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Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 28 for “"Natural fibers"”.
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Lightweight concrete : investigations into the production of natural fiber reinforcement
… study is to investigate the benefits of adding natural fiber tensile reinforcement to aerated concrete. Concrete is a great composite material which can be created in various proportions and with various materials to alter its strength, density and porosity, amongst other properties. Concrete …
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Investigation of interfacial bonding in banana fiber-reinforced composites : ascribing global economic value to unique renewable resources in developing countries.
Natural fibers have increased in popularity in the polymer composite industry, due to the steady rise of consumer pressure for biodegradable and environmentally-friendly products. However, the organic nature of these natural fibers causes poor interfacial bonding with the majority of thermoplastic …
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Natural fiber reinforced aerated concrete : an experimental investigation
… completed investigating the benefits of adding natural fiber tensile reinforcement to aerated concrete. Concrete is a great composite material which can be created in various proportions and with various materials to alter its strength, density and porosity, amongst other properties. Concrete …
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A comparative study of athletic apparel made from cotton/flax, cotton/polyester, and polyester/flax blends
… from a blend of polyester or other synthetic fibers. Through examining the uniqueness of natural fibers, such as cotton and flax, the advantages and benefits of using a higher percentage of natural fibers when manufacturing comfortable and functional high performance athletic wear can be …
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Mix design and testing improvements for 3D printable concrete mixtures with fibers
… rebar, many researchers and companies have used fibers distributed throughout the concrete mix for tension reinforcement. The work presented in this paper was part of a project with the Army Corps of Engineers and Missouri S&T to explore concrete 3D printing with worldwide locally available …
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Crashworthiness capability of jute and glass fibre reinforced epoxy tubes under quasi-static loading condition for automotive application
During last few years, the interest in using natural fibers as reinforcement in polymers has increased dramatically. Natural fibers are not only strong and lightweight but also relatively very cheap. This study examined the potential utilization of jute in the crash energy absorption. A combination …
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Rice straw fiber polymer composites: thermal and mechanical performance
… the thermal decomposition process of rice straw fibers. A method proposed by Málek, Šesták, and co-workers was used to investigate and model thermal decomposition process of common natural fibers with detailed analysis on rice straw system. Assuming a global model occurring within the entire …
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Aplication of circular economy to manufacture sneakers from the banana pseudostem yarn
… soil contamination, due to the use of synthetic fibers and bad waste management. But new solutions have been developed, one of them being the replacement of natural fiber for synthetic fiber, one of the natural fibers is the banana fiber obtained from the pseudostem using mechanical machinery. …
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Biorenewable polymer thermoplastic biocomposites
… can include various terrestrial based plants naturally grown throughout the world. The focus of this work was on the natural fiber feedstocks that are created as waste streams from a wide range of industries, in particular agave fibers. Creating a composite composed of fibrous materials would …
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A study of the crease-resistance of viscose rayon
… is a very greatly desirable property in textile fibers. Of the natural fibers, wool exhibits this property to the greatest degree, followed by silk, cotton, and flax, which has a very low crease-resistance. The artificial cellulose fibers fall considerably below wool and silk in this respect. The …
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Scroop, luster, and hand : the science and sensuality of silk
… places. Silk's molecular structure, unique among natural fibers, imparts equally unique physical and chemical properties. It is these properties that give silk the versatility and functionality of which such staying power is made. Its strength and resilience make silk valuable as a material, …
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ANALYZING THE INTERFACIAL PROPERTIES OF NATURAL FIBER COMPOSITES
… composites, typically composed of synthetic fibers and petroleum-based resins, offer outstanding mechanical properties but are associated with significant ecological drawbacks due to their non-biodegradable nature and energy-intensive production. This has led to increased interest in the …
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Pressure Variation Assisted Fiber Extraction and Development of High Performance Natural Fiber Composites and Nanocomposites
… matrix. There is also a trend of utilizing natural resources or reusing and recycling materials that are already available for the fabrication of the new composite materials. Cellulose is the most abundant natural polymer on the planet, and therefore it is not surprising to be of interest …
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Wave Propagation and Damage Characterization in Natural Fiber Hemp and LLDPE Composite
Research in incorporating natural fibers in composites has been in progress for a few decades where the various mechanical, electrical and acoustic properties of such composites were explored. Natural fiber composites (NFCs) have few benefits over the traditional glass or carbon fiber composites …
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Development of a codon-optimized Latrodectus hesperus MaSp1 synthetic gene for bacterial protein expression using a seamless cloning strategy
… racing to manufacture synthetic dragline silk fibers. With the production of synthetic dragline silk fibers, there are unlimited commercial applications. In this study, we developed several codon-optimized MaSp1 minifibroin constructs for recombinant protein expression in bacteria. These …
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Development of optimal dyeing methods with natural dyes for environmentally friendly hemp textile
… aimed to more fully understand the effects of natural dyes including tea, pomegranate, and myrobalan on hemp fabric. The basic purpose of this study was to develop a natural dyeing process for natural fibers that improved wash fastness. It focused on the formulation for dyeing with natural …
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Chemical Modification of Cellulose Fibers and their Orientation in Magnetic Field
Studies that involve natural fiber orientation in a matrix were mostly based on regulating shear forces during mixing of fiber and matrix. This study attempts to propose a novel technique for orientating natural fibers like cellulose in a viscous polymer matrix such as polylactic acid (PLA) by …
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Effect of rice husk silica reinforcement on recycled aa7075 aluminum chip matrix composite properties
… AA7075 reinforced silica by rice husk (waste natural fibers) as metal matrix composite. This study approaches the solid state technique to investigate the effect of rice husk silica as a reinforcement agent in metal matrix composites as it has remarkably lower operation cost and energies …
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Fibra de calotropis procera: uma alternativa eficaz na remoção de hidrocarbonetos de petróleo em meio salino como bioadsorvente
… is the use of sorption method by employing natural fibers and biomass is one form of an economic and efficient way. The objective of this work was to investigate the adsorbent capacity of Calotropis Procera fiber for the removal of petroleum oil in a saline water environment, using its …
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Sound absorption performance of EFBMF panel for building acoustic material
… and the environment have led to the use of natural materials. This research aims to introduce two sources of natural fibers from palm oil residues as an acoustic material. Empty fruit bunches (EFB) and mesocarp fibers (MF) were mixed with commercial wood binder to form panels for acoustic …
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