doi.org/10.1515/aut-2016-0034.

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Abstract This article reports the results of investigations carried out to produce yarns consisting of staple carbon fiber (CF) obtained from process waste for the manufacturing of composites suitable especially for thermoset applications. For this purpose, a comparative analysis is done on processability between 100% staple CF and 60 weight% staple CF mixed with 40 weight% PVA fibers in carding, drawing and spinning process. The hybrid yarns are produced by varying twist level. The PVA fibers of the hybrid yarn are then dissolved using hot water treatment. The mechanical properties of yarns c
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Chudoba, Rostislav, Miroslav Vořechovský, and Rostislav Rypl. "Identification of the effective bundle length in a multifilament yarn from the size effect response." Journal of Composite Materials 45, no. 25 (2011): 2659–67. http://dx.doi.org/10.1177/0021998311401068.

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The article proposes a method for characterizing the in situ interaction between filaments in a multifilament yarn. The stress transfer between neighboring filaments causes the reactivation of a broken filament at some distance from the break. The utilized statistical bundle models predict a change in the slope of the mean size effect curve once the specimen length becomes longer than the stress transfer length. This fact can be exploited in order to determine the stress transfer length indirectly using the yarn tensile test with appropriately chosen test lengths. The identification procedure
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De Luca, Lloyd B., and Devron P. Thibodeaux. "Comparison of Yarn Tenacity Data Obtained using the Uster Tensorapid, Dynamat II, and Scott Skein Testers." Textile Research Journal 62, no. 3 (1992): 175–84. http://dx.doi.org/10.1177/004051759206200309.

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High speed yarn tensile testing machines increase production of yarn tensile data, but no comparisons with data from older, slow speed testing machines have been successful in determining whether these machines produce the same results. This work compares yarn tenacity data from three different machines. A family of five ring spun yarn sizes, each with five different twist factors, covers the entire range of spinning parameters for staple fibers. A new method used to analyze yarn data to determine the number of broken fibers and the effective fiber length acting in each yarn converts yarn tena
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Li, Hui Jun, and Li Zhang. "Prediction of Tensile Strength Based on RBF Neural Network." Advanced Materials Research 476-478 (February 2012): 1309–12. http://dx.doi.org/10.4028/www.scientific.net/amr.476-478.1309.

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The objective of this research is to predict yarn tensile strength. The model of predicting yarn tensile strength is built based on RBF neural network. The RBF neural networks are trained with HVI test results of cotton and USTER TENSOJET 5-S400 test results of yarn. The results show prediction models based on RBF neural network are very precise and efficient.
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Dissertations / Theses on the topic "Yarn tensile test"

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Chudoba, Rostislav, Martin Konrad, Markus Schleser, Konstantin Meskouris, and Uwe Reisgen. "Parametric study of tensile response of TRC specimens reinforced with epoxy-penetrated multi-filament yarns." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2009. http://nbn-resolving.de/urn:nbn:de:bsz:14-ds-1244043793029-57511.

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The paper presents a meso-scopic modeling framework for the simulation of three-phase composite consisting of a brittle cementitious matrix and reinforcing AR-glass yarns impregnated with epoxy resin. The construction of the model is closely related to the experimental program covering both the meso-scale test (yarn tensile test and double sided pull-out test) and the macro-scale test in the form of tensile test on the textile reinforced concrete specimen. The predictions obtained using the model are validated using a-posteriori performed experiments.
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Hosseini, Ehsan. "Mechanical Properties of Outer Protection Layer on Submarine High Voltage Cables." Thesis, Blekinge Tekniska Högskola, Institutionen för maskinteknik, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-859.

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In this thesis, the Mechanical properties of polypropylene yarn of outer protection layer on Submarine High Voltage Cable, twisted around submarine cable,is determined on various conditions at ABB Company. In the first step, tensile tests are done with polypropylene yarn specimens with and without Bitumen at Room temperature. In the second step,tensile tests are done with polypropylene yarn specimens with and without Bitumen and with knotted polypropylene yarn namely: the Fishermen’s knot, the Weaver’s knot, the Square knot and the Overhand knot at Warm Condition (60˚c) and Cold Condition(-5˚c
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Hartig, Jens. "Numerical investigations on the uniaxial tensile behaviour of Textile Reinforced Concrete." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2011. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-66614.

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In the present work, the load-bearing behaviour of Textile Reinforced Concrete (TRC), which is a composite of a fine-grained concrete matrix and a reinforcement of high-performance fibres processed to textiles, exposed to uniaxial tensile loading was investigated based on numerical simulations. The investigations are focussed on reinforcement of multi-filament yarns of alkali-resistant glass. When embedded in concrete, these yarns are not entirely penetrated with cementitious matrix, which leads associated with the heterogeneity of the concrete and the yarns to a complex load-bearing and failu
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Gong, Ting. "Tensile behavior of high-performance cement-based composites with hybrid reinforcement subjected to quasi-static and impact loading." Technische Universität Dresden, 2020. https://tud.qucosa.de/id/qucosa%3A73914.

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Hochduktile Betone (Engl.: Strain-Hardening Cement-based Composites – SHCC) und Textilbetone (engl.: Textile Reinforced Concrete – TRC) sind zwei neuartige Faserbetone, die ein duktiles und dehnungsverfestigendes Zugverhalten aufweisen. SHCC bestehen aus feinkörnigen Zementmatrizen und kurzen Hochleistungspolymerfasern, während TRC eine Kombination aus feinkörnigen Zementmatrizen und kontinuierlichen zwei- oder dreidimensionalen Textilschichten darstellt. Letztere bestehen aus Multifilamentgarnen aus Kohlenstoff, alkalibeständigem Glas oder Polymerfasern. Die hohe elastische Verformbarkeit bei
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Homoro, Omayma. "Influence de la pré-imprégnation sur le comportement mécanique des composites verre-matrice ettringitique : étude expérimentale et numérique." Thesis, Lyon, 2019. http://www.theses.fr/2019LYSE1239/document.

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Ces dernières années, les matériaux composites à matrices minérales ont suscité un grand intérêt dans le domaine du génie civil, en raison de leurs multiples avantages tels que la grande résistance en traction, le comportement pseudo-ductile, la facilité de mise en oeuvre, la nontoxicité et la compatibilité aux substrats. Toutefois, l’efficacité de ces composites est souvent limitée du fait de la faible adhérence du renfort avec la matrice. Cela est du à la faible pénétration des particules de la matrice entre les filaments internes du fil, ce qui entraine une rupture prématurée du matériau. C
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Chevalier, Caroline. "Caractérisation du comportement mécanique longitudinale d'un fil de para-aramide en sollicitation dynamique." Thesis, Valenciennes, 2016. http://www.theses.fr/2016VALE0030/document.

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Ce travail a pour objectif d’étudier le comportement mécanique d’un fil de para-aramide en sollicitation longitudinale et dynamique. Pour ce faire, nous avons conçu un nouveau dispositif expérimental permettant de réaliser ces essais à l’aide d’un canon à gaz : le Dispositif de Traction par Impact sur Fil (DTIF). Ce dispositif a subi de nombreuses modifications dans le but d’obtenir des conditions d’essais optimales. Celui-ci est associé à un dispositif de mesure par laser permettant d’obtenir le profil de vitesse du projectile ainsi que les courbes caractéristiques de Force-Déformation du fil
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Seghini, Maria Carolina. "Mechanical Analysis and Fibre/Matrix Interface Optimization for Next Generation of Basalt-Plant Fibre Hybrid Composites." Electronic Thesis or Diss., Chasseneuil-du-Poitou, Ecole nationale supérieure de mécanique et d'aérotechnique, 2020. http://www.theses.fr/2020ESMA0003.

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La prise de conscience mondiale des enjeux environnementaux a conduit à l’émergence de composites«verts», dans lesquels les fibres naturelles sont amenées à remplacer les fibres synthétiques. Ces nouveaux matériaux offrent des alternatives écologiques aux composites synthétiques traditionnels mais sont difficilement utilisables pour des applications semi-structurales ou structurales. Une solution possible à ce problème est le développement des composites hybrides, en combinant ensemble fibres naturelles et synthétiques. Dans ce cadre, l'objectif de cette étude était de développer des composite
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Hartig, Jens. "Numerical investigations on the uniaxial tensile behaviour of Textile Reinforced Concrete." Doctoral thesis, 2010. https://tud.qucosa.de/id/qucosa%3A25532.

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In the present work, the load-bearing behaviour of Textile Reinforced Concrete (TRC), which is a composite of a fine-grained concrete matrix and a reinforcement of high-performance fibres processed to textiles, exposed to uniaxial tensile loading was investigated based on numerical simulations. The investigations are focussed on reinforcement of multi-filament yarns of alkali-resistant glass. When embedded in concrete, these yarns are not entirely penetrated with cementitious matrix, which leads associated with the heterogeneity of the concrete and the yarns to a complex load-bearing and failu
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Conference papers on the topic "Yarn tensile test"

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David, N. V., and M. R. Ahmad. "An Experimental Study on the Effect of Natural Rubber Coating on Tensile Properties of Dyneema® Single Yarn." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-87143.

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The effect of natural rubber (NR) coating on the quasi-static tensile properties of unidirectional Dyneema® SK-76 single yarn is experimentally studied. Single Dyneema® SK-76 yarns are uniformly coated with pre-vulcanized natural rubber latex. Quasi-static tensile tests are performed on plain (uncoated) and NR-coated samples at the strain rates of 0.006 s−1, 0.06 s−1 and 0.6 s−1. The force and strain at peak, and the tenacity of the plain and NR-coated yarns are obtained for each strain rate. The results show that the peak force in the plain samples increases with strain rate to a maximum of 1
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Kobayashi, Satoshi, and Toshiko Osada. "Experimental and Analytical Resin Impregnation Characterization in Carbon Fiber Reinforced Thermoplastic Composites." In JSME 2020 Conference on Leading Edge Manufacturing/Materials and Processing. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/lemp2020-8627.

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Abstract Effect of molding condition on resin impregnation behavior and the associated mechanical properties were investigated for carbon fabric reinforced thermoplastic composites. Carbon fiber yarn (TORAYCA, Toray) was used as a reinforcement, and thermoplastic PI (AURUM PL 450 C, Mitsui Chemicals) was used as the matrix. CFRTP textile composites were compression-molded with a hot press system under the molding temperature, 390 °C, 410 °C and 430 °C, molding pressure 2 MPa and 4 MPa and molding time 0∼300 s. In order to evaluate the impregnated state, cross sectional observation was performe
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Gao, X. L., S. S. Zhou, S. E. Bosselman, and J. Q. Zheng. "A Comparative Experimental Study on Tensile Properties of Three Types of High-Performance Polymer Fibers." In ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-65977.

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A comparative experimental study on tensile properties of three types of high-performance polymeric fiber yarns — AuTx™, Kevlar® KM2 600 denier and Twaron® 500 denier — is conducted. Tensile tests are performed on samples of the three kinds of fiber yarns at five testing temperatures (24, 50, 60, 70 and 80 °C) and three loading rates (100, 200 and 300 mm/min). The elastic modulus, breaking stress, and breaking strain are obtained for each type of fiber yarns under specified testing conditions as averages of measured values from 15 specimens. The experimental data reveal that the tensile proper
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Erol, Ozan, Brian M. Powers, and Michael Keefe. "A Non-Orthogonal Constitutive Material Model for Advanced Woven Fabrics Based on a Mesoscale Unit Cell." In ASME 2016 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/imece2016-65747.

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Advanced woven fabrics can provide a wide range of mechanical properties since the yarns can be arranged in different architectural patterns thus allowing the fabric structure to be tuned based on the specific needs. This adjustable nature makes them an attractive material choice for applications where versatility is highly desired. Hence, there is an increasing interest in woven fabrics in the recent years. They have been used in various applications such as deployable structures, protective garments, medical scaffolds and composites. With the increased interest, there is a need for efficient
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Godfrey, T. A., J. N. Rossettos, and S. E. Bosselman. "A Model for the Onset of Tearing at Slits in Stressed Coated Woven Fabrics." In ASME 2004 International Mechanical Engineering Congress and Exposition. ASMEDC, 2004. http://dx.doi.org/10.1115/imece2004-59577.

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Coated woven fabrics are often used as stressed membranes in inflatable and tension structures. When the stressed fabrics in such structures are damaged locally, the damage site often provides a starting point for the propagation of a tear. In this paper, a micromechanical model is developed for predicting the onset of tearing at slit-like damage sites in biaxially stressed coated woven fabrics. The stress concentration in the first intact yarn adjacent to the slit is determined as a function of increasing remote stress, and predictions for tearing onset are made assuming that tearing initiate
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Teng, Xuefeng, Duoqi Shi, and Xiaoguang Yang. "Experimental and Modeling Study on Tension Characteristics of a 2.5D Woven Composites." In ASME Turbo Expo 2019: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/gt2019-90838.

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Abstract 2.5D woven composites have recently attracted much attention in the fields of aerospace and automobile industry due to their excellent properties such as low density, high thermal shock resistance, high specific strength and enhanced mechanical properties. Before the 2.5D woven composites are applied as load-bearing structure, it is necessary to have an in-depth understanding of their mechanical behavior and load transfer mechanism under external loads. In this paper, in-plane tensile tests including longitude direction and transverse direction were conducted for a 2.5D woven SiO2f/Si
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Langston, Thomas Brice, and Yiping Qiu. "The Tensile Properties of Three Dimensional Air Textured Aramid Reinforced Composites." In ASME 2003 International Mechanical Engineering Congress and Exposition. ASMEDC, 2003. http://dx.doi.org/10.1115/imece2003-55526.

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Air-textured aramid yarns (ATAY) and regular aramid yarns (RAY) were used in this study to fabricate 3D orthogonal woven composites. The composites were tested in warp, weft, and 45° directions to determine the engineering constants of the composites. The ATAY composite had a much lower fiber volume fraction than the RAY composite due to the bulkiness of the textured yarns. With the same fiber volume fraction, the ATAY composite had a slightly lower tensile strength and modulus, but a 120% higher in-plane shear modulus, than the RAY composite. Unlike the RAY composite that demonstrated a britt
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Kuo, Wen-Shyong, Wennei Y. Chen, Azar Parvizi-Majidi, and Tsu-Wei Chou. "Characterization and Modeling of Tensile Behavior of Ceramic Woven Fabric Composites." In ASME 1991 International Gas Turbine and Aeroengine Congress and Exposition. American Society of Mechanical Engineers, 1991. http://dx.doi.org/10.1115/91-gt-105.

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This paper examines the tensile behavior of SiC/SiC fabric composites. In the characterization effort, the stress-strain relation and damage evolution are studied with a series of loading and unloading tensile test experiments. The stress-strain relation is linear in response to the initial loading and becomes nonlinear when loading exceeds the proportional limit. Transverse cracking has been observed to be a dominant damage mode governing the nonlinear deformation. The damage is initiated at the inter-tow pores where fiber yarns cross over each other. In the modeling work, the analysis is bas
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Davis, Goldie, Edwin Ekwue, and Vincent Cooper. "COMPARISION OF FOUR FABRICS FOR FILTERING TURBID WATER IN A TWO STAGE CROSS-FLOW FILTER." In International Conference on Emerging Trends in Engineering & Technology (IConETech-2020). Faculty of Engineering, The University of the West Indies, St. Augustine, 2020. http://dx.doi.org/10.47412/negv5542.

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Surface water treatment plants in Trinidad are incapable of filtering highly turbid water. Water treatment operations are shut down whenever turbidity levels rise during or after rainfall. The aim of this research is to determine the physical properties of linen, burlap, crepe-backed satin and cotton fabrics and to compare their efficiencies as filter media for reducing turbidity in water. Scanning electron microscopy was used to generate images of each fabric. Fabric weave type was determined. Inter-yarn pore sizes, inter-fiber pore sizes, warp and weft spacings, warp and weft diameters and t
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Zhang, Timothy G., and Sikhanda S. Satapathy. "Indent Depth in the Clay Backing for Ceramic Armor." In ASME 2018 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/imece2018-88284.

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Numerical models were conducted to study the load/momentum/energy transfer to the clay and the clay response when it was used as backing behind hard and soft armor during ballistic experiments. Tie-break contacts were used to explicitly model the delamination in the composite panels. Yarn level models accounting for woven structures were used to model the soft armor. A rate-dependent material model with different responses under compression and tension, developed previously from impact tests, was used to model the clay. The clay indent depth was correlated to the momentum and kinetic energy tr
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