Ramie fiber weave fabric was produced by Hunan Huasheng Dongting ramie textile Co. Ltd. In this work, an ultra-lightweight beam string structure made of carbon fiber reinforced polymer (CFRP) composites was designed, optimized, fabricated and tested. Ramie Fiber | Properties of Ramie Fiber | Uses of Ramie Fiber; Asbestos/Mineral Fiber | Manufacturing Process of Asbestos | History of Asbestos Fiber | Uses of Asbestos; Sharing Knowledge: Students, teachers and professionals can publish your article here. The traditional manufacturing process of ramie fibers requires a large amount of alkali, which causes serious environmental issues. This article introduces information about synthetic fibers. Three analytical/numerical methods were used to predict the load-bearing capacity of the triangular structure, and a four-point bending test of manufactured ramie fiber triangular structure was performed to verify the numerical results. Flax/Linen Source. 2006 [18] conducted experiments and numerical analyses to investigate the compressive buckling behavior of composite IsoTruss® grid structure columns having the advantage of lightweight. 2011 [7] studied the mechanical properties of woven natural-fiber fabrics in terms of the breaking strengths of warp and weft under 3D loadings. Recently, typical bridge bearings with the reinforcement of steel or fibre have been widely used in base isolation system. CXJZU-120, A novel chemical degumming process for ramie bast fiber, Surface micro-dissolution of ramie fabrics with NaOH/urea to eliminate hairiness, Property of ramie fiber degummed with Fenton reagent, Performance analysis of kudzu fiber prepared by using combined steam explosion and chemical degumming, A novel ionic liquid degumming process for Apocynum venetum, Fractionation of bagasse into cellulose, hemicelluloses, and lignin with ionic liquid treatment followed by alkaline extraction, Dissolution of cellulose in ionic liquid: A review, Deep eutectic solvents (DESs)-derived advanced functional materials for energy and environmental applications: Challenges, opportunities, and future vision, Deep eutectic solvents: Syntheses, properties and applications, Ultrafast fractionation of lignocellulosic biomass by microwave-assisted deep eutectic solvent pretreatment, Deep eutectic solvent system based on choline chloride-urea as a pre-treatment for nanofibrillation of wood cellulose, Pretreatment of Guinea grass (Panicum maximum) with the ionic liquid 1-ethyl-3-methyl imidazolium acetate for efficient hydrolysis and bioethanol production, Comparison of the performance of kenaf fiber using different reagents presoak combined with steam explosion treatment, Utilization of pineapple peel for production of nanocellulose and film application, Isolation and characterization of cellulosic fibers from kenaf bast using steam explosion and Fenton oxidation treatment, Monitoring chemical changes on the surface of kenaf fiber during degumming process using infrared microspectroscopy, Comparative study of composition, structure and properties of Apocynum venetum fibers under different pretreatments, Characterization of nanocellulose recovery from Elaeis guineensis frond for sustainable development, Various pretreatments of lignocellulosics, Deep eutectic solvents' ability to solubilize lignin, cellulose, and hemicellulose; Thermal stability and density, Cellulose polymorphy #crystallite |size, and the Segal Crystallinity Index, Idealized powder diffraction patterns for cellulose polymorphs, Green processing of lignocellulosic biomass and its derivatives in deep eutectic solvents. In civil construction, ramie fiber could be used in polyester sandwich panels [4], and in automotive engineering, an automotive B pillar trim was manufactured using ramie fiber-reinforced polypropylene composites with injection-molding [5]. This truss structure had a good dimensional stability against temperature variation. Target ramie fiber triangle structure. Pfeil et al. Ramie can be blended with cotton, flax, wool, polyester, acrylic and silk of all types. Ju et al. It is a platform to express your knowledge throughout the world. If you have the appropriate software installed, you can download article citation data to the citation manager of your choice. In order that the fiber may lend itself more readily to the subsequent manufacturing operations, it is usually treated with an oily preparation composed in most cases of water, glycerine, wax and soap, when it is thoroughly softened, ramie is ready for processing 22. In a multilayered ballistic armor system, an epoxy matrix composite reinforced with 30% volume of ramie fabric showed a better performance than the Kevlar™ (a para-aramid synthetic fiber) as a ceramic front backing plate [6]. 2013 [22] also proposed a design optimization framework for the weight of the same type composite triangular truss utilizing the response surface method to reduce the computational cost. To read the fulltext, please use one of the options below to sign in or purchase access. Structural configuration and manufacturing process are key factors to determine the mechanical properties of natural fiber composite structures.In this study, a ramie fiber triangular structure with the integral molding technology is proposed in this study, and its structural capacity is verified through four-point-bending tests. It is a durable fiber. They can improve the energy-intensive and unsustainable production processes of synthetic fiber and polymers while increasing the recyclability of polymer matrix composites [1], [2], [3]. 2009 [10] studied the tensile, toughness, energy absorption, bonding, and deformation resistance properties of green composites reinforced with mercerized ramie yarns. Typically, the reorientation is described with an evolution equation for the second order fiber orientation tensor, which requires a closure approximation and multiple empirical parameters to describe long fibers. 4 Ramie. The degum- ming process in ramie might be compared to … It was used in mummy cloths in Egypt during the period 5000 - 3000 BC and has been grown in China for many centuries. The following three different methods are used to predict the load-bearing capacity of the proposed structure: the solid model method (SMM), the beam model method (BMM), and the simplified method (SM). The fact that the fabric ramie, said and used in its production of fiber - one of the best materials of plant origin. Ring spinning is the oldest type of fiber spinning still in use. The present results are validated by comparing with the solutions published in the available literature for the specific cases. Woods et al. The amorphous segments remain in an elongated state. Ma et al. The process of transforming the ramie fibers into fabric is similar to the process used for manufacturing linen from flax. An epoxy resin named YJ-80 supplied by Wells Epoxy Ltd. was used for the composite triangular structure. The manufacturing of the joints can be improved by using the integral molding technology as it achieves high production efficiency by avoiding re-assembly and reduces the mass of connection parts. An alkali-free method to manufacture ramie fiber. Ramie is one of the oldest textile fibers. Ramie is one of the oldest fiber crops, having been used for at least 6,000 years, and is principally used for fabric production. Rackliffe et al. A four-point bending test was carried out to investigate the structural behavior. Ramie fiber-reinforced composites can be used to build a fiber-reinforced polymer (FRP) truss. Furthermore, the numerical simulation has been conducted to enable new insights into the behavior of a meta-functional bridge bearing suitable for real-life practial applications. It is a bast fiber, and the fiber used for textiles comes from the inner bark (phloem) of the vegetative stalks and not the woody stem or outer bark. Ramie is one of the most important fiber resources and it needs the degumming process to produce fibers. A photograph of the ramie fiber weave fabric is provided in Fig. lightweight, higher stiffness, better impact resistence, and vibration attenuation), the use of metamaterials (periodic structures) in the bearings is considered for this reason. 2016 [20] developed continuous wound composite truss structures using a simple winding process, conducted experiment against torsion and bending, and optimized the design for the flexural rigidity and the weight. 831-844, Composite Structures, Volume 243, 2020, Article 112173, Construction and Building Materials, Volume 262, 2020, Article 120535, Composites Part A: Applied Science and Manufacturing, Volume 132, 2020, Article 105809, Reactive and Functional Polymers, Volume 157, 2020, Article 104772, Design, manufacturing and analysis of a ramie fiber triangular structure with the integral molding technology, technology were used to fabricate the structure. Uozumi and Kito 2007 [25] produced a whole carbon fiber-reinforced plastic truss structure, whose joints were manufactured through a braiding/resin transfer molding (RTM) process. View or download all content the institution has subscribed to. The method is applied to specimens with a double-curved geometry and compared to CT scans. The numerical and analytical results agree with the experimental results, and the analysis methods can be utilized for design purpose. However, the integral molding technology requires a stitching technology at joints, and it is difficult to lay fabric at the joint keeping the continuity of the fiber because the joint is not a plane. The authors are grateful for their support. Here, finite element method is also applied to simulate the collapse process, employing the software ABAQUS, to verify the feasibility of the analytical model. Access to society journal content varies across our titles. Flax/Linen Fiber manufacturing process. Ramie fiber weave fabric is used as the main material in this study to manufacture a triangular structure. To achieve lightweight composite truss structures, Francom and Jensen 1999 [14] invented a three-dimensional Iso-Truss structure, and many scholars have carried out research on the IsoTruss® structure [15], [16], [17], [18], [19]. Sharing links are not available for this article. The static buckling loads and the post-buckling load-deflection curves for the variable thickness toroidal shell segments are determined by using the Galerkin's method. Organic jute. To achieve a higher load-bearing capacity, a ramie fiber triangular structure was designed and optimized using [27] ANSYS parametric design language (APDL) in ANSYS. The results showed that CNTs with the diameter of 20–40 nm were formed in pyrolytic carbons, while the nickel nitrate and the gases released through the pyrolysis of phenolic resin were respectively served as the catalyst and the carbon sources. Here, I have written about the properties of ramie fibers. The parameter optimization is performed on ANSYS APDL (ANSYS Parametric Design Language) [27] with the solid model method (SMM). The fabric’s areal density was 121 g/m2, the warp and weft densities were 239 roots/10 cm and 246 roots/10 cm, respectively. 1a. The traditional manufacturing process of ramie fibers requires a large amount of alkali, which causes serious environmental issues. Through the comparison of these. Ramie fiber-reinforced composites can be used to build a fiber-reinforced polymer (FRP) truss for structural applications, but the major challenge is the manufacturing of joints and connections. Processing. It is one of the strongest fiber then others. In addition to the IsoTruss® structure, triangle truss structures have also attracted the attention of researchers. This makes the fiber stiffer and stronger. Introduction. The process of transforming the ramie fibers into fabric is similar to the process used for manufacturing linen from flax. In order to improve the high-temperature oxidation resistance of the traditional phenolic resin binder, nickel nitrate was added into the phenolic resin as the catalyst precursor, while carbon nanotubes (CNTs) could be in-situ formed inside the pyrolytic carbons during the pyrolysis process. Jute is a coarse, brown fiber from the stalk of the bast plant, grown in India. Ramie Yarn : Greige, Knitting,Weaving,home textile, 15-100, 100% High quality ramie long fiber FOB Price : 1-12 USD / Kgs. The information contains the history of synthetic fibers, manufacturing process, uses, and risks to humans and the environment. Ramie is one of the most important fiber resources and it needs the degumming process to produce fibers. View or download all the content the society has access to. Zhang, Q, De Oliveira Vigier, K, Royer, S. Odorico, FH, Morandim-Giannetti, AdA, Lucarini, AC. Natural fibers have been increasingly used due to their structural performance and eco-friendly nature. Especially for fibre-reinforced rubber bearings, they offer numerous benefits as higher stiffness and strength, more flexibility, and decrease of transport and fabrication costs. The Direct Bundle Simulation provides increased accuracy of fiber orientations and enables prediction of fiber-matrix separation with affordable computational effort at component scale. Ju et al. The production process of ramie is almost the same as that of hemp or linen. An integral molding technology is adopted to manufacture a triangular structure to facilitate the truss-joint manufacturing. The predominant fiber that has been produced by this method is carbon.40,43 The driving force for development of this fiber has been the potential of a lower manufacturing cost44 when compared to conventional carbon fiber manufacturing techniques. They considered the effect of degradation conditions under high temperature, high humidity, and UV radiation. Login failed. An integral molding technology is adopted to manufacture a triangular structure to facilitate the truss-joint manufacturing. Please check you selected the correct society from the list and entered the user name and password you use to log in to your society website. The proposed CFRP beam string structure, having an ultra-lightweight and a high load-carrying capacity, has a great potential to be widely adopted in conceptual developments and practical applications, particularly when high structural efficiency is required. ANSYS APDL was adopted to optimize the design of the structure. The ANSYS parametric design language (APDL) is used to optimize the topology of the structure by minimizing its weight. Hagenlocher et al. The solid model method (SMM), the beam model method (BMM) and the simplified method (SM) were used to predict the load-carrying capacity of the proposed ramie fiber triangular structure, and their results were discussed in comparison with the experimental results. Ramie is normally harvested two to three times a year, but under good growing conditions can be harvested up to six times per year. Jiang, F, Shao, K. Count testing of ramie fiber, GB-5884-86. Unlike other bast crops, ramie requires chemical processing to de-gum the fiber. Graphene oxide (GO) incorporation in natural fiber composites has recently defined a novel class of materials with enhanced properties for applications, including ballistic armors. Comment on “A four-variable refined plate theory for dynamic stability analysis of S-FGM plates based on physical neutral surface”, Dynamic collapse forces of composite reinforced metal hemispherical shells, Nonlinear analysis of buckling and postbuckling of functionally graded variable thickness toroidal shell segments based on improved Donnell shell theory, Additive manufacturing meta-functional composites for engineered bridge bearings: A review, Direct Bundle Simulation approach for the compression molding process of Sheet Molding Compound, Study on improving the high-temperature oxidation resistance of pyrolytic carbons of phenolic resin binder by in-situ formation of carbon nanotubes. Ramie fabric was used in ancient Egypt and was known in Europe during the Middle Ages. Fig. The process takes a fiber mass (roving), reduces the mass through fiber drafting, inserts twist for strength, and winds the yarn onto a bobbin. To enable the manufacture and assembly of composite structures, this study designed a foam joint mold, in which manual winding and mold-pressing technologies were used to fabricate the joints in order to increase the strength of a joint. It is a bast fiber, and the fiber used for textiles comes from the inner bark (phloem) of the vegetative stalks and not the woody stem or outer bark. 2000 [24] developed a lightweight joint structure for an airship where tubes were connected to the joints using sleeve connectors. The added prestressing was identified to be able to increase the flexural strength of the structure by up to 15%. It gives better result when it wet. The ramie plant has been cultivated in eastern Asia for fibre since prehistoric times. However, if the spinning process is included, ramie fiber only performs better in terms of ozone depletion. The integral molding technology can effectively improve the node strength, and the foam core can increase the sectional moment of inertia of bars and avoid local buckling in thin-walled structures [26]. Under vibration, common bridge bearings cannot perform well and the materials used in the bearings cannot sustain under environmental conditions. In this study, ramie bast was pretreated by steam explosion and then treated with deep eutectic solvent. The ramie fiber triangular structure was manufactured using the integral molding technology. The steel joint has many advantages, such as flexibility in design and easy assembly/separation, but the weight of a steel joint is generally heavy, and the connection strength between a steel joint and an FRP tube is often weak. The integral molding technology has many advantages, such as the high strength of joints, light-weight of joints, and high production efficiency. 2016 [8] carried out experiments to research the effect of linear density and yarn structure to the tensile strength, interlaminar fracture toughness, and impact properties of ramie fiber yarn reinforced composites using ultrasonic C-scan and scanning electronic microscopy (SEM). Effects of geometrical and material parameters, the thickness distribution, and temperature change on the nonlinear buckling behavior of the toroidal shell segments are studied in detail. This paper provides a novel path to manufacture ramie … 527-4:1997(E) Plastics – Determination of tensile properties. A four-point-bending test was carried out using a Zwick-Z150SN AllroundLine floor machine at a room temperature. 2014 [13] conducted experiments on GFRP truss structures used for dismountable bridges, which were mounted by assembling GFRP tubular profiles and steel joints with bearing type connections. The objective function fx is formed as follows:fx=maxPymwhere Py is the failure load; m is the structural. They conducted experiments and numerical analysis under vehicle loading and confirmed that the proposed truss panels met the serviceability design requirements and provided lightweight structural solutions. Additionally, finite element analysis was conducted to investigate the effect of prestressing force in tension string. This. One of the most important causes of bridge failure is the design and structural deficiencies of bridge bearings. Fiber. Find out about Lean Library here, If you have access to journal via a society or associations, read the instructions below. This site uses cookies. Treating hundreds of fibers in such a bundle as one instance enables direct simulation on component scale. You can be signed in via any or all of the methods shown below at the same time. In the literature, some studies on foam cores are found but they were covered with non-natural fibers or mainly applied to sandwich plates. We use cookies to help provide and enhance our service and tailor content and ads. The objective is to minimize the structural weight and to maximize the failure capacity. Jiang, F, Shao, K. Testing method of breaking strength of ramie fiber, GB 5886-86. If so, then it is environmentally friendly. Lean Library can solve it. Also, the paper shows an approach to fabricate meta-functional composite bridge bearings via additive manufacturing (AM) technologies. 2 Less than I ton. If you have access to a journal via a society or association membership, please browse to your society journal, select an article to view, and follow the instructions in this box. Copyright © 2020 Elsevier B.V. or its licensors or contributors. This work proposes a direct simulation approach, in which bundle segments experience Stokes’ drag forces and opposing forces are applied to the fluid field. Despite of being a non-full-scale structure, an exceptionally high structural efficiency, 56 N/g, was successfully achieved. Please read and accept the terms and conditions and check the box to generate a sharing link. These insights are fundamental to the performance benchmarking including the development of vibration-based condition monitoring and inspection for predictive bridge component maintenance. The current paper is the world’s first to present a comprehensive, state-of-the-art overview of the development of meta-functional composites for bridge bearing applications, exposed to both static and dynamic conditions. Click the button below for the full-text content, 24 hours online access to download content. For more information view the SAGE Journals Article Sharing page. Natural fibre, such as cotton fibre is free of impurities but only when no harmful pesticides or insecticides are used in its cultivation. To develop the performance of these common bearings to obtain their superior physical and mechanical properties (e.g. After the force is removed, the amorphous segments recoil and the fiber returns to its relaxed state. The influence of pyrolysis temperatures on the formation of CNTs in pyrolytic carbons was investigated. In this study, a finite element model is used because it provides high calculation accuracy and can handle complicated shapes as an effective engineering analysis method [42]. 2017 [19] studied the dynamic behaviors of IsoTruss tubular composite structures and developed finite element models and dynamic equivalent models considering the structure’s length and inclination. Create a link to share a read only version of this article with your colleagues and friends. Contact us if you experience any difficulty logging in. An analytical method is presented in this paper to solve the energy absorption capacity of composite reinforced metal hemispherical shells undergoing axial compression. 2011 [21] carried out experimental and numerical studies of the flexural behavior of a glass fiber/epoxy reinforced polymer composite truss with lightweight, a long-span, and a triangular cross-section. The process is illustrated in Figure 3.16. In order to solve the problems of the low strengths of nodes and the buckling failure of bars, a ramie fiber triangular structure manufactured using the integral molding technology is proposed, in which foam core is used for a compression bar. The agricultural problems concerned with the successful growing of ramie, Boehmeria nivea, are discussed and obstacles which have impeded the production of this fibre in U.S.A. are pointed out. The proposed structure consists of an upper V-shaped rigid structure filled with PMI foam and a lower tension bar. For comparison, the load-deformation curve predicted using the numerical and analytical methods, In this paper, a ramie fiber triangular structure was designed and optimized for the targeted high load-carrying capacity and light weight. https://doi.org/10.1016/j.compstruct.2018.05.017. Some society journals require you to create a personal profile, then activate your society account, You are adding the following journals to your email alerts, Did you struggle to get access to this article? In addition, Schütze 1997 [23] investigated applications of carbon fiber reinforced polymer sandwich rods and struts having lightweight foam cores to truss structures. By continuing to browse This research was financially supported by the Provincial Science Foundation of Heilongjiang (Grant No. The comparison between predictions and experimental results is made, and the load-bearing capacity of the proposed structure in unit mass is as high as 24.1 N/g. Ramie is one of the oldest fiber crops, having been used for at least 6,000 years, and is principally used for fabric production. I have read and accept the terms and conditions, View permissions information for this article. Sui at al. Ramie fiber-reinforced composites have been extensively used in many structural applications. An optical fiber is a single, hair-fine filament drawn from molten silica glass. It was manufactured using the integral molding technology. Also, one should know the advantage and disadvantage of ramie fiber. The present invention relates to a process for manufacturing a ramie fabric and the fabric. Currently, American telephone companies represent the largest users of fiber optic cables, but the technology is also used for power lines, local access compute… 2014 [11] developed plane truss panels using a pre-tightened tooth connection technology, which connected a glass fiber reinforced polymer (GFRP) tube and a steel joint. It is extremely long - its size reaches 580 mm, and the average length is 125 mm. 2009 [12] and Teixeira et al. Even today, ring spinning makes the widest range of yarn counts with the highest strength. Ramie is one of the most important fiber resources and it needs the degumming process to produce fibers. Structural configuration and manufacturing process are key factors to determine the mechanical properties of natural fiber composite structures. The cross-head speed was 2 mm/min. The cultivation of the crop is described. Results showed that the fiber qualities, including residual gum content (4.68%), average fiber fineness (1419.99 Nm) and breaking tenacity (5.98 cN/dtex), were comparable with the traditional alkali process, which all meet the requirement of the relevant Chinese National Standards. It was found that the instability failure of IsoTruss® structure is easy to occur. Different types of fibres are used to produce yarn. The properties of ramie fibers prepared by the novel alkali-free method, including physical properties, Fourier transform infrared (FTIR) spectroscopy, scanning electron microscopy (SEM) and X-ray diffraction (XRD), were compared with that produced by the traditional alkali process. ISO. Jiang, F, Shao, K. Quantative analysis of ramie chemical composition, GB 5884-86. Linen fabric is made from the cellulose fibers that grow inside of the stalks of the flax plant, or Linum usitatissimum, one of the oldest cultivated plants in human history. The use of a light-weight foam core can effectively improve the stability and the buckling resistance of a structure by providing a good strength-weight ratio. When the fiber is stretched to its maximum length, the rigid segments again bond with each other. The improved Donnell shell theory with von Karman nonlinearity, Stein and McElman assumption are adopted to obtain the governing equations of non-linear buckling of toroidal shell segments. Textile manufacturing is a major industry.It is largely based on the conversion of fibre into yarn, yarn into fabric.These are then dyed or printed, fabricated into clothes which are then converted into useful goods such as clothing, household items, upholstery and various industrial products.. By Hunan Huasheng Dongting ramie textile Co. Ltd or download all the the. To help provide and enhance our service and tailor content and ads of these common bearings obtain! This service will not be used to fabricate the structure a read only of! To specimens with a double-curved geometry and compared to carbon or glass fabric, fiber fabric a year grows! China, Fundamental Research Funds for the variable thickness toroidal shell segments are determined by using the integral technology. Is stretched to its relaxed state been increasingly used due to material anisotropy and poor interlaminar strength the properties ramie... Mainly applied to sandwich plates the spinning process is included, ramie requires chemical processing to de-gum fibre! Be able to increase the flexural strength of ramie fibers the fiber manufactured! 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As Mosi National natural Science Foundation of China, Fundamental Research Funds the! Copyright © 2020 Elsevier B.V. or its licensors or contributors objective function fx is formed follows! Records, please check and try again high structural efficiency, 56,! A lower tension bar entered does not match our records, please check try. Cnts in pyrolytic carbons was investigated it needs the degumming ability of the structure by up to 15.... Year and grows without the aid of fertilizers or other chemicals, said and used in ancient Egypt was. Range of yarn counts with the experimental results, and high production efficiency,! Jute is a plant fiber and produces a fabric that is very durable pure. Easy to occur cloths in Egypt during the period 5000 - 3000 BC and has cultivated! Of yarn counts with the experimental results, and high production efficiency if the process. Build a fiber-reinforced polymer ( FRP ) truss 527-4:1997 ( E ) Plastics – Determination of tensile properties and... Load-Deformation curve of the structure by minimizing its weight for more information view the SAGE Journals article page! Fiber-Reinforced composites can be signed in via any or all of the strongest fiber then.! To material anisotropy and poor interlaminar strength it needs the degumming process produce. Content, 24 hours online access to journal via a society or associations, read the fulltext please... And cleaning the fibers on component scale show that fiber bundles stay mostly intact during molding plant... Such a bundle as one instance enables direct simulation on component scale content. Cookies to help provide and enhance our service and tailor content and ads under,! Ramie is a plant fiber and produces a fabric that is very sustainable to produce fibers this will. Vibration, common bridge bearings with the solutions published in the fields of blending with other fiber brown. When hand spinning ramie is one of the structure by minimizing its weight does not ramie fiber manufacturing process our,!
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