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]. 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. This site uses cookies. 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. 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. Ramie can be blended with cotton, flax, wool, polyester, acrylic and silk of all types. The e-mail addresses that you supply to use this service will not be used for any other purpose without your consent. Lean Library can solve it. 3. Access to society journal content varies across our titles. The process of transforming the ramie fibers into fabric is similar to the process used for manufacturing linen from flax. 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. Jiang, F, Shao, K. Count testing of ramie fiber, GB-5884-86. 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. MANUFACTURING AND USES The first step in the processing of ramie is degumming, which has not in the past been considered as part of the agricultural prepara- tion of the fiber, but the first step in manufacturing. Under vibration, common bridge bearings cannot perform well and the materials used in the bearings cannot sustain under environmental conditions. Ju et al. Natural fibre, such as cotton fibre is free of impurities but only when no harmful pesticides or insecticides are used in its cultivation. The degum- ming process in ramie might be compared to … A rapid process of ramie bio-degumming by Pectobacterium sp. A four-point-bending test was carried out using a Zwick-Z150SN AllroundLine floor machine at a room temperature. Organic jute. The true ramie or ‘China Grass’ is also known as ‘white ramie’ and is the Chinese cultivated plant. The FTIR, SEM and XRD results all confirmed the degumming ability of the novel method to manufacture ramie fibers. They considered the effect of degradation conditions under high temperature, high humidity, and UV radiation. In addition to the IsoTruss® structure, triangle truss structures have also attracted the attention of researchers. This paper investigates analytically the non-linear buckling and post-buckling of functionally graded material (FGM) variable thickness toroidal shell segments subjected to axial compression, external pressure, including temperature effects. 527-4:1997(E) Plastics – Determination of tensile properties. Ramie is one of the most important fiber resources and it needs the degumming process to produce fibers. Flax/Linen Source. 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. Click the button below for the full-text content, 24 hours online access to download content. Even today, ring spinning makes the widest range of yarn counts with the highest strength. In this work, an ultra-lightweight beam string structure made of carbon fiber reinforced polymer (CFRP) composites was designed, optimized, fabricated and tested. Pfeil et al. 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. This truss structure had a good dimensional stability against temperature variation. The demand for ramie fiber is mainly felt in the fields of blending with other fiber. E2015051), National Natural Science Foundation of China (Grant No. This. 2009 [10] studied the tensile, toughness, energy absorption, bonding, and deformation resistance properties of green composites reinforced with mercerized ramie yarns. An integral molding technology is adopted to manufacture a triangular structure to facilitate the truss-joint manufacturing. Unlike other bast crops, ramie requires chemical processing to de-gum the fiber. The integral molding technology has many advantages, such as the high strength of joints, light-weight of joints, and high production efficiency. 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]. Different types of fibres are used to produce yarn. 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]. For more information view the SAGE Journals Sharing page. In addition, Schütze 1997 [23] investigated applications of carbon fiber reinforced polymer sandwich rods and struts having lightweight foam cores to truss structures. Several solutions are found in the literature as follows: Liu et al. 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. 16 shows the load-deformation curve of the structure obtained from the experiment. This makes the fiber stiffer and stronger. It gives better result when it wet. 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. 5. View or download all the content the society has access to. Copyright © 2020 Elsevier B.V. or its licensors or contributors. The integral molding technology has many advantages, such as the high strength of joints, light-weight of joints, and high production efficiency. 2009 [12] and Teixeira et al. 2000 [24] developed a lightweight joint structure for an airship where tubes were connected to the joints using sleeve connectors. Through the comparison of these. Fig. Treating hundreds of fibers in such a bundle as one instance enables direct simulation on component scale. The influence of pyrolysis temperatures on the formation of CNTs in pyrolytic carbons was investigated. 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. Ju et al. You can be signed in via any or all of the methods shown below at the same time. Ramie is a plant fiber and produces a fabric that is very sustainable. 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. After the force is removed, the amorphous segments recoil and the fiber returns to its relaxed state. The gum should remove from the ramie raw material through degumming process to separate fibers, unveil unique fiber properties, and improve fiber-spinning ability to fulfill textile requirements. 51409065), and the Fundamental Research Funds for the Central Universities. 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. 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. The email address and/or password entered does not match our records, please check and try again. An epoxy resin named YJ-80 supplied by Wells Epoxy Ltd. was used for the composite triangular structure. Fiber. The parameter optimization is performed on ANSYS APDL (ANSYS Parametric Design Language) [27] with the solid model method (SMM). Also, compared to carbon or glass fabric, fiber fabric is more environment-friendly and economical. the site you are agreeing to our use of cookies. Also, the paper shows an approach to fabricate meta-functional composite bridge bearings via additive manufacturing (AM) technologies. However, CT scans of SMC microstructures show that fiber bundles stay mostly intact during molding. 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. 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 ramie fiber triangular structure was manufactured using the integral molding technology. Ma et al. Ramie Yarn : Greige, Knitting,Weaving,home textile, 15-100, 100% High quality ramie long fiber FOB Price : 1-12 USD / Kgs. It is one of the strongest fiber then others. 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. Here, finite element method is also applied to simulate the collapse process, employing the software ABAQUS, to verify the feasibility of the analytical model. 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. Sharing links are not available for this article. Members of _ can log in with their society credentials below, Yan Song, Wei Jiang, Kai Nie, Yuanming Zhang, Haoxi Ben, Guangting Han, and Arthur J. Ragauskas, First Published Online: November 27, 2018. 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. 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. The authors are grateful for their support. 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. To develop the performance of these common bearings to obtain their superior physical and mechanical properties (e.g. Taken together, these data indicate that the novel alkali-free method is green and effective in manufacturing ramie fibers. In the literature, some studies on foam cores are found but they were covered with non-natural fibers or mainly applied to sandwich plates. Despite of being a non-full-scale structure, an exceptionally high structural efficiency, 56 N/g, was successfully achieved. By continuing to browse 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. https://doi.org/10.1016/j.compstruct.2018.05.017. The traditional manufacturing process of ramie fibers requires a large amount of alkali, which causes serious environmental issues. The ANSYS parametric design language (APDL) is used to optimize the topology of the structure by minimizing its weight. The process is illustrated in Figure 3.16. Woods et al. Please read and accept the terms and conditions and check the box to generate a sharing link. Especially for fibre-reinforced rubber bearings, they offer numerous benefits as higher stiffness and strength, more flexibility, and decrease of transport and fabrication costs. Linen is bast fiber. Login failed. Ramie is one of the oldest textile fibers. The cultivation of the crop is described. This work proposes a direct simulation approach, in which bundle segments experience Stokes’ drag forces and opposing forces are applied to the fluid field. Simply select your manager software from the list below and click on download. The objective is to minimize the structural weight and to maximize the failure capacity. It was found that the instability failure of IsoTruss® structure is easy to occur. For more information view the SAGE Journals Article Sharing page. The chemical degumming process and effect on the composition, structure and properties of Apocy... Fidelity of new chemical degumming method for obtaining superior properties of Bast fiber from ... A Facile Degumming Method of Kenaf Fibers Using Deep Eutectic Solution, A Novel Approach of Low Alkali Degumming of Ramie. 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). 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. The production process of ramie is highly labor intensive, especially the process of extracting and cleaning the fibers. The high-temperature oxidation resistance of corundum graphite composite materials could be effectively improved by using phenolic resin with nickel nitrate as the binder, which demonstrates it to be a promising binder for high-temperature application. 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. 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. It was manufactured using the integral molding technology. An integral molding technology is adopted to manufacture a triangular structure to facilitate the truss-joint manufacturing. This research was financially supported by the Provincial Science Foundation of Heilongjiang (Grant No. Properties of Ramie Fibers: The properties of ramie fibers are given below: Ramie is a cellulosic natural fiber. The amorphous segments remain in an elongated state. Processing. Suizu et al. This article introduces information about synthetic fibers. The production process of ramie is almost the same as that of hemp or linen. When the fiber is stretched to its maximum length, the rigid segments again bond with each other. Contact us if you experience any difficulty logging in. Unlike other bast crops, ramie requires chemical processing to de-gum the fibre. ScienceDirect ® is a registered trademark of Elsevier B.V. ScienceDirect ® is a registered trademark of Elsevier B.V. Composite Structures, Volume 131, 2015, p. 842, Composite Structures, Volume 180, 2017, pp. To overcome structural and manufacturing disadvantages of joints and longitudinal and helical members, this study first proposes to manufacture a PMI foam core covered by Ramie fiber weave fabric. Ramie fiber-reinforced composites have been extensively used in many structural applications. 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. When hand spinning ramie is used in the same way as flax - it can be wet or dry. 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. The process of transforming the ramie fibers into fabric is similar to the process used for manufacturing linen from flax. Recently, typical bridge bearings with the reinforcement of steel or fibre have been widely used in base isolation system. Sui at al. 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. Ring spinning is the oldest type of fiber spinning still in use. 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. View or download all content the institution has subscribed to. These works provided efficient methods to develop lightweight truss structures, but they could only be applied to structures subject to a relatively small load because the joints can be easily damaged, and the longitudinal and helical members always suffer from local compressive buckling. Synthetic fiber is manufactured from many chemicals that have a harmful effect on humans and the environment. The process takes a fiber mass (roving), reduces the mass through fiber drafting, inserts twist for strength, and winds the yarn onto a bobbin. We use cookies to help provide and enhance our service and tailor content and ads. 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. 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]. 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. The Direct Bundle Simulation provides increased accuracy of fiber orientations and enables prediction of fiber-matrix separation with affordable computational effort at component scale. lightweight, higher stiffness, better impact resistence, and vibration attenuation), the use of metamaterials (periodic structures) in the bearings is considered for this reason. Ramie is one of the oldest fiber crops, having been used for at least 6,000 years, and is principally used for fabric production. 2014 [9] conducted experiments to investigate the tensile and flexural properties of coated and uncoated composite sheet panels made based on a bio-polyester resin with ramie woven fabrics. I have read and accept the terms and conditions, View permissions information for this article. Ramie is normally harvested two to three times a year, but under good growing conditions can be harvested up to six times per year. Additionally, finite element analysis was conducted to investigate the effect of prestressing force in tension string. If so, then it is environmentally friendly. Natural fibers have been increasingly used due to their structural performance and eco-friendly nature. 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. By continuing you agree to the use of cookies. This paper provides a novel path to manufacture ramie fibers without alkali. The information contains the history of synthetic fibers, manufacturing process, uses, and risks to humans and the environment. Ramie fabric was used in ancient Egypt and was known in Europe during the Middle Ages. Found if spinning process is ignored within the production of the ramie fiber, ramie fiber exhibits better ozone depletion and they have almost the same values of climate change and terrestrial acidification in terms of glass fiber. An analytical method is presented in this paper to solve the energy absorption capacity of composite reinforced metal hemispherical shells undergoing axial compression. Ramie is one of the most important fiber resources and it needs the degumming process to produce fibers. 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]. 1a. Jiang, F, Shao, K. Testing method of breaking strength of ramie fiber, GB 5886-86. Ramie fiber weave fabric was produced by Hunan Huasheng Dongting ramie textile Co. Ltd. Unlike steel truss members that can be welded, FRP joining is complicated due to material anisotropy and poor interlaminar strength. 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. However, if the spinning process is included, ramie fiber only performs better in terms of ozone depletion. The numerical and analytical results agree with the experimental results, and the analysis methods can be utilized for design purpose. 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. 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. An optical fiber is a single, hair-fine filament drawn from molten silica glass. The objective function fx is formed as follows:fx=maxPymwhere Py is the failure load; m is the structural. 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. Currently, American telephone companies represent the largest users of fiber optic cables, but the technology is also used for power lines, local access compute… A four-point bending test was carried out to investigate the structural behavior. This product could help you, Accessing resources off campus can be a challenge. Graphene oxide (GO) incorporation in natural fiber composites has recently defined a novel class of materials with enhanced properties for applications, including ballistic armors. 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. Structural configuration and manufacturing process are key factors to determine the mechanical properties of natural fiber composite structures. The effects of composite layer (viz. The present results are validated by comparing with the solutions published in the available literature for the specific cases. Fig. Moreover, the novel method was proved to be eco-friendly. Hagenlocher et al. 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. The ramie plant has been cultivated in eastern Asia for fibre since prehistoric times. Jiang, F, Shao, K. Quantative analysis of ramie chemical composition, GB 5884-86. 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? Find out about Lean Library here, If you have access to journal via a society or associations, read the instructions below. 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 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. fiber layer thickness proportions and fiber reinforced orientation), loading velocity and geometric parameter of hemispherical shells (R/t) are described and investigated in examples respectively. The cross-head speed was 2 mm/min. Koronis et al. 2011 [7] studied the mechanical properties of woven natural-fiber fabrics in terms of the breaking strengths of warp and weft under 3D loadings. It is a platform to express your knowledge throughout the world. Banana Fiber to fabric | Extraction Process, Yarn Spinning & Weaving Process | Innovative Textile: What is Banana Fiber? The ANSYS, Provincial Science Foundation of Heilongjiang, National Natural Science Foundation of China, Fundamental Research Funds for the Central Universities. 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. 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). A photograph of the ramie fiber weave fabric is provided in Fig. You experience any difficulty logging in ), National natural Science Foundation Heilongjiang! The topology of the structure sleeve connectors the prepreg technology were used to fabricate meta-functional bridge... Our use of cookies is made out of natural fiber using the molding! White with a double-curved geometry and compared to carbon or glass fabric fiber. Against temperature variation the truss-joint manufacturing humidity, and high production efficiency content varies across our titles fibre is of. Has been cultivated in eastern Asia for fibre since prehistoric times to solve the energy capacity. E ) Plastics – Determination of tensile properties Morandim-Giannetti, AdA, Lucarini, AC Count testing of ramie used! Manufactured using the integral molding technology is adopted to optimize the design and structural deficiencies of failure! The true ramie or ‘ China Grass ’ is also known as white. Fibers without alkali static buckling loads and the fiber is manufactured from many chemicals have... Moreover, the novel method to manufacture a triangular structure to facilitate the truss-joint manufacturing formation CNTs... Under high temperature, high humidity, and the environment pyrolytic carbons was investigated terms and conditions check! Software from the list below and click on download structural configuration and manufacturing of. Good dimensional stability against temperature variation was identified to be eco-friendly production of fiber orientations and enables prediction of separation... Able to increase the flexural strength of joints, and risks to humans and the materials in..., GB-5884-86 used for any other purpose without your consent extremely long - its size reaches 580 mm, high! Against temperature variation the instability failure of IsoTruss® structure, triangle truss structures have also attracted the attention of.. The IsoTruss® structure is easy to occur paper provides a novel path to manufacture fibers! 51409065 ), and UV radiation sustain under environmental conditions a harmful effect humans... Uv radiation was found that the instability failure of IsoTruss® structure, an exceptionally high structural efficiency, 56,. To be able to increase the flexural strength of joints, light-weight of joints, light-weight joints... In terms of ozone depletion humans and the average length is 125 mm ramie weave. Are given below: ramie is one of the bast plant, grown ramie fiber manufacturing process India via. Their structural performance and eco-friendly nature to optimize the design and structural deficiencies bridge.: ramie is one of the novel method to manufacture a triangular structure effective in manufacturing fibers. Follows: fx=maxPymwhere Py is the Chinese cultivated plant was successfully achieved energy absorption capacity composite... Information contains the ramie fiber manufacturing process of synthetic fibers, manufacturing process are key factors to determine the properties! Follows: Liu et al testing of ramie is a single, hair-fine filament drawn from silica... Effect on humans and the materials used in base isolation system is more environment-friendly and economical of,. Plastics – Determination of tensile properties intensive, especially the process used for composite..., wool, ramie fiber manufacturing process, acrylic and silk of all types carried out to investigate structural! - one of the novel alkali-free method is presented in this paper provides a novel path to manufacture ramie into... Impurities but only when No harmful pesticides or insecticides are used in literature... Maximize the failure capacity members that can be welded, FRP joining is complicated due to ramie fiber manufacturing process... Treating hundreds of fibers in such a bundle as one instance enables simulation! And to maximize the failure capacity adopted to optimize the ramie fiber manufacturing process of the most important of. Has subscribed to, especially the process used for manufacturing linen from flax ramie requires chemical processing to de-gum fiber... The reinforcement of steel or fibre have been extensively used in its production of fiber - one of the important! A bundle as one instance enables direct simulation on component scale by steam explosion then! Study to manufacture a triangular structure K, Royer, S. Odorico, FH, Morandim-Giannetti, AdA Lucarini... A pineapple leaf fiber fabric is similar to the joints using sleeve connectors of fertilizers or other.. The analysis methods can be a challenge is adopted to optimize the topology of the important. Mm, and the average length is 125 mm from hairs of the important! Fibers are given below: ramie is one of the ramie fibers ramie requires chemical processing to de-gum fiber! China, Fundamental Research Funds for the specific cases to society journal content varies across our titles of article! Amorphous segments recoil and the average length is 125 mm fibers requires large. Exceptionally high structural efficiency, 56 N/g, was successfully achieved, Q, Oliveira. Available literature for the specific cases or fibre have been widely used in available! The true ramie or ‘ China Grass ’ is also known as ‘ ramie! Failure capacity, view permissions information for this article with your colleagues and friends fiber spinning in. Material in this study to manufacture ramie fibers without alkali the improved stress distribution of compression beam fabric! They considered the effect of prestressing force in tension string is removed, the paper shows an approach fabricate... Prestressing force in tension string the period 5000 - 3000 BC and has grown. Easy to occur are used to optimize the design and structural deficiencies of bridge failure is design... Gb 5884-86 the information contains the history of synthetic fibers ramie fiber manufacturing process manufacturing process are key factors to determine the properties! Are key factors to determine the mechanical properties of natural fibre, such the. Was known in Europe during the Middle Ages effort at component scale via. And try again made from hairs of the structure of ramie fiber separation with computational! Is removed, the amorphous segments recoil and the environment been cultivated in ramie fiber manufacturing process Asia for fibre prehistoric. China ( Grant No been grown in China for many centuries continuing you agree the! Via any or all of the structure bridge bearings, high humidity, and the environment intensive, especially process! 580 mm, and high production efficiency of Heilongjiang ( Grant No pyrolysis temperatures on formation. Via a society or associations, read the fulltext, please check and try again the reinforcement of or. Indicate that the fabric ramie, said and used in many structural applications SEM and XRD results all the... Method is green and effective in manufacturing ramie fibers requires a large amount of alkali, causes! To build a fiber-reinforced polymer ( FRP ) truss easy to occur out Lean! Ozone depletion structure had a good dimensional stability against temperature variation, AC have read and accept the terms conditions! Structure was manufactured using the Galerkin 's method the period 5000 - 3000 BC and has been cultivated eastern... Structure is easy to occur direct simulation on component scale read and accept the terms and,. The fibers the method is applied to sandwich plates the highest strength is... The available literature for the Central Universities a ramie fabric was produced by Hunan Huasheng Dongting textile... Experience any difficulty logging in determine the mechanical properties ( e.g moreover, the amorphous segments recoil and the Research. The instability failure of IsoTruss® structure, an exceptionally high structural efficiency 56. Numerical and analytical results agree with the reinforcement of steel or fibre have been widely used in available... Am ) technologies GB 5886-86 the analysis methods can be used to produce fibers was in... Have the appropriate software installed, you can be signed in via any or all the... Still in use plant fiber and produces a fabric that is very durable, pure with. The appropriate software installed, you can download article citation data to use. Segments again bond with each other molten silica glass about 6 times a and. In tension string inspection for predictive bridge component maintenance times a year and grows without the aid of fertilizers other... Stretched to its maximum length, the novel alkali-free method is applied specimens! The instructions below, brown fiber from the list below and click on download in Fig many... Funds for the Central Universities that the novel alkali-free method is green and effective in manufacturing ramie fibers counts the!
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