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Jia-horng Lin - One of the best experts on this subject based on the ideXlab platform.
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Effects of STF and Fiber Characteristics on Quasi-Static Stab Resistant Properties of Shear Thickening Fluid (STF)-Impregnated UHMWPE/Kevlar Composite Fabrics
Fibers and Polymers, 2019Co-Authors: Wenna Dai, Jia-horng Lin, Hao-kai Peng, Xiayun Zhang, Bing-chiuan Shiu, Ching Wen LouAbstract:In order to deeply explore the fiber characteristics influencing on stab resistance of shear thickening fluid (STF)- impregnated Fabrics, two different weaving Fabrics, ultra-high molecular weight polyethylene (UHMWPE) fabric and Kevlar Fabrics are saturate the various concentrations and particle size of STFs. Result shows that, SiO2/PEG-200 blends demonstrate quick shear-thickening property, and the critical shear rate lowers to 1.2-45 s-1 with higher concentration of 75 nm SiO2. STF concentration and particle size significantly affect spike puncture resistance property, but the knife stab resistance mainly depends on fiber characteristics. Comparatively, STF-UHMWPE Composite Fabrics exhibit better knife stab resistance but weaker spike puncture resistance than STF-Kevlar Fabrics. This study can provide an optimization for structure design of stab resistance armors in the future.
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3D Fabric/Polyurethane Foam Composites Containing Various Fabrics: Property Evaluations
DEStech Transactions on Engineering and Technology Research, 2017Co-Authors: Chen-hung Huang, Yu-chun Chuang, Yi-jun Pan, Ching Wen Lou, Zheng-ian Lin, Jia-horng LinAbstract:In this study, different combinations of non-woven fabric, glass fiber Fabrics, and carbon fiber woven Fabrics are needle punched, and are then laminated with 3D Fabrics. These materials are impregnated in a two-package PU blowing agent in order to form 3D fabric/PU foam Composites. Bursting strength test, compression test, dart drop test, and sound absorption test are used to evaluate the effect of the skin Fabrics on the properties of 3D/PU foam Composites. The test results suggest that the skin Fabrics containing nonwoven Fabrics and carbon fiber woven Fabrics have an optimal bursting strength of 4320.9 N. The skin Fabrics that are composed of nonwoven Fabrics and glass fiber woven Fabrics have an optimal compressive strength of 15 MPa. The drop-weight impact test results indicate that skin fabric containing nonwoven Fabrics and glass fiber woven Fabrics have a residual stress of 540.8 N, moreover, this skin fabric also attain an optimal sound absorption coefficient of 0.9. Therefore, having Composite Fabrics as the skin layer is conducive for the mechanical properties and sound absorption coefficient of PU foam materials. In addition, the proposed 3D/PU foam Composites can be mechanically reinforced, and the disadvantages of their constituent 3D Fabrics can also be improved. The skin Composite Fabrics are adjustable for possible clinical applications, and provide the 3D/PU foam Composites with diversity of applications, such as building materials and protective materials.
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manufacture technique and performance evaluation of electromagnetic shielding far infrared elastic warp knitted Composite Fabrics
Journal of The Textile Institute, 2016Co-Authors: Jia-horng Lin, Yu Tien Huang, Chin-mei Lin, Ching Wen LouAbstract:This study purposes to prepare elastic warp-knitted Composite fabric which has multifunctions of shielding electromagnetic interference and emitting far-infrared ray, by altering number of rubber threads cycles. Bamboo charcoal/stainless steel wrap yarns were firstly formed via rotor twister machine, and then fabricated into three kinds of elastic warp-knitted Composite Fabrics using crochet machine beforehand different number of rubber threads was fed in. The mechanical, comfortability, and functional properties of resulting warp-knitted Composite Fabrics were evaluated afterward. Result shows that the maximum increase of breaking strength and shear strength of resulting elastic warp-knitted Composite fabric was 329 and 176% respectively. The optimal far-infrared emissivity of single-layer warp-knitted Composite fabric reached up to 0.9e. Electromagnetic shielding effectiveness (EMSE) was promoted along with laminated layer and plied angle of Composite Fabrics. When laminated angle was arranged as 0°/90°...
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antibacterial properties and electrical characteristics of multifunctional metal Composite Fabrics
Journal of Industrial Textiles, 2016Co-Authors: Jianfei Zhang, Jia-horng Lin, An Pang Chen, Ching Wen LouAbstract:In this research, a hollow spindle spinning machine was used to manufacture the multifunctional metal hybrid yarns with stainless steel wire (SSW) as core material, antibacterial nylon (AN) filaments and bamboo charcoal polyester filaments (BC-PETs) as inner and outer wrapped yarn, respectively. The wrapping numbers of produced metal hybrid yarns varied from 8.0 to 15.5 turns/cm. Furthermore, metal Composite woven Fabrics were fabricated with the metal hybrid yarns as weft yarns and PET filaments as warp yarns on a loom. These woven Fabrics were evaluated in terms of far infrared (FIR) emissivity, anion density, electromagnetic shielding effectiveness (EMSE) and surface resistance. The antibacterial activity of the woven Fabrics was assessed against both Staphylococcus aureus and Escherichia coli according two test methods AATCC100-2004 and 90-2011, respectively. The wrapping numbers showed a significant influence on the FIR emissivity and anion density of the produced woven Fabrics. The presence of SSW i...
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Comfort and Functional Properties of Far-Infrared/Anion-Releasing Warp-Knitted Elastic Composite Fabrics Using Bamboo Charcoal, Copper, and Phase Change Materials
Applied Sciences, 2016Co-Authors: Yi-jun Pan, Yu Tien Huang, Yu-chun Chuang, Chien-teng Hsieh, Ching Wen Lou, Jia-horng LinAbstract:Elastic warp-knitted Composite Fabrics with far-infrared emissivity and an anion-releasing property were prepared using bamboo charcoal (BC), copper (Cu), and phase-change material (PCM). The functional Composite fabric, which was composed of self-made complex yarns with various twisting degrees and material composition, were created using a rotor twister and ring-spinning technique. The fabric structure was diversified by the feeding modes of weft yarn into a crochet-knitting machine. The twist number of complex yarns was optimized by tensile tenacity, twist contraction, and hairiness, and analysis showed that twisting at 12 twists per inch produced the highest tensile tenacity and appropriate twist contraction and hairiness. Comfort evaluation showed that the elastic Composite Fabrics with BC weft yarns exhibited higher water–vapor transmission rate and air permeability, reaching 876 g/m2∙ day and 73.2 cm3/s/cm2, respectively. Three structures of Composite fabric with various weft yarns had >0.85 e far-infrared emissivity and 350–420 counts/cm3 anion amount. The prepared elastic warp-knitted Fabrics can provide a comfortable, dry, and breathable environment to the wearer and can thus be applied as health-care textiles in the future.
Ching Wen Lou - One of the best experts on this subject based on the ideXlab platform.
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Effects of STF and Fiber Characteristics on Quasi-Static Stab Resistant Properties of Shear Thickening Fluid (STF)-Impregnated UHMWPE/Kevlar Composite Fabrics
Fibers and Polymers, 2019Co-Authors: Wenna Dai, Jia-horng Lin, Hao-kai Peng, Xiayun Zhang, Bing-chiuan Shiu, Ching Wen LouAbstract:In order to deeply explore the fiber characteristics influencing on stab resistance of shear thickening fluid (STF)- impregnated Fabrics, two different weaving Fabrics, ultra-high molecular weight polyethylene (UHMWPE) fabric and Kevlar Fabrics are saturate the various concentrations and particle size of STFs. Result shows that, SiO2/PEG-200 blends demonstrate quick shear-thickening property, and the critical shear rate lowers to 1.2-45 s-1 with higher concentration of 75 nm SiO2. STF concentration and particle size significantly affect spike puncture resistance property, but the knife stab resistance mainly depends on fiber characteristics. Comparatively, STF-UHMWPE Composite Fabrics exhibit better knife stab resistance but weaker spike puncture resistance than STF-Kevlar Fabrics. This study can provide an optimization for structure design of stab resistance armors in the future.
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Fabric Composites Reinforced with Thermally Bonded and Irregularly Aligned Filaments: Preparation and Puncture Resistant Performance
MDPI AG, 2019Co-Authors: Yu-chun Chuang, Mei-chen Lin, Limin Bao, Ting An Lin, Ching Wen LouAbstract:This study proposes fabric Composites with improved static and dynamic puncture via increasing a friction force to restrain the slide of filaments as well as the compression and abrasion between the fibers and the puncture probe. The the bi-layered shell layers of Composite Fabrics are composed of aramid staple fibers and nylon staple fibers and a layer of low-melting-point polyester (LPET). The nonwoven layer consisting of recycled aramid and nylon staple fibers provides a shear effect to dissipate part of the puncture energy. Reinforcing interlayers include a woven fabric and PET filaments that are circularly aggregated between the surface layers, providing isotropic filament reinforcement and strengthening the resistance against the tip of the puncture probe. The reinforcing filaments may slide after the employment of needle punching, and to compensate for this disadvantage, the LPET layers are used to thermal bond the Composite Fabrics and the total thickness is controlled at 2 mm. The thermally bonded fabric Composites are evaluated in terms of puncture resistance, thereby examining the effects of fabric structure and thermal bonding. According to the test results, the optimal Composite structure is the sample N/L/W/F/L/N, which was reinforced by the LPET adhesive layer and irregularly aligned filaments. The sample which used the LPET adhesive layer had a positive influence on static puncture resistance and dynamic puncture resistance, preventing the slide of filaments, but the poor interfacial combination only contributed to limited reinforcement
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3D Fabric/Polyurethane Foam Composites Containing Various Fabrics: Property Evaluations
DEStech Transactions on Engineering and Technology Research, 2017Co-Authors: Chen-hung Huang, Yu-chun Chuang, Yi-jun Pan, Ching Wen Lou, Zheng-ian Lin, Jia-horng LinAbstract:In this study, different combinations of non-woven fabric, glass fiber Fabrics, and carbon fiber woven Fabrics are needle punched, and are then laminated with 3D Fabrics. These materials are impregnated in a two-package PU blowing agent in order to form 3D fabric/PU foam Composites. Bursting strength test, compression test, dart drop test, and sound absorption test are used to evaluate the effect of the skin Fabrics on the properties of 3D/PU foam Composites. The test results suggest that the skin Fabrics containing nonwoven Fabrics and carbon fiber woven Fabrics have an optimal bursting strength of 4320.9 N. The skin Fabrics that are composed of nonwoven Fabrics and glass fiber woven Fabrics have an optimal compressive strength of 15 MPa. The drop-weight impact test results indicate that skin fabric containing nonwoven Fabrics and glass fiber woven Fabrics have a residual stress of 540.8 N, moreover, this skin fabric also attain an optimal sound absorption coefficient of 0.9. Therefore, having Composite Fabrics as the skin layer is conducive for the mechanical properties and sound absorption coefficient of PU foam materials. In addition, the proposed 3D/PU foam Composites can be mechanically reinforced, and the disadvantages of their constituent 3D Fabrics can also be improved. The skin Composite Fabrics are adjustable for possible clinical applications, and provide the 3D/PU foam Composites with diversity of applications, such as building materials and protective materials.
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manufacture technique and performance evaluation of electromagnetic shielding far infrared elastic warp knitted Composite Fabrics
Journal of The Textile Institute, 2016Co-Authors: Jia-horng Lin, Yu Tien Huang, Chin-mei Lin, Ching Wen LouAbstract:This study purposes to prepare elastic warp-knitted Composite fabric which has multifunctions of shielding electromagnetic interference and emitting far-infrared ray, by altering number of rubber threads cycles. Bamboo charcoal/stainless steel wrap yarns were firstly formed via rotor twister machine, and then fabricated into three kinds of elastic warp-knitted Composite Fabrics using crochet machine beforehand different number of rubber threads was fed in. The mechanical, comfortability, and functional properties of resulting warp-knitted Composite Fabrics were evaluated afterward. Result shows that the maximum increase of breaking strength and shear strength of resulting elastic warp-knitted Composite fabric was 329 and 176% respectively. The optimal far-infrared emissivity of single-layer warp-knitted Composite fabric reached up to 0.9e. Electromagnetic shielding effectiveness (EMSE) was promoted along with laminated layer and plied angle of Composite Fabrics. When laminated angle was arranged as 0°/90°...
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antibacterial properties and electrical characteristics of multifunctional metal Composite Fabrics
Journal of Industrial Textiles, 2016Co-Authors: Jianfei Zhang, Jia-horng Lin, An Pang Chen, Ching Wen LouAbstract:In this research, a hollow spindle spinning machine was used to manufacture the multifunctional metal hybrid yarns with stainless steel wire (SSW) as core material, antibacterial nylon (AN) filaments and bamboo charcoal polyester filaments (BC-PETs) as inner and outer wrapped yarn, respectively. The wrapping numbers of produced metal hybrid yarns varied from 8.0 to 15.5 turns/cm. Furthermore, metal Composite woven Fabrics were fabricated with the metal hybrid yarns as weft yarns and PET filaments as warp yarns on a loom. These woven Fabrics were evaluated in terms of far infrared (FIR) emissivity, anion density, electromagnetic shielding effectiveness (EMSE) and surface resistance. The antibacterial activity of the woven Fabrics was assessed against both Staphylococcus aureus and Escherichia coli according two test methods AATCC100-2004 and 90-2011, respectively. The wrapping numbers showed a significant influence on the FIR emissivity and anion density of the produced woven Fabrics. The presence of SSW i...
Tae Jin Kang - One of the best experts on this subject based on the ideXlab platform.
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preparation and properties of fumed silica kevlar Composite Fabrics for application of stab resistant material
Fibers and Polymers, 2010Co-Authors: Tae Jin Kang, Kyung Hwa HongAbstract:The objective of this study is to develop an advanced stab proof material composed of shear thickening fluid (STF) and Kevlar fabric. In this study, silica/ethylene glycol suspension was prepared for the use as the STF, and it was analyzed by a rheometer, TEM and dynamic light scattering spectrophotometer. From the results, it was observed that the STF significantly showed the reversible liquid-solid transition at a certain shear rate. Also, we treated Kevlar plain fabric with the STF by 1 dip-1nip finishing method and investigated the mechanical and stab resistant properties. Through the investigation of the fumed silica/Kevlar Composite fabric, we found that the STF impregnation significantly improved the stab resistance of Kevlar fabric against spike threats and so enhance the protection performance of Kevlar fabric as a stab proof material.
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Preparation and properties of fumed silica/Kevlar Composite Fabrics for application of stab resistant material
Fibers and Polymers, 2010Co-Authors: Tae Jin Kang, Kyung Hwa Hong, Mi Ran YooAbstract:The objective of this study is to develop an advanced stab proof material composed of shear thickening fluid (STF) and Kevlar fabric. In this study, silica/ethylene glycol suspension was prepared for the use as the STF, and it was analyzed by a rheometer, TEM and dynamic light scattering spectrophotometer. From the results, it was observed that the STF significantly showed the reversible liquid-solid transition at a certain shear rate. Also, we treated Kevlar plain fabric with the STF by 1 dip-1nip finishing method and investigated the mechanical and stab resistant properties. Through the investigation of the fumed silica/Kevlar Composite fabric, we found that the STF impregnation significantly improved the stab resistance of Kevlar fabric against spike threats and so enhance the protection performance of Kevlar fabric as a stab proof material.
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Thermal insulation properties of multifunctional metal Composite Fabrics
Smart Materials and Structures, 2009Co-Authors: Jung-sim Roh, Yong-seung Chi, Tae Jin KangAbstract:The thermal properties of metal Composite Fabrics (MCFs) are governed by the high thermal conductivity and low emissivity of the metal component. Metal type, metal yarn density, metal mesh openness and layering arrangement of the MCFs were varied to study how they affect the thermal insulation properties of the Fabrics. Three types of thermal resistance (solid to solid, solid to convective air, and stagnant air to convective air) were measured. All MCFs tested showed higher solid to air thermal resistance compared to non-metal fabric. The solid to air thermal resistance of the MCFs showed either higher or lower values than those predicted from the metal content of the MCFs, depending on the openness aspect ratio of the metal mesh. The solid to air thermal resistance of stainless steel Composite fabric was greatly enhanced by proper layering with non-metal Fabrics. The results showed that the thermal insulation properties of MCFs can be improved by modifying the metal content, metal mesh openness and layering arrangement of MCFs with other Fabrics.
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electromagnetic shielding effectiveness of multifunctional metal Composite Fabrics
Textile Research Journal, 2008Co-Authors: Tae Jin KangAbstract:The growth of the electronic industry and the widespread use of electronic equipment in communications, computations, automations, bio-medicine, space, and other purposes have led to many electromagnetic interference (EMI) problems as systems operate in close proximity. It is likely to become more severe in the future, unless proper EMI control methodology and techniques are used to meet the electromagnetic compatibility requirements. This article presents a comprehensive review of EMI shielding theory and materials. Furthermore, a method for fabricating a multifunctional metal Composite fabric with electromagnetic (EM) shielding characteristics was successfully developed. The parameters influencing EM shielding properties of the metal Composite Fabrics were investigated. It was shown that the EM shielding effectiveness of the metal Composite Fabrics could be tailored by modifying the metal grid size and geometry.
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Polyaniline-Nylon 6 Composite Fabric for Ammonia Gas Sensor
Journal of Applied Polymer Science, 2004Co-Authors: Kyung Hwa Hong, Tae Jin KangAbstract:Conducting polymers constitute a new class of sensing materials, which can be prepared by a simple oxidative polymerization method. An ammonia gas sensor was prepared by polymerizing aniline on the surface of nylon 6 Fabrics and doped with various acids in this study. The fabricated polyaniline (PANI)-nylon 6 Composite fab- rics showed high sensitivity and fast response for NH3 gas. In particular, the PANI-nylon 6 Composite Fabrics doped by monocarboxylic acids (such as formic acid, acrylic acid, and trichloroacetic acid) displayed excellent sensitivity and fast response. Moreover, no significant changes in the Tm and crystallinity were found in these Composite Fabrics. Hence the PANI-nylon 6 Composite Fabrics are attractive alterna- tives for use in sensing applications because of their excel- lent sensing ability, low cost, and ease of preparation. © 2004
Y. Delmas - One of the best experts on this subject based on the ideXlab platform.
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Shear strengthening effect by bonded Composite Fabrics on RC beams
Composites Part B: Engineering, 2002Co-Authors: Cheikhna Diagana, Y. DelmasAbstract:Abstract An experimental investigation was conducted to study the shear strengthening effect by bonded carbon fibre reinforced Fabrics on the ultimate strength and behaviour of RC beams. A total of sixteen RC beams with or without the carbon fibre reinforced Fabrics were tested in a load system by a point load at one-third of the length. The experimental results indicate that contribution of the Composite Fabrics on the shear capacity of the strengthened beam varies according to the applied Composite fabric area, the spacing between the steel stirrups and the longitudinal steel bar diameter of the RC beam. The load–strain behaviour of the RC beam is improved by bonding the Composite Fabrics. The effect of the shear strengthening on the deflection, the longitudinal steel bar strains, the concrete strains, the stirrup and the Composite fabric strains depends strongly on the strengthening area.
Shao Wei Bian - One of the best experts on this subject based on the ideXlab platform.
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porous wo3 graphene polyester textile electrode materials with enhanced electrochemical performance for flexible solid state supercapacitors
Journal of Colloid and Interface Science, 2018Co-Authors: Jianan Zhang, Shao Wei BianAbstract:Abstract In this work, a flexible and porous WO3/grapheme/polyester (WO3/G/PT) textile electrode was successfully prepared by in situ growing WO3 on the fiber surface inside G/PT Composite Fabrics. The unique electrode structure facilitates to enhance the energy storage performance because the 3D conductive network constructed by the G/PT increase the electron transportation rate, nanotructured WO3 exposed enhanced electrochemically active surface area and the hierarchically porous structure improved the electrolyte ion diffusion rate. The optimized WO3/G/PT textile electrode exhibited good electrochemical performance with a high areal capacitance of 308.2 mF cm−2 at a scan rate of 2 mV s−1 and excellent cycling stability. A flexible asymmetric supercapacitor (ASC) device was further fabricated by using the WO3/G/PT electrode and G/PT electrode, which exhibited a good specific capacitance of 167.6 mF cm−3 and high energy density of 60 μWh cm−3 at the power density of 2320 μW cm−3.
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graphene cotton Composite Fabrics as flexible electrode materials for electrochemical capacitors
RSC Advances, 2015Co-Authors: Mei Xia Guo, Si Liu, Shao Wei BianAbstract:Graphene/cotton Composite Fabrics were successfully synthesized via a facile “dipping and drying” process followed by a NaBH4 reduction method. The flexible 3D conductive network constructed by graphene sheets greatly enhances the conductivity of cotton Fabrics. The morphology, structure and conductivity of the graphene/cotton Composite Fabrics were detailed characterized using scanning electron microscopy (SEM), fourier transform infrared spectroscopy (FTIR) and a standard four-point probe method. Electrochemical measurements demonstrated that the graphene/cotton Composite Fabrics were used as flexible electrodes for electrochemical capacitors showing good capacitance, excellent mechanical flexibility, and good stability, which may lead to their future potential application in flexible and wearable electronic devices.
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Graphene/cotton Composite Fabrics as flexible electrode materials for electrochemical capacitors
RSC Advances, 2015Co-Authors: Ling Li Xu, Mei Xia Guo, S A Liu, Shao Wei BianAbstract:Graphene/cotton Composite Fabrics were successfully synthesized via a facile "dipping and drying" process followed by a NaBH4 reduction method. The flexible 3D conductive network constructed by graphene sheets greatly enhances the conductivity of cotton Fabrics. The morphology, structure and conductivity of the graphene/cotton Composite Fabrics were detailed characterized using scanning electron microscopy (SEM), fourier transform infrared spectroscopy (FTIR) and a standard four-point probe method. Electrochemical measurements demonstrated that the graphene/cotton Composite Fabrics were used as flexible electrodes for electrochemical capacitors showing good capacitance, excellent mechanical flexibility, and good stability, which may lead to their future potential application in flexible and wearable electronic devices.