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First published: 18 July About this book The Handbook of Composites from Renewable Materials comprises a set of 8 individual volumes that brings an interdisciplinary perspective to accomplish a more detailed understanding of the interplay between the synthesis, structure, characterization, processing, applications and performance of these advanced materials. Summary PDF Request permissions. Free Access. The growing concern towards environmental problems and the urgent need for more versatile environmental friendly materials has led to increasing attention about polymer composites, i.
Biodegradable polymers coming from natural resources are also one important constituent of green composites. This chapter provides tactic for readers regarding the materials used for the fabrication and specific application of green composites in various fields.
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Furthermore, a discussion of the major material attributes of green composites is provided. From these focuses, a series of balancing application properties are explained.
The chapter concludes that green composites have potential for use in a number of applications, but as with all design, one must carefully match the material to the application. Many traditional materials that have been used in various engineering applications for long periods of time are being switched by new green materials to contribute meeting the demand of weight reduction, environmental issues as well as customer satisfaction attributes.
Since natural fibers have many advantages, such as low cost, lightweight and environmentally friendly, researchers start put more effort in this area to utilize its benefits in producing bio-composite materials.smtp.manualcoursemarket.com/182-azithromycin-et.php
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However, design in green bio-composites has many challenges. One of the most important challenges is the limited availability of design data due to the large variety of fibers, matrices, and manufacturing processes.
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- 1. Introduction?
- Green Biocomposites;
- 1. Introduction!
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In consequence, several factors must be considered in the design process of green bio-composites, namely: processing consideration, selection of additives, selection of polymers, as well as good part design. Moreover, high coefficients of safety are still being used because of the difficulty to precisely model the material behavior, which in turn leads to oversize the structures. Therefore, proper testing, evaluation and manufacturing processes have to be considered by designers to be capable of producing functional produces regarding both macro and nano-scale bio-composite.
Bionanocomposite is one of the remarkable achievements of nanotechnology in material science to replace conventional non-biodegradable petroleum based plastics for packaging applications. Bio based materials could provide a solution for petroleum shortage and waste management problems. One of the potential reinforcing agents is agro industrial based is cellulose.
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Such composites demonstrate improved properties as compared to the neat biopolymers due the large surface area and high aspect ratio of nanoparticles. This study has given a clear overview of nanocellulose based composites by describing their isolation, surface modification, composite preparation, properties, and applications. Furthermore, the obtained results for developed bionanocomposites materials shows that it can be a promising alternative for conventional packaging materials with improved properties.
Recently, biocomposites became highly valuable due to their environmental advantages. The growing environmental awareness of people and the new stringent green policies enacted by governments has intensify the search and development of more environmentally friendly materials to preserve our immediate environment and public health. However, the selection of bio-based materials is quite difficult to perform compared to conventional materials like synthetic fibers and plastics.
Ebook Biocomposites Design And Mechanical Performance
Hence, the use of computer aided tools for choosing bio-based materials help to minimize material selection errors and accommodates the increasing number of new materials as well as prevents financial and time loss. This review presented a brief insight of biocomposite materials selection using computer aided systems such as expert systems. Multi-criteria decision making models or tools also plays significant role in the evaluation and selection of materials.
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Numerous factors of various materials such as mechanical properties, material cost, environmental performance, just to name a few, are considered in the material selection process. These factors mostly contradict or even conflict with each other, which further complicates the task. Hence, to alleviate material selection problems and ease out decision making procedures, multi-criteria decision making MCDM approach is employed.
MADM is the most common approach utilized for composite material selection purposes.
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This chapter also discusses about life cycle assessment LCA of products which is one of the widely used techniques in analyzing and quantifying the effect of biocomposite products on the surrounding environment during their total life time. Finally, a Case study on material selection of Bio-resin for biocomposites using modified digital logic and weighted property method was presented. Prosthetic socket is one of important part as it involved interface or connecting link between stump and prosthetic components.
Besides the functionality of socket itself, it also involved satisfaction on patient due to the force distribution and pressure on stump. The quality and comfort of a prosthetic socket and its design can determine the daily extent of period, as the patients can use their artificial limbs and lead as normal life as possible.
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Overview Biocomposites: Design and Mechanical Performance describes recent research on cost-effective ways to improve the mechanical toughness and durability of biocomposites, while also reducing their weight. Describes recent research to improve the mechanical properties and performance of a wide range of biocomposite materials Explores the mechanical properties of a wide range of biocomposite materials, including polylactic, polyethylene, polycarbonate, oil palm, natural fiber epoxy, polyhydroxyalkanoate, polyvinyl acetate, and polyurethane Evaluates the potential of biocomposites as substitutes for petroleum-based plastics in industries such as packaging, electronic, automotive, aerospace and construction Includes contributions from leading experts in this field.
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