The effects of composite layer (viz. In this work, an ultra-lightweight beam string structure made of carbon fiber reinforced polymer (CFRP) composites was designed, optimized, fabricated and tested. Properties of Ramie Fibers: The properties of ramie fibers are given below: Ramie is a cellulosic natural fiber. The integral molding technology and the prepreg technology were used to fabricate the structure. An optical fiber is a single, hair-fine filament drawn from molten silica glass. Based on the demand of the ramie fiber, a detail study were made on possibility of utilizing ramie fibre with different silk … The integral molding technology has many advantages, such as the high strength of joints, light-weight of joints, and high production efficiency. Unlike steel truss members that can be welded, FRP joining is complicated due to material anisotropy and poor interlaminar strength. This makes the fiber stiffer and stronger. The ANSYS parametric design language (APDL) is used to optimize the topology of the structure by minimizing its weight. It is a durable fiber. 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. Meanwhile, the increased temperature could promote the formation of the CNTs, and further improve the graphitization degree and the high-temperature oxidation resistance of the pyrolytic carbons. Banana Fiber to fabric | Extraction Process, Yarn Spinning & Weaving Process | Innovative Textile: What is Banana Fiber? These fibers are replacing metal wire as the transmission medium in high-speed, high-capacity communications systems that convert information into light, which is then transmitted via fiber optic cable. 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]. The fiber is very durable, pure white with a silky sheen. 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]. 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. 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. Linen is a textile made from hairs of the flax plant. 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. It is a platform to express your knowledge throughout the world. 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. A four-point-bending test was carried out using a Zwick-Z150SN AllroundLine floor machine at a room temperature. Ramie fiber-reinforced composites can be used to build a fiber-reinforced polymer (FRP) truss. The traditional manufacturing process of ramie fibers requires a large amount of alkali, which causes serious environmental issues. Ramie fabric was used in ancient Egypt and was known in Europe during the Middle Ages. Under vibration, common bridge bearings cannot perform well and the materials used in the bearings cannot sustain under environmental conditions. The e-mail addresses that you supply to use this service will not be used for any other purpose without your consent. 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. Ramie is one of the most important fiber resources and it needs the degumming process to produce fibers. Copyright © 2020 Elsevier B.V. or its licensors or contributors. However, if the spinning process is included, ramie fiber only performs better in terms of ozone depletion. In the literature, some studies on foam cores are found but they were covered with non-natural fibers or mainly applied to sandwich plates. 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. Processing. Rackliffe et al. The manufacturing process of Sheet Molding Compounds (SMC) induces a reorientation of fibers during the flow, which influences local properties and is of interest for structural computations. 2009 [12] and Teixeira et al. Through the comparison of these. 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. Simply select your manager software from the list below and click on download. The present invention relates to a process for manufacturing a ramie fabric and the fabric. 2006 [18] conducted experiments and numerical analyses to investigate the compressive buckling behavior of composite IsoTruss® grid structure columns having the advantage of lightweight. Ramie is normally harvested two to three times a year, but under good growing conditions can be harvested up to six times per year. 1a. The process of transforming the ramie fibers into fabric is similar to the process used for manufacturing linen from flax. Target ramie fiber triangle structure. 51409065), and the Fundamental Research Funds for the Central Universities. Fig. 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]. Natural fibers have been increasingly used due to their structural performance and eco-friendly nature. © 2018 Elsevier Ltd. All rights reserved. By continuing you agree to the use of cookies. Additionally, finite element analysis was conducted to investigate the effect of prestressing force in tension string. Ramie is one of the most important fiber resources and it needs the degumming process to produce fibers. The influence of pyrolysis temperatures on the formation of CNTs in pyrolytic carbons was investigated. Ramie fiber weave fabric is used as the main material in this study to manufacture a triangular structure. It is one of the strongest fiber then others. View or download all the content the society has access to. Treating hundreds of fibers in such a bundle as one instance enables direct simulation on component scale. The ANSYS, Provincial Science Foundation of Heilongjiang, National Natural Science Foundation of China, Fundamental Research Funds for the Central Universities. 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. The Direct Bundle Simulation provides increased accuracy of fiber orientations and enables prediction of fiber-matrix separation with affordable computational effort at component scale. 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. It gives better result when it wet. Flax/Linen Fiber manufacturing process. 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. Currently, American telephone companies represent the largest users of fiber optic cables, but the technology is also used for power lines, local access compute… Unlike other bast crops, ramie requires chemical processing to de-gum the fibre. Also, one should know the advantage and disadvantage of ramie fiber. To investigate the mechanical properties of ramie fiber-reinforced composites, a significant amount of theoretical and numerical analyses and experiments have been carried out in recent years including the following studies: Chen et al. 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. The present results are validated by comparing with the solutions published in the available literature for the specific cases. Create a link to share a read only version of this article with your colleagues and friends. This. 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]. The numerical and analytical results agree with the experimental results, and the analysis methods can be utilized for design purpose. Ramie fiber-reinforced composites have been extensively used in many structural applications. In this study, ramie bast was pretreated by steam explosion and then treated with deep eutectic solvent. Ring spinning is the oldest type of fiber spinning still in use. Linen is bast fiber. The method is applied to specimens with a double-curved geometry and compared to CT scans. Jiang, F, Shao, K. Count testing of ramie fiber, GB-5884-86. Lean Library can solve it. 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. Especially for fibre-reinforced rubber bearings, they offer numerous benefits as higher stiffness and strength, more flexibility, and decrease of transport and fabrication costs. Zhang, Q, De Oliveira Vigier, K, Royer, S. Odorico, FH, Morandim-Giannetti, AdA, Lucarini, AC. 2009 [10] studied the tensile, toughness, energy absorption, bonding, and deformation resistance properties of green composites reinforced with mercerized ramie yarns. Of degradation conditions under high temperature, high humidity, and the environment of tensile properties you can be challenge. The site you are agreeing to our use of cookies subscribed to by steam explosion and treated. With cotton, flax, wool, polyester, acrylic and silk of all types XRD results all the! 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