Multiscale Textile Preforms And Structures For Natural Fiber Composites

Textile reinforcement forms (preforms) play an important role in determining the properties of the final composite and product. The preform formation process provides precise control of the fiber architecture and orientation using a suitable textile manufacturing technique. While the techniques employed for preparing glass and carbon preforms are well-known, there is still a gap in understanding on how to prepare natural preforms for composite reinforcements. Multiscale Textile Preforms and Structures for Natural Fiber Composites will bridge this gap by presenting unified knowledge on the relevant preform preparation techniques and resulting fiber architectures. Emphasis is on the structural parameters of each preform and their effect on the final composite properties. The book assembles information and knowledge on natural fiber reinforcement forms including conventional forms such as spun yarn, woven, knitted, nonwoven, braided and comingled. These are illustrated and classified into one-, two- and three-dimensional reinforcements. The book also includes information on non-conventional preform formation techniques such as, unidirectional tapes, pre-impregnated preforms, spread tows, powerRibs and 3D printing filaments.

Textile reinforcement forms (preforms) play an important role in determining the properties of the final composite and product. The preform formation process provides precise control of the fiber architecture and orientation using a suitable textile manufacturing technique. While the techniques employed for preparing glass and carbon preforms are well-known, there is still a gap in understanding on how to prepare natural preforms for composite reinforcements. Multiscale Textile Preforms and Structures for Natural Fiber Composites will bridge this gap by presenting unified knowledge on the relevant preform preparation techniques and resulting fiber architectures. Emphasis is on the structural parameters of each preform and their effect on the final composite properties. This book assembles information and knowledge on natural fiber reinforcement forms, including conventional forms, such as spun yarn, woven, knitted, nonwoven, braided, and comingled. These are illustrated and classified into one-, two-, and three-dimensional reinforcements. This book also includes information on nonconventional preform formation techniques such as unidirectional tapes, pre-impregnated preforms, spread tows, and tailored fiber placement. Covers all relevant textile processing technology for natural fiber preforms Provides academic researchers with a better understanding of recent practices in preparing textile reinforcements for natural fiber composites Helps practitioners determine how to use natural fiber reinforcements in producing new sustainable and innovative composites

Natural Fiber Textile Composite Engineering sheds light on the area of the natural fiber textile composites with new research on their applications, the material used, the methods of preparation, the different types of polymers, the selection of raw materials, the elements of design the natural fiber textile polymer composites for a particular end use, their manufacturing techniques, and finally their life cycle assessments (LCA). The volume also addresses the important issue in the materials science of how to utilize natural fibers as an enhancement to composite materials. Natural fiber-reinforced polymer composites have been proven to provide a combination of superior mechanical property, dielectric property, and environmental advantages such as renewability and biodegradability. Natural fibers, some from agricultural waste products, can replace existing metallic and plastic parts and help to alleviate the environmental problem of increasing amounts of agriculture residual. The book is divided into four sections, covering: applications of natural fiber polymer composites design of natural fiber polymer composites composite manufacturing techniques and agriculture waste manufacturing composite material testing methods The first section of the book deals with the application of textile composites in the industry and the properties of the natural fibers, providing an understanding of the history of natural fiber composites as well as an analysis of the different properties of different natural fibers. The second section goes on to explain the textile composites, their classification, different composite manufacturing techniques, and the different pretreatment methods for the natural fibers to be used in composite formation. It also analyzes the composite material design under different types of loading and the mechanism of failure of the natural fiber composite. The effect of the fiber volume fraction of different textile structures is explained. The third section of the book, on composite manufacturing techniques and agriculture waste manufacturing, concerns the natural fiber composite manufacturing techniques, agricultural waste, and the methods of their preparation to be used successfully in the composite, either in the form of fibers particles or nanoparticles. The book then considers the testing methods of the different composite components as well as the final composite materials, giving the principle of the testing standards, either distractive or nondestructive. This book attempts to fill the gap between the role of the textile engineer and the role of the designer of composites from natural fibers. It provides important information on the application of textile composites for textile engineers, materials engineers, and researchers in the area of composite materials.

Natural fiber composites are a preferred alternative to conventional composites due to their environment-friendly nature. However, their market share is limited due to: a) limited number and quantities of natural fibers available for composites, b) diversity in fibers structure, c) poor mechanical properties of fibers as well as composites, d) susceptibility to microbial attacks, and e) cellulose degradation temperature around 200 deg C, which hinders the development of natural fiber reinforced thermoplastic composites using thermoforming at high temperatures. A number of researchers have contributed to the solution of the problem of poor mechanical properties and issues related to fabrication during the last decade. This book covers these different solutions. The book is divided into two principal themes: a) structure–property relationship: fibers to composites—it includes the discussion on fibers, their surface modifications, variation in the structure of reinforcement, and approaches for the enhancement of properties. b) Fabrication process of composites—it includes the novel approaches used for the development of natural fiber composites using the commingling technique for thermoplastic composites.

This book covers the use of accessible natural fibers towards the requirement and compatibility of industrial sustainability. Using natural characteristics of composites through technology and techniques, the inherent qualities of natural fibers are discussed in relation to the design of experiments. This book also elaborates on the durability of composites subjected to environmental conditions, biodegradability, environmental issues, product life cycle assessment and testing methods. Offers detailed coverage of functional aspects of natural fiber composites along with applications Discusses natural fiber inherent character based composite formation techniques Reviews micro-mechanical and macro-mechanical properties and functional use of natural fiber reinforced composites Content based on functional requirements selection and process consideration Discusses product life cycle assessment and recycling techniques This book is aimed at researchers, students, industrialists, and fabricators of composites.

Research on natural fiber composites is an emerging area in the field of polymer science with tremendous growth potential for commercialization. Hybrid Natural Fiber Composites: Material Formulations, Processing, Characterization, Properties, and Engineering Applications provides updated information on all the important classes of natural fibers and their composites that can be used for a broad range of engineering applications. Leading researchers from industry, academia, government, and private research institutions from across the globe have contributed to this highly application-oriented book. The chapters showcase cutting-edge research discussing the current status, key trends, future directions, and opportunities. Focusing on the current state of the art, the authors aim to demonstrate the future potential of these materials in a broad range of demanding engineering applications. This book will act as a one-stop reference resource for academic and industrial researchers working in R&D departments involved in designing composite materials for semi structural engineering applications. Presents comprehensive information on the properties of hybrid natural fiber composites that demonstrate their ability to improve the hydrophobic nature of natural fiber composites Reviews recent developments in the research and development of hybrid natural fiber composites in various engineering applications Focuses on modern technologies and illustrates how hybrid natural fiber composites can be used as alternatives in structural components subjected to severe conditions

In the last few decades, natural fibers have received growing attention as an alternative to the synthetic fibers used in the reinforcement of polymeric composites, thanks to their specific properties, low price, health advantages, renewability, and recyclability. Furthermore, natural fibers have a CO2-neutral life cycle, in contrast to their synthetic counterparts. As is widely known, natural fibers also possess some drawbacks, e.g., a hydrophilic nature, low and variable mechanical properties, poor adhesion to polymeric matrices, high susceptibility to moisture absorption, low aging resistance, etc. This implies that their applications are limited to non-structural interior products. To overcome this problem, the hybridization of natural fibers with synthetic ones (i.e., glass, carbon, and basalt) or different natural fibers can be a solution. For this reason, extensive research concerning natural–synthetic and natural–natural hybrid composites has been done in the last years. In this context, this book aims to collect some interesting papers concerning the use of natural fibers together with synthetic ones with the aim of obtaining hybrid structures with good compromise between high properties (e.g., mechanical performances, thermal behavior, aging tolerance in humid or aggressive environments, and so on) and environment care.