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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 30 for “"natural fibres"”.
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Bio-composites materials from engineered natural fibres for structural applications
… improvement in mechanical properties for natural fibre reinforced bio-derived polymer composites, have long been a motivation for further research and innovation in natural fibre composites. Harakeke and hemp fibres, amongst other natural fibres, possess respectable mechanical properties …
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Characterisation of Halogen Free Fire Retardant Polypropylene Composites Reinforced by Short Natural Fibres
… industry towards replacing synthetic fibres with their natural counterparts. However, the limited thermal stability of natural fibres, which leads to degradation during processing mostly beyond 200⁰C, restricts the mass manufacturing methods, such as injection moulding. Halogen-based …
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The influence of fiber hybridisation on dynamic mechanical behavior of natural based composites
The relatively higher costs of synthetic fibres (glass, carbon, kevlar fibre) used in fibre reinforced composite materials make it desirable to investigate natural fibres as a source of possible reinforcement in low-cost applications. Natural fibres are abundant and represent a significant cost …
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Acoustical characteristic of empty fruit bunch (EFB) fibre with influence of sodium hydroxide treatment time and decay lifespan
Research on natural fibres has gain much interest in recent years due to the sustaibability and avaibility in which demand for green renewable reinforced composites. Natural fibres can be considered as the alternative way to replace the synthetic fibre as well as to implement the sustainability of …
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Natural fibre reinforced cement composites
… necessitated in finding alternative resource of fibres. Over the last two decades natural fibre (mainly wood pulp fibre) has emerged as the most acceptable alternative reinforcement for fibre cement products. The first three chapters of this study describe in some depth the preparation and …
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The influence of different chemical treatments on the mechanical properties of hemp fibre-filled polymer composites
… led the research community to explore the use of natural biodegradable raw materials as substitutes for manmade resources. Natural fibres are considered as substitutes for synthetic fibres in reinforced polymer matrix composites. Increased interest has been shown in natural fibres from plants such …
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Utilization of coconut fibres and ropes as concrete reinforcement in mortar-free construction with novel interlocking blocks: Considering its application in earthquake resistant housing
… The overall aim of the research is to develop natural fibre reinforced concrete structures, which can not only withstand earthquakes, but also are low cost and easy to construct. Natural fibres are cheap and locally available in many countries. For this study, coconut fibres were selected …
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Characterization of natural fibre reinforced biodegradable composities
… recyclability, and high specific strength of natural fibres make them a good replacement for synthetic fibre such as glass in fibre reinforced plastics (FRP). Green and ecofriendly source of these fibres offer less reliance on oil sources. However, their moisture uptake ability, low thermal …
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Shear strength behaviour of sugarcane bagasse reinforced soils
… application to industrial by-products and natural fibres as a way of reducing their environmental footprints and contributing to sustainable geotechnics. Although bagasse morphological composition contains structural elements ideal for reinforcement and composite materials, it has received …
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Multiscale Damage Modelling of Natural Fibre Composites
Natural fibre composites (NFCs) display several beneficial traits, including low density, renewability of sources, and full biodegradability when combined with polymers such as poly(lactic acid ). Environmental concerns and sustainability requirements have led to increased application of NFCs in …
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Acoustical characteristics of oil palm mesocarp fibres
Natural fibres are availability biomass, plentiful in agricultural waste and eco�friendly materials. Currently, it is become the major reasons for emerging renewable materials in sustainable technology. Therefore, this study discusses the acoustical characteristics of agro-waste biomass fibres from …
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Cellulose photonics: designing functionality and optical appearance of natural materials
… it represents one of the most promising natural resources for the fabrication of sustainable materials. In plants, cellulose is mainly used for structural integrity, however, some species organise cellulose in helicoidal nano-architectures generating strong iridescent colours. Recent …
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Rapid prototyping of green composites
… them. Green-, eco- or bio- composites employ natural fibres in conjunction with biodegradable, renewably sourced or less toxic (in use and in manufacturing) matrices. Benefits of using natural fibre composites are that besides being light, strong and less toxic, they are also cheaper, of lower …
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Isolation of Cellulose Nanofibres: Elucidation of a Novel Approach Utilizing Fungal Pretreatment
… Isolation and application of cellulose nanofibres is expanding rapidly due to their environmental benefits and specific strength properties, especially in nano-biocomposite area. Currently, cellulose nanofibres are isolated from natural fibres through a combination of high energy refining …
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Reducing the risk of open display: optimising the preventive conservation of historic silks
… however these are ephemeral objects. Amongst the natural fibres found in historic houses, silk is reported to be the most vulnerable to damage, especially from light. The critical deterioration factors for silk deterioration have been reassessed highlighting the important role of humidity, which …
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The effect of blast loading on composites that contain sustainable materials
… sustainability, bio-based resins, and natural fibres as reinforcements in Fibre Reinforced Polymer (FRP) composites offer potential benefits, and some of these can be used in different applications particularly when strength is of secondary importance (such as automotive, architecture, …
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Occurrence, characterisation and variations of microplastics and cellulose fibres in the Scottish Atlantic coastal marine environment
… Investigations into semi-synthetic and<br/>natural fibres found that cellulose fibres were mostly natural even though semi-synthetic fibres were also present. The<br/>cellulose fibres dominated the particles found in mussels (60%), seawater (53%)<br/>and in the sediment (63%). This work …
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Behaviour of waste tyre fibre-reinforced cement-stabilised Perth sand
… investigate the effects of adding synthetic and natural fibres to soil as the reinforcing material alone or with cement. Utilisation of the fibres from waste materials such as used tyres and carpets, which are available in large quantities worldwide, can be beneficial. Though significant research …
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Testing the Forensic Predictive Geolocation Significance of Human-made Particulates in Urban Surface Soils
… microscopy analyses to determine the number of fibres with a human-made origin in the samples. Furthermore, potential plastic particles were handpicked from 10 samples for fourier-transform infrared spectroscopy(FTIR)analysis. <br/><br/>Then hand-picked particles were analysed with the FTIR and …
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Data capture and analysis for the Lincoln College Wool Measurement Service: A dissertation submitted in partial fulfilment of the requirement for the degree of Bachelor of Agricultural Science (Honours) at Lincoln College
… Major competitors in this market include other natural fibres as well as synthetic fibres, all of which are becoming of increasingly high quality. Manufactured competing fibres can be readily specified by three basic measurement : - fibre diameter - fibre length - fibre type, i.e. chemical …
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