June 18, 2021

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Sustainable Composites for Lightweight Applications

Sustainable Composites for Lightweight Applications
Author : Hom Dhakal,Sikiru Oluwarotimi Ismail
Publisher : Woodhead Publishing
Release Date : 2020-11-22
Category : Technology & Engineering
Total pages :310
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Carbon and glass fibre reinforced composite materials have been used for many years in several different types of applications. However, these conventional composites are derived from non-renewable reinforcements and they pose a significant threat to the environment. Government legislation and consumer behaviour have recently forced many industries to adapt sustainable composites. Industries such as automotive, marine and aerospace are now seeking sustainable lightweight composites with the aim to reduce the overall weight of the components with enhanced materials and design aspects. Therefore, there is high demand on research for the development of sustainable lightweight composites. This book presents a comprehensive review of lightweight composites with the central aim to increase their use in key industrial sectors such as automotive, marine and aerospace. There is no such book currently available that is dedicated to sustainable lightweight applications covering important topics such as key drivers for lightweight composites, mechanical properties, damage characterisation, durability and environmental aspects. Key topics that are addressed include: The roles of reinforcements and matrices in composite materials Sustainable natural fibre reinforcements and their morphological structures Lightweight applications and properties requirements Design, manufacturing processes and their effects on properties Testing and damage characterisation of composite materials Sustainable composites and techniques for property enhancement Future trends and challenges for sustainable composites in lightweight applications It will be a valuable reference resource for those working in material Science, polymer science, materials engineering, and industries involved in the manufacture of automotive and aerospace components from lightweight composite materials. Provides a comprehensive review of sustainable lightweight composites looking at key industrial applications such as automotive, marine, and aerospace and construction Important relationships between structure and properties are analysed in detail Enhancement of properties through hybrid systems, are also explored with emphasis on design, materials selection and manufacturing techniques

Sustainable Composites for Aerospace Applications

Sustainable Composites for Aerospace Applications
Author : Mohammad Jawaid,Mohamed Thariq
Publisher : Woodhead Publishing
Release Date : 2018-04-27
Category : Technology & Engineering
Total pages :388
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Sustainable Composites for Aerospace Applications presents innovative advances in the fabrication, characterization and applications of LDH polymer nanocomposites. It covers fundamental structural and chemical knowledge and explores various properties and characterization techniques, including microscopic, spectroscopic and mechanical behaviors. Users will find a strong focus on the potential applications of LDH polymer nanocomposites, such as in energy, electronics, electromagnetic shielding, biomedical, agricultural, food packaging and water purification functions. This book provides comprehensive coverage of cutting-edge research in the field of LDH polymer nanocomposites and future applications, and is an essential read for all academics, researchers, engineers and students working in this area. Presents fundamental knowledge of LDH polymer nanocomposites, including chemical composition, structural features and fabrication techniques Provides an analytical overview of the different types of characterization techniques and technologies Contains extensive reviews on cutting-edge research for future applications in a variety of industries

Lightweight and Sustainable Materials for Automotive Applications

Lightweight and Sustainable Materials for Automotive Applications
Author : Omar Faruk,Jimi Tjong,Mohini Sain
Publisher : CRC Press
Release Date : 2017-06-01
Category : Technology & Engineering
Total pages :497
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Automotive manufacturers are required to decrease CO2 emissions and increase fuel economy while assuring driver comfort and safety. In recent years, there has been rapid development in the application of lightweight and sustainable materials in the automotive industry to help meet these criteria. This book provides critical reviews and the latest research results of various lightweight and sustainable materials in automotive applications. It discusses current applications and future trends of lightweight materials in the automotive area. While there are a few books published mainly focusing on automotive applications of metallic lightweight materials, to date there is no available book focusing on a broad spectrum of lightweight materials, including metal, plastic, composites, bio-fiber, bio-polymer, carbon fiber, glass fiber, nanomaterials, rubber materials, and foaming materials, as this work does. The book also includes case studies of commercial lightweight automotive parts from sustainable lightweight materials, providing an invaluable resource to those involved in this in-demand research and commercialization area.

Lightweight and Sustainable Materials for Automotive Applications

Lightweight and Sustainable Materials for Automotive Applications
Author : Omar Faruk,Jimi Tjong,Mohini Sain
Publisher : CRC Press
Release Date : 2017-06-01
Category : Technology & Engineering
Total pages :497
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Automotive manufacturers are required to decrease CO2 emissions and increase fuel economy while assuring driver comfort and safety. In recent years, there has been rapid development in the application of lightweight and sustainable materials in the automotive industry to help meet these criteria. This book provides critical reviews and the latest research results of various lightweight and sustainable materials in automotive applications. It discusses current applications and future trends of lightweight materials in the automotive area. While there are a few books published mainly focusing on automotive applications of metallic lightweight materials, to date there is no available book focusing on a broad spectrum of lightweight materials, including metal, plastic, composites, bio-fiber, bio-polymer, carbon fiber, glass fiber, nanomaterials, rubber materials, and foaming materials, as this work does. The book also includes case studies of commercial lightweight automotive parts from sustainable lightweight materials, providing an invaluable resource to those involved in this in-demand research and commercialization area.

Repair of Polymer Composites

Repair of Polymer Composites
Author : Andrew J. Jefferson,V. Arumugam,Hom Dhakal
Publisher : Woodhead Publishing
Release Date : 2018-02-24
Category : Technology & Engineering
Total pages :474
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Repair of Polymer Composites: Methodology, Techniques, and Challenges discusses fundamental issues related to the repair of composites and their suitability in various industrial sectors, such as aerospace, automotive, marine and construction, etc. The repair of composites is complex and requires a thorough understanding of the various types of damage mechanisms in order to apply the appropriate NDT techniques. This book explores these issues in significant detail and presents systematic procedures and methods, thus serving as a useful reference for both undergraduate and postgraduate students, academic researchers, engineers and other professionals who are interested in this exciting field of research. Discusses fundamental issues related to the repair of composites and their suitability in various industrial sectors, including aerospace, automotive, marine and construction, etc. Provides comprehensive coverage, from the fundamental aspects, to real applications Serves as a useful reference for both undergraduate and postgraduate students, academic researchers, engineers and other professionals Presents different types of repair techniques by correlating different parameters and challenges

Biofiber Reinforcements in Composite Materials

Biofiber Reinforcements in Composite Materials
Author : Omar Faruk,Mohini Sain
Publisher : Elsevier
Release Date : 2014-09-25
Category : Technology & Engineering
Total pages :772
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Natural fiber-reinforced composites have the potential to replace synthetic composites, leading to less expensive, stronger and more environmentally-friendly materials. This book provides a detailed review on how a broad range of biofibers can be used as reinforcements in composites and assesses their overall performance. The book is divided into five major parts according to the origins of the different biofibers. Part I contains chapters on bast fibers, Part II; leaf fibers, Part III; seed fibers, Part IV; grass, reed and cane fibers, and finally Part V covers wood, cellulosic and other fibers including cellulosic nanofibers. Each chapter reviews a specific type of biofiber providing detailed information on the sources of each fiber, their cultivation, how to process and prepare them, and how to integrate them into composite materials. The chapters outline current and potential applications for each fiber and discuss their main strengths and weaknesses. The book is divided into five major parts according to the origins of the different biofibers - bast, leaf, seed; grass, reed and cane fibers, and finally wood, cellulosic and other fibers including cellulosic nanofibers. This book provides a detailed review on how a broad range of biofibers can be used as reinforcements in composites and assesses their overall performance The chapters outline current and potential applications for each fiber and discuss their main strengths and weaknesses

Mechanical Analyses and Design Methods of High Performance Engineered Bio-composites with Tri-axial Structural Core

Mechanical Analyses and Design Methods of High Performance Engineered Bio-composites with Tri-axial Structural Core
Author : Jinghao Li
Publisher : Unknown
Release Date : 2016
Category :
Total pages :206
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Structural composites, which are light weight and exhibit high stiffness and damage tolerance, arouse considerable attention in high-tech applications such as aircraft, satellites, high-speed trains and automotive vehicles. The potentials of these composites are developed by using efficient materials and structural optimization. However, most structural composites are made from metal or fiber-reinforced polymer composites and utilized for high-tech applications with their associated high costs. While the demand for sustainability increases for low-cost common applications, there are unique challenges and opportunities to develop new sustainable composites for light weight engineered materials with a wide range of performance. Thus, it may be possible that bio-composites with efficient structures might sufficiently fill some niche applications for the purpose of substantial development and environmental protection. For this reason, we are working to develop high performance engineered structural bio-composites (ESBs) having improved capabilities. Engineered structural bio-composites (ESBs) with a tri-axial structure core are made from wood-fiber-based laminated papers. These ESB's are not only utilized in building and construction of decks, walls and roofing, but are also applied in container and packaging applications. Moreover, high-strength reinforced fabrics such as carbon fiber or glass fiber fabric are selected for bio-composites reinforcement to meet higher requirements for some high-value applications. The benefits of ESBs, including low density, high strength, fire resistance, water repellency and thermal insulation, are achieved based on various material combinations and design configuration. These green and sustainable (ESB) materials are expected to have huge potential markets and applications. This research presents a systematic analysis of ESB panels made from phenolic impregnated laminate paper composites with different configurations. The design of ESB panels is very flexible to efficiently meet the different requirements for various applications. The panels are assembled using a bonded face-core system. The ribbed core is tri-axial oriented, utilizing a novel fastening configuration of slots in the faces and tabs of the core rib structure to enhance the interface strength. Thermal insulation materials such as self-expanding urethane foam can be selectively used to fill the space between tri-axial ribs for improving insulation properties. This project consisted of three phases. For the first phase, the strength, buckling mode and damage tolerance of ESB with different configurations were initially investigated using compression tests. The different variables and behaviors were analyzed and discussed through the flatwise and edgewise compressions. In the second phase, the static mechanical performances and behaviors of ESB panels with different sizes and configurations were analyzed using bending tests. Twelve strain gages, including normal strain gages and shear strain gages, were attached in each type of ESB panel for analyzing the interior strain distributions in bending. Based on the experimental results, new, simplified orthogonal models, with or without core shear effect of equivalent element, were developed to analyze the mechanical performances of these ESB panels. This was accomplished by transferring repeatable elements of the tri-axial ribbed core and incorporating different laminate plate theories in comparison with finite element model (FEM) and a simple I-beam equation. The analytical results showed that the simplified orthogonal models had good agreement with the experimental data. Then, a new balanced design method was built to fully make use of constituent materials for the ESB panels based on the simplified orthogonal model and FEM simulation. In the third phase, the dynamic mechanical behaviors of the ESB panels were investigated using fatigue tests and low velocity impact tests. The mechanical behavior and failure mechanism of fatigue for the ESB panels were then analyzed and discussed throughout the experiments. The experimental results showed that the ESB panels had better fatigue performance than the traditional wood-based structural panels, and the ESB panels with slot and tab configuration significantly increased the fatigue capacity. For low-velocity impact tests, dynamic behaviors of the ESB panels with different configurations were studied. Experimental results showed that the configuration design and the component materials significantly affected low-velocity impact behaviors and capacity. The core with smaller tri-axial structure had better low-velocity impact performance and energy absorption. We also observed that a stiffer face improved the low-velocity impact performance. The optimum performance of panel can be engineered based on the design requirements.

Lightweight Ballistic Composites

Lightweight Ballistic Composites
Author : Ashok Bhatnagar
Publisher : Woodhead Publishing
Release Date : 2006-07-14
Category : Technology & Engineering
Total pages :448
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Ballistic composites need to be lightweight and durable as well as exhibiting high impact resistance and damage tolerance. This important book reviews these requirements, how the materials used for ballistic composites meet them and their range of applications. The first part of the book explores material requirements and testing. There are chapters on bullets and bullet fragments, material responses to ballistic impact, standards and specifications, modelling and test methods. Part Two reviews the range of materials used, production methods and applications. Topic discussed include high-perfo.

Effect of Sustainable and Composite Materials on the Mechanical Behavior of Sandwich Panels Under Edgewise Compressive Loading

Effect of Sustainable and Composite Materials on the Mechanical Behavior of Sandwich Panels Under Edgewise Compressive Loading
Author : Justin A. Tafoya
Publisher : Unknown
Release Date : 2015
Category : Composite materials
Total pages :102
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Over the last three decades, the aerospace industry has gradually shifted from metals to composites in many different applications due to the lightweight properties of composite materials. Some benefits of composites include higher strength-to-weight ratio and corrosion resistance. At this point in time, the composite industry researchers are focusing on renewable and sustainable materials (bio-composites). By understanding the structural capabilities of bio-composites that have been used for centuries, new developments of sustainable materials will spark more interest throughout the industry. Bio-composites include fibers such as hemp, bamboo, flax, etc. The high demand for bio-composites in composite structures can also reduce raw material costs.

Design Optimization of Sustainable Panel Systems Using Hybrid Natural/synthetic Fiber Reinforced Polymer Composites

Design Optimization of Sustainable Panel Systems Using Hybrid Natural/synthetic Fiber Reinforced Polymer Composites
Author : Janelle C. Riemersma Musch
Publisher : Unknown
Release Date : 2008
Category : Fibers
Total pages :264
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Green Composites

Green Composites
Author : Caroline Baillie,Randika Jayasinghe
Publisher : Woodhead Publishing
Release Date : 2017-01-27
Category : Technology & Engineering
Total pages :220
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Green Composites: Waste-based Materials for a Sustainable Future, Second Edition presents exciting new developments on waste-based composites. New, additional, or replacement chapters focus on these elements, reflecting on developments over the past ten years. Authors of existing chapters have brought these themes into their work wherever possible, and case study chapters that connect materials engineering to the topic's social context are included in this revised edition. Professor Baillie believes that the new ‘green’ is the "what and who" composites are being designed for, "what" material needs we have, and "what" access different groups have to the technical knowledge required, etc. Industry is now showing concerns for corporate social responsibility and social impact. Recent conversations with prestigious materials institutions have indicated a growing interest in moving into areas of research that relate their work to beneficial social impacts. The book's example of Waste for Life demonstrates the genre proposed for the case study chapters. Waste for Life adopts scientific knowledge and low-threshold/high-impact technologies. Provides insights into the changes in the Industry, including a greater understanding of noticing that the bottom line is influenced by poor social relations and negative social impact Presents tactics any industry should consider to make engineering part of the solution instead of the problem Includes case study chapters that connect materials engineering in a social context Covers waste green composites, fueling a new direction of research for many Universities

Proceedings of the International Workshop on Sustainable Development and Concrete Technology, Beijing, China, May 20-21, 2004

Proceedings of the International Workshop on Sustainable Development and Concrete Technology, Beijing, China, May 20-21, 2004
Author : Kejin Wang
Publisher : Center for Transportation Research and Education Iowa State University
Release Date : 2004
Category : Concrete construction
Total pages :359
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Textiles, Polymers and Composites for Buildings

Textiles, Polymers and Composites for Buildings
Author : G Pohl
Publisher : Elsevier
Release Date : 2010-09-27
Category : Technology & Engineering
Total pages :512
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Textiles, polymers and composites are increasingly being utilised within the building industry. This pioneering text provides a concise and representative overview of the opportunities available for textile, polymer and composite fibres to be used in construction and architecture. The first set of chapters examine the main types and properties of textiles, polymers and composites used in buildings. Key topics include the types and production of textiles, the use of polymer foils and fibre reinforced polymer composites as well as textiles and coatings for tensioned membrane structures. The second part of the book presents a selection of applications within the building industry. Chapters range from the use of textiles in tensile structures, sustainable building concepts with textile materials, innovative composite-fibre applications for architecture, to smart textile and polymer fibres for structural health monitoring. With its distinguished editor and team of international contributors, Textiles, polymers and composites for buildings is an important reference for architects, fabric manufacturers, fibre-composite experts, civil engineers, building designers, academics and students. Provides a concise and representative overview of the opportunities available for textile, polymer and composite fibres to be used in construction Provides an insight into how high-tech textiles already influence our daily lives as well as potential applications in modern buildings Features a thorough discussion of technical characteristics and requirements of textiles used for buildings and construction

Development of Locally Available Sandwich Composite for Sustainable Lightweight Structures

Development of Locally Available Sandwich Composite for Sustainable Lightweight Structures
Author : Areej Thabit Al malkawi
Publisher : Unknown
Release Date : 2020
Category : Electronic dissertations
Total pages :204
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Aerated slurry-infiltrated chicken mesh was evaluated as a lightweight and structurally resilient material for building construction. Aerated slurry with relatively low structural qualities was shown to perform favorably when used as a matrix with chicken mesh reinforcement in structural applications. The high specific surface area of chicken mesh and the close spacing of its wires (when used at 2-4% volume fraction) effectively enhance the mechanical performance and dimensional stability of the aerated slurry. The chicken mesh structural behavior also benefits significantly from embedment in the aerated slurry, which mitigates the reorientation tendency of the chicken mesh wires under tension. This effect enables mobilization of the tensile load-carrying capacity of the wires in chicken mesh at structurally viable deformations.A comprehensive experimental program was undertaken at materials and structures levels in order to develop aerated slurry-infiltrated chicken mesh materials and structural systems with a desired balance of strength, ductility and hysteretic energy dissipation capacity. The bulk density of the aerated slurry and the chicken mesh volume fraction were some key variables in the design of the new (composite) building material. With proper selection of these variables, the synergistic actions of the aerated slurry and the chicken mesh in the context of the composite material were confirmed. Empirical models were developed for the mechanical performance of this composite material. In the future, the structural performance of this composite material may be verified by constructing a full-scale building system and conducting shaking table tests.

Innovation & Sustainability of Structures

Innovation & Sustainability of Structures
Author : Anonim
Publisher : Unknown
Release Date : 2005
Category : Building materials
Total pages :582
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