Academic literature on the topic 'Metallic fabric'
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Journal articles on the topic "Metallic fabric"
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Lin, Jia Horng, Ting An Lin, Chien Teng Hsieh, Jan Yi Lin, and Ching Wen Lou. "Multi-Functional Metallic/FIR-PET Wrapped Yarn and Woven Fabric: Electromagnetic Shielding Effectiveness, Mechanical and Electrical Properties." Applied Mechanics and Materials 749 (April 2015): 265–69. http://dx.doi.org/10.4028/www.scientific.net/amm.749.265.
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This study uses 0.08mm copper wire and nickel-coated copper wire as the core and 75 D far infrared filament as the wrapped material to manufacture Cu/FIR-PET wrapped yarn, Ni-Cu/FIR-PET wrapped yarn and Ni-Cu/Cu/FIR-PET wrapped yarn. The three optimum metallic/FIR-PET wrapped yarns are then weaving into Cu/FIR-PET woven fabrics, Ni-Cu/FIR-PET woven fabrics and Ni-Cu/Cu/FIR-PET woven fabrics. Tensile property of metallic/FIR-PET wrapped yarns, electrical resistance of metallic/FIR-PET wrapped yarns, surface resistivity of metallic/FIR-PET woven fabrics and electromagnetic shielding effectiveness of metallic/FIR-PET woven fabric are discussed. According to the results, the optimum tenacity and elongation are chosen as 7 turns/ cm, electrical resistance of Ni-Cu/Cu/FIR-PET wrapped presents the best value, Cu/FIR-PET woven fabric has the lowest surface resistivity and Ni-Cu/Cu/FIR-PET woven fabric shows the best EMSE at 37.61 dB when the laminating-layer number is double layer and laminating at 90 ̊. In this study, three kinds of metallic/FIR-PET woven fabrics are successfully manufactured and looking forward to applying on industrial domains.
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Xue, Wen, Lan Cheng, Ang Li, Nan Nan Jiao, Bo Wen Chen, and Tong Hua Zhang. "Research on Electromagnetic Shielding Effectiveness of Composite Fabrics Made by Stainless Steel Fiber." Advanced Materials Research 821-822 (September 2013): 888–93. http://dx.doi.org/10.4028/www.scientific.net/amr.821-822.888.
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In this paper, a kind of electromagnetic shielding fabric was introduced. The fabric was woven by composite yarns made of stainless steel fibers, cotton and polyester filaments. Using the tracer fiber technology, the internal structure of yarns and fabrics was observed through the optical microscope. Electromagnetic shielding effectiveness of the fabric was tested by FY800 electromagnetic radiation tester according to the standard of ASTM D4935-10. The optical microscope photographs show that the yarns and fabrics have many different sizes of metal grids internally. Research results show that with the increase of arrangement proportion of metallic yarns, fabric thickness and content of metallic fibers, electromagnetic shielding effectiveness of the fabric has a rising trend.
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Xu, Hai-Yan, Jin-Hua Jiang, Nan-Liang Cheng, Fang-Bing Lin, and Hui-Qi Shao. "Finite Element Modeling for the Uni-Axial Tensile Behaviour of Metallic Warp-Knitted Fabric." Fibres and Textiles in Eastern Europe 26, no. 2(128) (April 30, 2018): 49–54. http://dx.doi.org/10.5604/01.3001.0011.5738.
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The finite element analysis method (FEM), for its advantages of lower time and economic costing in predicting the mechanical properties of fabrics, was applied to warp-knitted fabrics. In this paper, two bar warp-knitted fabric knitted with wires was used as reflecting mesh antennas. Firstly the loop unit of the metallic warp-knitted fabric was simulated in 3-D by TexGen software. Secondly the 3-D loop unit model was inputted into ABAQUS software to form a model of the metallic warp-knitted fabric sheet for uni-axial tension analysis. Thirdly numerical results were obtained after setting the parameters in ABAQUS. Finally numerical results were verified by uni-axial tensile experiments on the metallic warp-knitted fabric. The results showed that the simulation was in good agreement with the experimental tensile process, where the transfer of yarns between loops when in low fabric elongation and in yarn elongation when in high fabric elongation were simulated by FEM of warp-knitted fabric in the tensile process. Also the same trend of tensile force was found in experiment and FEM results. Therefore it can be concluded that FEM can be used to predict the mechanical properties of warp-knitted fabric with a complex structure.
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Ghane, Mohammad, and Ehsan Ghorbani. "Investigation into the UV-Protection of Woven Fabrics Composed of Metallic Weft Yarns." Autex Research Journal 16, no. 3 (September 1, 2016): 154–59. http://dx.doi.org/10.1515/aut-2015-0021.
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Abstract The destructive effects of sun UV radiation on human skins are now very clear to everyone. Most of the present studies were focused on the fabrics’ structural parameters such as density, warp and weft yarns finenesses, fabric pattern and printing or finishing treatments applied to the fabrics. The aim of this work is achieving a technique through which the produced fabrics possess a higher UV-protection ability. For this purpose, two different metals including aluminium and copper yarns were employed in fabrics production process and their effects on UV-protection ability of the produced fabrics were investigated. Six different fabric samples comprised of either cotton/polyester, nylon yarns as the warp yarns as well as either aluminium or copper yarns as the weft yarns were produced. Using the spectrophotometer technique, which is known as one of the UPF measuring method, the absorbency and reflectivity of fabrics within the specified range of electromagnetic waves (specially the UV radiation) were determined. The results illustrated that the higher UV absorbency was related to the fabric possessing the copper yarns in their structures. It was concluded that the absorption ability of nylon fabrics is higher than that of the cotton/polyester samples.
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Mongkholrattanasit, Rattanaphol, Charoon Klaichoi, Kongkiat Maha-In, Kittisak Ariyakuare, Sakorn Chonsakorn, and Nattadon Rungruangkitkrai. "Utilization of Longan Leaf Extract for Dyeing and UV Protection of Silk Fabric Using Pre-Mordanting Method." Advanced Materials Research 1030-1032 (September 2014): 438–41. http://dx.doi.org/10.4028/www.scientific.net/amr.1030-1032.438.
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Natural dye extracted from the longan leaves was applied to a silk fabric by an exhaustion dyeing process. The dyeing was conducted with and without metallic salt mordants using pre-mordanting. It was observed that with an increase in the dye concentration, the ultraviolet (UV) protection factor (UPF) values ranged between good and very good for the silk fabric. In addition, a darker color, such as that provided by a CuSO4 and FeSO4 mordant, gave better protection because of higher UV absorption. The results confirmed that natural dyes from longan leaf extract with metal mordants have potential applications in fabric dyeing and in producing UV-protective silk fabrics.
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Mongkholrattanasit, Rattanaphol, Charoon Klaichoi, Nattadon Rungruangkitkrai, and Nuttanan Sasivatchutikool. "An Evaluation of UV Protection Property of Silk Fabric Dyed with Mangrove Bark (Rhizophora apiculata Blume) Extract." Advanced Materials Research 821-822 (September 2013): 560–63. http://dx.doi.org/10.4028/www.scientific.net/amr.821-822.560.
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Natural dye extracted from the mangrove bark was applied to a silk fabric by an exhaustion dyeing process. The dyeing was conducted with and without metallic salt mordants using pre-mordanting. It was observed that with an increase in the dye concentration, the ultraviolet (UV) protection factor (UPF) values ranged between good and excellent for the silk fabric. In addition, a darker color, such as that provided by a CuSO4 mordant, gave better protection because of higher UV absorption. The results confirmed that natural dyes from mangrove bark extract with metal mordants have potential applications in fabric dyeing and in producing UV-protective silk fabrics.
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Mongkholrattanasit, Rattanaphol, Nattadon Rungruangkitkrai, Nitaya Tubtimthai, and Nuttanan Sasivatchutikool. "UV Protection Property of Colorant from Lac for Silk Fabric Dyeing by Cold Pad-Batch: The Influence of Metal Mordants Concentration." Advanced Materials Research 884-885 (January 2014): 257–60. http://dx.doi.org/10.4028/www.scientific.net/amr.884-885.257.
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In the present study, natural dye from lac dye and various metallic salts have been used to identify the proper dyeing condition for attaining high quality natural dyeing along with imparting UV protection property to the dyed silk fabric. Silk fabrics dyed with lac extract showed a light pink shade, while those dyed with alum and stannous chloride pinkish-red colour. Silk substrates dyed with CuSO4gave a purple red colour, while those dyed with FeSO4had a reddish-gray colour. The fastness properties ranged from fair to good, while washing fastness was poor level. The ultraviolet protection factor (UPF) values of silk fabric dyed with and without metal mordants ranged between very good and excellent for the silk fabric.
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Morgan, Alexander B., and Mary L. Galaska. "Flammability testing of wool/cellulosic and wool/synthetic fiber blends: Vertical flame spread and heat release results." Journal of Fire Sciences 38, no. 6 (November 2020): 522–51. http://dx.doi.org/10.1177/0734904120954013.
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Wool is a natural fiber with lower heat release/flammability than some synthetic fabrics, but it has not been well studied for its heat release when other fibers such as cotton, linen, and nylon are present in the woven fabric. In this article, the heat release and vertical flame spread of six commercially available natural color fabrics is reported. This includes 100% wool, 80% wool/20% nylon, 70% wool/30% linen, 45% wool/55% cotton, and 40% wool/38% cotton/12% nylon/10% metallic thread fabric. Heat release was measured through cone calorimetry (ASTM E1354) as a function of the sample mounting method, through microscale combustion calorimetry (ASTM D7309), and flame spread was measured by ASTM D6413. The type of insulated backing used greatly affected the cone calorimeter results, and fabric types did show some effects in vertical flame spread and microscale combustion calorimeter testing.
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Miśkiewicz, Pamela, Magdalena Tokarska, Iwona Frydrych, and Wojciech Pawlak. "Effect of Metallisation of Basalt Fabric on Its Surface Resistivity." Fibres and Textiles in Eastern Europe 29, no. 1(145) (February 28, 2021): 41–46. http://dx.doi.org/10.5604/01.3001.0014.5040.
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The main aim of the research was to carry out the surface modification of basalt fabric in order to improve selected thermal properties of the material, i.e., resistance to contact and radiant heat, to apply it in a hot work environment. Attention was focused on checking whether the metal coating deposited does not cause too high conductivity, which is dangerous to human health. The process of magnetron sputtering with the use of chromium and aluminum of various thickness values was applied to basalt fabrics. Based on scanning electron microscope analysis, it was found that none of the aluminum or chromium coatings covered 100% of the basalt fabric surface. Results of the surface resistance analysis of four out of the six samples of basalt fabrics tested indicate that they belong to anti-static materials. The metallic coatings obtained can potentially be used to improve the thermal properties of basalt fabric mentioned.
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Jiang, S. Q., C. W. M. Yuen, and C. W. Kan. "Creation of design on nylon metallic fabric." Journal of the Textile Institute 98, no. 3 (August 28, 2007): 269–74. http://dx.doi.org/10.1080/00405000701476245.
Full textDissertations / Theses on the topic "Metallic fabric"
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Husain, Muhammad Dawood. "Development of temperature sensing fabric." Thesis, University of Manchester, 2012. https://www.research.manchester.ac.uk/portal/en/theses/development-of-temperature-sensing-fabric(0e5e8367-c3b2-4cff-bcc9-f32fac97b50f).html.
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Human body temperature is an important indicator of physical performance and condition in terms of comfort, heat or cold stress. The aim of this research was to develop Temperature Sensing Fabric (TSF) for continuous temperature measurement in healthcare applications. The study covers the development and manufacture of TSF by embedding fine metallic wire into the structure of textile material using a commercial computerised knitting machine. The operational principle of TSF is based on the inherent propensity of a metal wire to respond to changes in temperature with variation in its electrical resistance. Over 60 TSF samples were developed with combinations of different sensing elements, two inlay densities and highly textured polyester yarn as the base material. TSF samples were created using either bare or insulated wires with a range of diameters from 50 to 150 μm and metal wires of nickel, copper, tungsten, and nickel coated copper. In order to investigate the Temperature-Resistance (T-R) relationship of TSF samples for calibration purposes, a customised test rig was developed and monitoring software was created in the LabVIEW environment, to record the temperature and resistance signals simultaneously. TSF samples were tested in various thermal environments, under laboratory conditions and in practical wear trials, to analyse the relationship between the temperature and resistance of the sensing fabric and to develop base line specifications such as sensitivity, resistance ratio, precision, nominal resistance, and response time; the influence of external parameters such as humidity and strain were also monitored. The regression uncertainty was found to be less than in ±0.1°C; the repeatability uncertainty was found to be less than ±0.5°C; the manufacturing uncertainty in terms of nominal resistance was found to be ± 2% from its mean. The experimental T-R relationship of TSF was validated by modelling in the thermo-electrical domain in both steady and transient states. A maximum error of 0.2°C was found between the experimental and modelled T-R relationships. TSF samples made with bare wire sensing elements showed slight variations in their resistance during strain tests, however, samples made with insulated sensing elements did not demonstrate any detectable strain-dependent-resistance error. The overall thermal response of TSF was found to be affected by basal fabric thickness and mass; the effect of RH was not found to be significant. TSF samples with higher-resistance sensing elements performed better than lower-resistance types. Furthermore, TSF samples made using insulated wire were more straightforward to manufacture because of their increased tensile strength and exhibited better sensing performance than samples made with bare wire. In all the human body wear trials, under steady-state and dynamic conditions both sensors followed the same trends and exhibited similar movement artifacts. When layers of clothing were worn over the sensors, the difference between the response of the TSF and a high-precision reference temperature were reduced by the improved isothermal conditions near the measurement site.
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Rodrigues, Jordana Roider. "Melhoria do processo de produção de tecidos metálicos na fabricação de pneus." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2014. http://hdl.handle.net/10183/159226.
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A melhoria de processos é um tema abordado em diversos setores. Este trabalho concentrou-se na melhoria do processo de produção de tecidos metálicos usados como material de reforço na fabricação de pneus radiais. O estudo foi realizado em uma indústria fabricante de pneus, em uma calandra de configuração Z e teve como objetivo aprofundar os conhecimentos a respeito deste processo identificando oportunidades de melhorias para reduzir perdas causadas por problemas qualitativos. Além disso, buscou melhorar a qualidade percebida pelo cliente interno sem afetar a qualidade do produto final, percebida pelo cliente externo. Para tanto, foi realizado um mapeamento do processo produtivo em questão, seguido de um estudo do efeito das temperaturas neste processo. O mapeamento mostrou que muitas etapas possuem influência direta na qualidade dos tecidos, as oportunidades de melhoria foram destacadas durante e após o mapeamento e estão relacionadas principalmente ao controle das temperaturas da calandra e dos moinhos, à automatização do processo, aos procedimentos operacionais e à instalação de dispositivos de controle e alerta. Uma vez que o controle das temperaturas de toda a linha da calandra resultou ser um fator crítico para o processo, realizou-se um estudo do efeito das temperaturas usadas durante a produção, a partir do uso da metodologia de Projeto de Experimentos com a aplicação de um Projeto Fatorial 25-1 sem repetição Quatro variáveis de resposta foram estudadas: quantidade de grumos pré-vulcanizados, aderência tecido-tecido, reversão de enxofre e adesão borracha-metal. Os fatores controláveis usados foram: temperatura dos moinhos alimentadores, temperatura dos cilindros 1 e 4, temperatura dos cilindros 2 e 3, temperatura dos tambores de resfriamento e temperatura do aquecimento das cordas metálicas. Pela otimização das variáveis de resposta, chegou-se aos valores ótimos para o processo, sendo todos eles no seu nível alto, com exceção da temperatura dos cilindros 2 e 3 que apresentou o melhor valor no nível baixo. Os resultados deste trabalho aprofundaram os conhecimentos num processo que, apesar de muito antigo, ainda possui poucos textos publicados a respeito. Adicionalmente, forneceu uma otimização experimental para as afirmações encontradas na literatura sobre a importância do controle de temperaturas no processo de fabricação de tecidos metálicos.The process improvement is a topic widely used in several sectors. In this work this topic deals with improving the production process of metallic fabrics used as reinforcement material for radial tires. The study was carried out in a tire industry in a Z configuration calender and aims to deepen the knowledge about this process by identifying improvement opportunities to reduce losses caused by quality problems in metallic fabrics. It also seeks to improve the quality perceived by internal costumer without affecting the quality of the final product, perceived by the external customer. Thus, a mapping of the production process in question was made, followed by a study of the effect of temperature in this manufacturing process. The mapping shown that many steps have direct influence on fabric quality, the opportunities for improvement were highlighted during and after the mapping and are related mainly to control the temperature of the calender and mills, to process automation, operational procedures and the installation of devices for control and alert. Since the temperature control of whole calender line proved to be a critical factor in the process, a study of the effect of the temperatures used during the production was performed from the use of the design of experiments methodology with the application of a factorial design 25-1, without replication Four response variables were studied: number of pre vulcanized lumps, tack, sulfur reversion and steel-rubber adhesion. The controllable factors chosen were: feeder mills temperature, temperature of rolls 1 and 4 of the calender, temperature of rolls 2 and 3 of the calender, temperature of cooling drums and heating temperature of steel cords. By the optimization of the response variables, it was reached the optimum values for the process, all of which are in its high level except for the temperature of the rolls 2 and 3 which showed the best value in the low level. These results obtained deepened knowledge in a process which, though very old, still has a few articles published. Additionally, it provided quantitative data to the statements found in the literature about the importance of temperature control in the manufacturing process of metallic fabrics.
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Romain, Xavier. "Study of polarization of light through a stack of metallic metamaterials." Thesis, Bourgogne Franche-Comté, 2018. http://www.theses.fr/2018UBFCD038/document.
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Cette thèse a pour but l’étude théorique de métamatériaux métalliques empilés. Ces structures sont actuellement proposées pour améliorer et élargir les fonctionnalités des métamatériaux métalliques. Nous portons un intérêt particulier aux propriétés de polarisation de ces structures métalliques empilées.En premier lieu, nous précisons le type de métamatériaux que nous étudions et nous présentons la méthode modale qui nous permet de décrire les propriétés électromagnétiques de la structure. A l’aide d’un Formalisme de Jones Etendu (FJE), développé récemment dans notre équipe, nous faisons ressortir les principales propriétés de polarisation linéaire de ces métamatériaux métallique.En alliant le FJE à l’algorithme de propagation de la matrice S, nous étudions un empilement de deux métamatériaux vus comme un montage polariseur-analyseur. Nous établissons ensuite une expression de la transmission de la structure: la loi de Malus étendue. Cela nous permet notamment de démontrer les résonances de type Fabry-Perot qui ont lieu entre les métamatériaux.Pour des structures plus conséquentes, nous montrons qu’il est possible de réaliser une rotation de la polarisation, à très faible perte et spectralement agile, grâce aux résonances de type Fabry-Perot.Fondamentalement, nous révélons une nouvelle façon d’exciter des résonances Fano qui sont induites par les propriétés de polarisation des métamatériaux. Ces résonances peuvent être utilisées pour des applications de capteur ou de filtrage. De plus, ces résonances Fano induites par la polarisation ouvrent de nouvelles possibilités d’applications pour les empilement de métamatériaux métalliquesThis PhD thesis deals with the theoretical study of stacked metallic metamaterials. Such structures are currently investigated to extend the functionalities offered by single metallic metamaterials. We especially focus on the specific polarization properties of the stacked metallic metamaterials.We first present the type of metamaterial that we consider, and we describe the modal method that is used to model its electromagnetic properties. We outline the linear polarization properties characterizing the metamaterial thanks to an Extended Jones Formalism (EJF) recently developed by our team.In combination with the EJF, we apply the S-matrix algorithm to the study of a stack of two metallic metamaterials in a polarizer-analyzer configuration. We derive an analytical expression for the transmission response of the stacked structure: the Extended Malus Law. Mainly, it highlights the Fabry-Perot-like resonances located between the metamaterials.Using larger stacked structures, we demonstrate that spectrally tunable and low loss polarization rotation can be achieved owing to these Fabry-Perot-like resonances.In essence, we reveal a new way of realizing Fano resonances which are induced by the specific polarization properties of the metamaterials. We show that such resonances can be engineered for sensing or filtering applications. Moreover, the polarization-induced Fano resonances expand the possibilities of stacked metallic metamaterials
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Huang, Kuo-Cheng, and 黃國城. "The Study of Electromagnetic Shielding Effect With Double-layers Metallic Fabrics." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/68333170687390801666.
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碩士萬能科技大學
材料科技研究所
100
Abstract This study investigates the performance of stainless steel / PET staple fiber weaved double-layer fabrics which develop for electromagnetic shielding applications.All samples were prepared by automatic rapier weaving machine. The influences of fiber blending ratio, weft density and wove structure were cross validated. Each factor has been set into multi-variation for comparison, which are five levels of metal fiber blending ratio (3%, 5%, 10%, 20%, 30%), three volumes of weft density (40 picks/inch, 60 picks/inch, 80 picks/inch) and three types of woven structures (plain/plain, plain/twill, twill/twill). The electromagnetic shielding effectiveness (EMSE) at the bandwidth 300 MHz to 2.45 GHz were measured utilizing a linear network analyzer system. The experiment results show that higher metal content and larger weft density under the same woven structure could perform better EMSE, especially for high frequency tests. However, varying the woven structure didn’t appear a significant effect for EMSE. This research demonstrated that stainless steel / PET blended fiber is a good material for anti-electromagnetic wave, and double-layer weaving also helps since increasing fabric thickness is advantaged to EMSE.The designed double-layer fabrics could attenuate EMSE over 30dB, which has conformed to the requirement of anti-static and anti- electromagnetic materials for industry application. Key words: Stainless steel staple fiber; Double-layer fabrics; Electromagnetic shielding effect; Rapier automatically weaving machine
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CHEN, Jui-Chin, and 陳瑞金. "The study of Metallic Salts After-Treatment and Plasma Treatment on the Multi-functional Crosslinked Cotton Fabrics with Combined Dimethyloldihydroxyethyleneurea and Acrylic Acid." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/28169632078771427433.
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博士國立臺灣科技大學
高分子工程系
94
In this study, we used three metallic salts to after-treat the DMDHEU-AA crosslinked cotton fabrics, and find that the DCRA, WCRA, TSR and MR values of the crosslinked and after-treated fabrics are in the order of Ag＋ > Cu＋2 > Al＋3 at a same DMDHEU-AA concentration in padding bath. The DCRA and WCRA of the crosslinked and after-treated fabrics are higher than those of the DMDHEU-AA crosslinked fabrics, and those for crosslinked and after-treated fabrics are in the order of Ag＋ > Cu＋2 > Al＋3 at a given values of TSR. For a given CL/AGU, DCRA and TSR values for the crosslinked and after-treated fabrics are higher than those for the DMDHEU-AA crosslinked fabrics, and those for crosslinked and after-treated fabrics are in the order of Ag＋ > Cu＋2 > Al＋3; but WCRA values of the various treated fabrics show that the values for the crosslinked and after-treated fabrics are lower than those for the DMDHEU-AA crosslinked fabrics, and those for crosslinked and after-treated fabrics are in the order of Ag＋ > Cu＋2 > Al＋3. IR spectra clearly show the interaction between the －OH group of the cellulose and the metallic ions, which are different from each other on the bonding state for the various metallic ions, and the strength of the bonding for the various metallic ions are in the order of Ag＋ > Cu＋2 > Al＋3. All crosslinked and after-treated fabric samples have good values of odor absorption, anti-bacteria, and washing fastness. In addition, the low temperature plasma treatment was applied for finishing the cotton fabrics, and the effect of plasma treatment on the durable press finishing of cotton fabric was studied. Both DMDHEU alone and DMDHEU-AA crosslinking agents were used to finish cotton fabrics with various processes by changing agent concentrations in the bath. Experimental data indicate that the plasma treatment within the pad-dry-plasma-cure process can induce the cotton fabrics surface binding of more crosslinking agents than the samples without plasma treatment. For the same crosslinking agents, we find that the DCRA, WCRA and TSR values of the pad-dry-plasma-cure fabrics are higher than the pad-dry-cure fabrics at a given value of nitrogen content. In addition, the values of TSR for the pad-dry-plasma-cure process are also higher than those for the pad-dry-cure process at a given DCRA or WCRA. For all the four treated processes, the N content, DCRA and WCRA values of the DMDHEU-AA-treated fabrics are all higher than those of the DMDHEU-treated fabrics at a same resin concentration in the bath, but the TSR values are inverse in all cases. For the same crosslinking agents, we also find that the numbers of CL/AGU and CL length of pad-dry-plasma-cure fabrics are higher than the pad-dry-cure fabrics at a same DMDHEU concentration in the bath. And at a same CL/AGU value, the DCRA, WCRA and TSR values of the pad-dry-plasma-cure fabrics are higher than those for the pad-dry-cure fabrics. Those results show that the plasma treatment can not only introduce the crosslinking reaction between the resins and cellulose molecules, but also can clearly improve physical properties such as tensile strength and wrinkle recovery angle. In this study, we also used the combined DMDHEU and acrylic acid crosslinking agent to treat cotton fabric under a pad-dry-plasma-cure process to study the pore property, anti-bacterial property, and agent distribution. For both direct dyes used, we find that the values of dye absorptions, equilibrium absorption and the rate constants, structural diffusion resistance constants for the pad-dry-plasma-cure treated fabrics are lower than those for pad-dry-cure treated fabrics at the initial dyeing time duration, but the activation energies for the two finished fabrics (dyed with the same direct dye) are ranked pad-dry-plasma-cure＞ pad-dry-cure. The carboxylic acid group of acrylic acid could react with copper sulfate to bind the copper ion on the treated fabric surface, which could improve the anti-bacterial ability significantly. The surface distribution of crosslinking agent on the finished fabrics is somewhat higher for pad-dry-plasma-cure process than for pad-dry-cure process.
Books on the topic "Metallic fabric"
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1961-, Kattan Peter Issa, ed. Advances in damage mechanics: Metals and metal matrix composites with an introduction to fabric tensors. 2nd ed. Amsterdam: Elsevier, 2006.
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Archi, Alfonso. Testi amministrativi: Registrazioni di metalli e tessuti (archivio L. 2769). Roma: Missione archeologica italiana in Siria, 1988.
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Voyiadjis, George Z., and Peter I. Kattan. Advances in Damage Mechanics: Metals and Metal Matrix Composites With an Introduction to Fabric Tensors, Second Edition. 2nd ed. Elsevier Science, 2006.
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Voyiadjis, George Z., and Peter I. Kattan. Advances in Damage Mechanics: Metals and Metal Matrix Composites With an Introduction to Fabric Tensors, Second Edition. Elsevier Science, 2006.
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Problemnye regiony resursnogo tipa: Azi︠a︡tskai︠a︡ chastʹ Rossiĭ. Novosibirsk: SO RAN, 2005.
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V, Bazarov B., ed. Problemnye regiony resursnogo tipa: Aziatskai︠a︡ chastʹ Rossii. Novosibirsk: Izd-vo Sibirskogo otd-nii︠a︡ Rossiĭskoĭ akademii nauk, 2005.
Find full textBook chapters on the topic "Metallic fabric"
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Răzvan Rădulescu, Ion, Lilioara Surdu, Emilia Visileanu, Bogdana Mitu, and Cristian Morari. "Life Cycle Assessment of Flexible Electromagnetic Shields." In Electromagnetic Compatibility [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.99772.
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Nowadays, fiber based flexible electromagnetic shields have widespread applications in ensuring Electromagnetic Compatibility (EMC). Shielding is a solution of EMC, and the main methods to estimate shielding effectiveness are represented by the circuit method and the impedance method. Magnetron sputtering of metallic layers represents a novel technique to impart electric conductive properties to fabrics. Coating of fabrics represents a second main option to manufacture textile shields beside the insertion of conductive yarns in the fabric structure. Life Cycle Assessment (LCA) is often used to assess a comparatively modern with a classical manufacturing process in order to prove its eco-friendly character. This chapter comparatively assesses flexible EM shields manufactured of fabrics with inserted conductive yarns with and without magnetron plasma coating. The copper plasma coating of cotton fabrics with inserted silver yarns increases shielding effectiveness (EMSE) by 8–10 dB. In order to keep for the LCA study the same functional unit of 50 dB at 100 MHz for one sqm of fabric, the fabric structure is modeled with a reduced distance between the inserted conductive yarns. Results of the LCA study show a substantial impact on the environment for the plasma coated fabric upon using a laboratory scale deposition set-up.
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"Influences of yarns shape in woven fabric on bonding performance of cementitious composites." In Non-Metallic (FRP) Reinforcement for Concrete Structures, 210–17. CRC Press, 2004. http://dx.doi.org/10.1201/9781482271621-32.
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Afzali, A., V. Mottaghitalab, and M. Saberi. "Supreme EMI Shielding Using Electroless Plating of Metallic Nanoparticle on Cotton Fabric." In Research Progress in Nano and Intelligent Materials, 25–32. Apple Academic Press, 2011. http://dx.doi.org/10.1201/b12228-4.
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"Supreme EMI Shielding Using Electroless Plating of Metallic Nanoparticle on Cotton Fabric." In Research Progress in Nano and Intelligent Materials, 39–46. Apple Academic Press, 2011. http://dx.doi.org/10.1201/b12228-7.
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Badano, Luigi P., and Denisa Muraru. "Valvular prostheses." In The ESC Textbook of Cardiovascular Imaging, edited by José Luis Zamorano, Jeroen J. Bax, Juhani Knuuti, Patrizio Lancellotti, Fausto J. Pinto, Bogdan A. Popescu, and Udo Sechtem, 251–70. Oxford University Press, 2021. http://dx.doi.org/10.1093/med/9780198849353.003.0019.
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Prosthetic heart valves may be mechanical or bioprosthetic. Mechanical valves, which are composed primarily of metal or carbon alloys, are classified according to their design as ball-caged, single-tilting-disc, or bileaflet-tilting-disc valves. In ball-cage valves, the occluder is a sphere which is contained by a metal ‘cage’ when the valve is in its open position, and fills the orifice when the valve is in its closed position. In single-tilting-valves, the occluder is a single circular disc which is constrained in its motion by a cage, a central strut, or a slanted slot in the valve ring, therefore it opens at an angle less than 90° to the sewing ring plane. In bileaflet-tilting-disc valves there two occluders, two semicircular discs that open forming three orifices, a central one and two lateral ones. Biological tissue valves prostheses may be heterografts, which are composed of porcine, bovine, or equine tissue (valvular or pericardial), or homografts, which are preserved human aortic valves. Heterografts include stented and stentless bioprostheses. In stented valves, the biological tissue of the valve is mounted on a rigid stent (plastic or metallic) covered with fabric. Conversely stentless bioprostheses use the patient’s native aortic root as the valve stent. The absence of a stent and sewing ring cuff make it possible to implant a larger valve for a given native annulus size, resulting in a larger effective orifice area (EOA).
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Chen, Ying-Hung, and Ju-Liang He. "Metallic Coatings on Fabrics for Antimicrobial Purposes." In Handbook of Antimicrobial Coatings, 165–79. Elsevier, 2018. http://dx.doi.org/10.1016/b978-0-12-811982-2.00010-x.
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Razvan Radulescu, Ion, Lilioara Surdu, Emilia Visileanu, Cristian Morari, and Marian Costea. "Modeling and Validating Analytic Relations for Electromagnetic Shielding Effectiveness of Fabrics with Conductive Yarns." In Textiles for Functional Applications [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.95524.
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Electromagnetic (EM) radiation may be harmful for human’s health and for functioning of electronic equipment. The field of Electromagnetic Compatibility approaches various solutions to tackle this problem, while shielding of the radiation is one of the main solutions. Since the development of spinning technology for producing conductive yarns for fabrics, textile electromagnetic shields have become a valuable alternative to metallic shields. Their main advantages are given by the flexibility, the low weight and the good mechanical resistance, as well as by the possibility to precisely design the shield. The scientific literature includes several analytic relations for estimating the electromagnetic shielding effectiveness (EMSE), in case of woven fabrics with conductive yarns, which may be modeled as a grid of electric conductors. This book chapter tackles three different analytic models for estimating EMSE, which are useful to predict this functionality in the design phase of fabrics. The analytic relations are subsequently comparatively validated by EMSE measurements via TEM cell equipment of two woven fabrics with conductive yarns out of stainless steel and silver with a grid of 4 mm. Results of validated analytic relations are used for the approach of designing textile shields with regard to final application requirements.
Conference papers on the topic "Metallic fabric"
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Radulescu, Ion Razvan, Emilia Visileanu, Razvan Scarlat, Catalin Constantin, and Bogdana Mitu. "Comparative life cycle assessment study for fabric based electromagnetic shielding." In The 8th International Conference on Advanced Materials and Systems. INCDTP - Leather and Footwear Research Institute (ICPI), Bucharest, Romania, 2020. http://dx.doi.org/10.24264/icams-2020.iv.18.
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Life Cycle Assessment (LCA) studies represent the scientific approach for elaborating modern policies and supporting management decisions in the field of Sustainable Production and Consumption. The goal of many LCA studies undertaken for research are related to an exhaustive comparison of a modern, innovative product or process with respect to an initial, conventional one. This paper deals with such an approach for fabric based electromagnetic shielding. Electrically conductive textile fabrics are used in applications of electromagnetic shielding. Two basic types of technology for imparting electro- conductive properties to textiles are available, namely: insertion of conductive yarns in the fabric structure and coating with conductive layers. Magnetron plasma coating is a modern technology for achieving thin metallic layers on fabrics. Therefore, we focused the LCA study to the comparison between cotton woven fabrics with inserted conductive yarns out of stainless steel in warp and weft direction and cotton fabrics coated with thin layers of copper by magnetron plasma laboratory equipment. Functional unit of the comparative study was one square meter of EM textile shield with 5.2 dB at 1 GHz. A modelling of the fabric with inserted conductive yarns was performed in order to reach same shielding effectiveness at a certain frequency, as in the case of the coated fabric. Inventory data was collected for the fabric with conductive yarns from the textile company SC Majutex SRL, while for the plasma coated fabric from INFLPR. Impact assessment was performed by INCDTP, by using the LCA software SimaPro7 and the data basis EcoInvent 3.0. Interpretation of results shows that weaving of conductive yarns has a smaller impact on the environment than magnetron plasma coating using laboratory equipment, in a ratio of 1:2. This fact is explained by the industrial process of weaving as compared to laboratory process of coating, whereas brings the idea that upon utilization of industrial magnetron equipment for coating one may achieve in the end better environmental impact due to the process optimization for large area plasma processing.
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Ziaja, Jan, Mariusz Ozimek, and Joanna Koprowska. "Metallic and oxide Zn and Ti layers on unwoven fabric as shields for electromagnetic fields." In 2009 EMC Europe Workshop Materials in Applications (EMC Europe Workshop). IEEE, 2009. http://dx.doi.org/10.1109/emceurope.2009.5189691.
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Divya, G. S., and B. Suresha. "Metallic nanofillers effect in assessing the abrasive wear performance of carbon fabric reinforced epoxy composites." In PROCEEDINGS OF THE 3RD INTERNATIONAL CONFERENCE ON AUTOMOTIVE INNOVATION GREEN ENERGY VEHICLE: AIGEV 2018. Author(s), 2019. http://dx.doi.org/10.1063/1.5085621.
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Kasano, Hideaki, Osamu Hasegawa, and Chiaki Miyasaka. "Fatigue Damage Evaluation in CFRP Woven Fabric Composites Through Dynamic Modulus Measurements." In ASME/JSME 2004 Pressure Vessels and Piping Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/pvp2004-2843.
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Advanced fiber reinforced composite materials offer substantial advantages over metallic materials for the structural applications subjected to fatigue loading. With the increasing use of these composites, it is required to understand their mechanical response to cyclic loading [1–4]. Our major concern in this work is to macroscopically evaluate the damage development in composites during fatigue loading. For this purpose, we examine what effect the fatigue damage may have on the material properties and how they can be related mathematically to each other. In general, as the damage initiates in composite materials and grows during cyclic loading, material properties such as modulus, residual strength and strain would vary and, in many cases, they may be significantly reduced because of the progressive accumulation of cracks. Therefore, the damage can be characterized by the change in material properties, which is expected to be available for non-destructive evaluation of the fatigue damage development in composites. Here, the tensiontension fatigue tests are firstly conducted on the plain woven fabric carbon fiber composites for different loading levels. In the fatigue tests, the dynamic elastic moduli are measured on real-time, which will decrease with an increasing number of cycles due to the degradation of stiffness. Then, the damage fimction presenting the damage development during fatigue loading is determined from the dynamic elastic moduli thus obtained, from which the damage function is formulated in terms of a number of cycles and an applied loading level. Finally, the damage function is shown to be applied for predicting the remaining fifetime of the CFRP composites subjected to two-stress level fatigue loading.
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Sahay, Chittaranjan, Suhash Ghosh, and Mathew Mormino. "Effect of Air Release Agents on Performance Results of Fabric Lined Bushings." In ASME 2020 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/imece2020-24464.
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Abstract A configuration of a plain (sliding) bearing system is the use of a reinforced fabric comprising a woven structure of polytetrafluoroethylene (PTFE) and other fibers integrated with a phenolic resin system used to both encapsulate the fibrous materials and provide adhesion to metallic and other substrates. This construction promotes dimensional stability and improves thermal conductivity. These PTFE linings offer exceptionally low coefficient friction. The bushing is recommended for high loads when combined with low surface speeds. These fully self-lubricating bushings offer good contamination resistance, no stick-slip and excellent cold flow resistance. This technique has shown longer life of 7 to 10 times that of standard steel-backed, bronze-sintered and PTFE overlay. Proprietary self-lubricating PTFE fibers are applied directly to the steel. This polytetrafluoroethylene is woven onsite and applied directly to the steel. The woven liner is compressible and able to absorb distortions in mating surfaces. PTFE fabrics processed with phenolic resins can entrap air within the cured fabric liner. The entrapped air has the potential to affect bearing performance by reduction of bonding area and reduction in load carrying capabilities. Air release agents can be used to limit the amount of air entrapment within the liner system. The intent of this research is to determine what, if any, affect the addition of commercially available air release agents would have on PTFE bearing performance. Experimental wear testing at various static and dynamic bearing conditions with and without contamination (de-ice fluid), including at high temperature (325°F) were conducted on eighteen specimens. Peel strength test were also conducted. All these tests were conducted based on prevalent industry standards. Parameters of static load resistance (deflection and permanent set) and loaded torque were found to be unaffected by the use of an air release agent when compared to baseline articles manufactured without such air releasing agents. Results showed that by integration of a commercially available air release agent into the processing of a PTFE based, phenolic resin bearing liner system, one can reduce variability and help stabilize wear performance. Specimens prepared with air release agent showed improved oscillation (fatigue) test results. Further, air release agent also resulted in a 35% increase in peel strength performance when tested per industry standard methods. Contamination with de-ice fluid showed no negative performance results. While the investigations here used only one ratio of additive among all tested bearings, but other concentrations are possible. Authors would like to pursue additional studies in future to determine the amount of air release agent that can reliably be added to remove the maximum air release without affecting the overall bearing performance. By finding this, a threshold of additive can also be determined.
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Abd El-Latief, Mahmoud E., Mostafa Shazly, and Yehia Bahei-El-Din. "Evaluation of the Mechanical Properties of Repaired Composite Panels Using Resin Re-Infusion Process." In ASME 2020 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/imece2020-23448.
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Abstract Glass Fiber Reinforced Plastics (GFRP) have been used in many fields such as aerospace, automotive and wind energy sectors. During their manufacturing processes, some defects such as dry spots and air pockets may develop in impregnated fabric, especially, when metallic inserts are used. To evaluate the interface between parent and repaired parts, an experimental study is performed to investigate its effect on the mechanical properties and structural integrity. To compare the response of the re-infused and intact samples, several tensile and bending tests were performed for uniaxial glass reinforcing fabric with tailored orientation for the interface between the intact and repaired regions. The results showed that for the tensile tests, repaired specimens with interfaces having 90° and 45° orientations w.r.t. loading direction were able to recover 80% and 73%, respectively, from the tensile strength of samples produced by vacuum infusion technique. However, for bending tests, the flexural strength was recovered by almost 90% and 72% for both interfaces, respectively. Based on visual inspection, each type of tested specimen has a typical dominant failure mode. For re-infused samples, the properties of the parent and repaired laminates determine the failure location.
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Kessler, Michael R., Roger H. Walker, Dixit Kadakia, Jeffrey M. Wilson, Joshua M. Duell, and William K. Goertzen. "Evaluation of Carbon/Epoxy Composites for Structural Pipeline Repair." In 2004 International Pipeline Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/ipc2004-0486.
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The University of Tulsa, Citadel Technologies, and T.D. Williamson, Inc. were selected by The Oklahoma Center for the Advancement of Science & Technology (OCAST) for a program of research and testing a non-metallic structural pipeline repair composite sleeve. The name of this composite repair system is Diamond Wrap and the system is based on carbon fabric with an epoxy matrix wrapped around a damaged pipe. Baseline material coupon level testing has been completed on the repair system to compile data to fully define the engineering properties of the current primary product to which all changes and improvements can be compared. These properties include ultimate tensile strength and modulus in the longitudinal and transverse directions, lap shear strength, glass transition temperature, and coefficient of thermal expansion. Full scale fatigue and static rupture tests were also performed on pressure vessels to determine the effectiveness of repairs made using the overwrap repair system.
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Li, Zu-Bin, Yi-Hong Yang, Wen-Yuan Zhou, and Jian-Guo Tian. "Fabry-Perot resonance in slit and grooves in the enhanced transmission through a single subwavelength slit." In Plasmonics: Metallic Nanostructures and Their Optical Properties VI. SPIE, 2008. http://dx.doi.org/10.1117/12.799944.
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Molter, L. "FAUSST – bridging the gap between steel and fibre reinforced materials." In 14th International Naval Engineering Conference and Exhibition. IMarEST, 2018. http://dx.doi.org/10.24868/issn.2515-818x.2018.015.
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For a variety of applications, such as shipbuilding or automotive, a variety of materials is used in order to meet certain design constraints or certification limitations. Within ship building for international waters, different design codes are distinguished for civil and naval use. While the SOLAS (safety of life at seas) ship code and the HSC (high speed craft) code have strict regulation in the use of composite materials, some naval rules enable such materials already leading to ship designs e.g. the Visby or Zumwalt class. However, the joining of multi-material structures remains challenging from a technical and regulative point of view. Composite materials aboard of ships has a variety of benefits, such as weight reduction, fuel reduction, increased corrosion resistance and the ability to use different innovative design solutions. Nevertheless, these benefits have to be pondered against the higher material and process costs. Moreover, strict design rules according to naval requirements, e.g. shock resistance, impact, etc. need to be met for the materials as well as their joints. The presented developments focus on one of the process challenges needed, being the joining of a steel structure and a composite material. Within the shipbuilding industry the preferred joining mechanism is welding, whereas other procedures such as bonding or riveting are complex in several manners, e.g. approval. To overcome this challenge FAUSST, a joint based on a hybrid knitted fabric, has been developed. This fabric is composed of steel and glass fibres in a way that a transition element is created, thereby effectively bridging both materials. It can be welded on one side to a metallic structure and integrated on the other side into a FRP. Depending on the design of the transition element loads of up to 240 kN per meter joint can be transferred in the presented design with an overlap length of only 10 mm. This transition element, therefore, may lead to more sophisticated designs using composite materials.
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Tse, Leonard W., Tina L. T. Shek, Aydin Nabovati, and Cristina H. Amon. "Computational Fluid Dynamics Modeling of Redundant Stent-Graft Configurations in Endovascular Aneurysm Repair." In ASME 2010 International Mechanical Engineering Congress and Exposition. ASMEDC, 2010. http://dx.doi.org/10.1115/imece2010-39941.
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An aneurysm is a bulge or localized dilation of an artery that can result in rupture, rapid blood loss, and death. Endovascular aneurysm repair (EVAR) is a minimally-invasive surgical technique that involves delivery of a stent-graft from within the blood vessels. The metallic stents anchor and support the graft (fabric tube), through which blood flow is contained and directed. This relieves the pressure on the weakened aneurysm wall. When the stent-graft is too long for a given patient, the redundant (extra) length adopts a convex configuration in the aneurysm. Based on clinical experience, we hypothesize that redundant stent-graft configurations increase the downward force acting on the device thereby increasing the risk of device dislodgement and failure. This work numerically studies both steady-state and physiologic pulsatile blood flow in redundant stent-graft configurations. Computational fluid dynamics simulations predicted peak downward displacement force for the zero-, moderate- and severe-redundancy configurations of 7.49, 7.65 and 8.04 N, respectively for steady-state flow; and 7.55, 7.70 and 8.31 N, respectively for physiologic pulsatile flow. These results suggest that redundant stent-graft configurations in EVAR do increase the downward force acting on the device, but the clinical consequence depends significantly on device-specific resistance to dislodgement.