Lightweight Ballistic Composites

Lightweight Ballistic Composites
Author: Ashok Bhatnagar
Publisher: Woodhead Publishing
Total Pages: 484
Release: 2016-04-19
Genre: Technology & Engineering
ISBN: 0081004257
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Lightweight Ballistic Composites: Military and Law-Enforcement Applications, Second Edition, is a fully revised and updated version of this informative book that explores the many changes in composite materials technology that have occurred since the book's first release in 2008, especially the type of commercial products used by armed forces around the world. Some changes can be attributed to the wars in Iraq and Afghanistan, whereas others are due to massive investment by private companies to neutralize the ever-increasing global threats and fulfill the military's appetite for lighter materials. Soldiers are now better protected against new ballistic threats and the overall weight of body protection has been reduced, while comfort has increased. New military vehicles are no longer purely armored with steel, and are instead lined with lightweight ballistic materials that increase the distance military vehicles can travel without refueling and also improve maneuverability. The book considers all aspects of lightweight ballistic composites from fiber manufacturing to commercial products and testing. Chapters also cover the many uses of lightweight ballistic composites in the military and law-enforcement industries. It will be an invaluable reference for ballistic composite design engineers, product development engineers, and all those involved in promoting new products for both defense and the law-enforcement industry. Gives comprehensive coverage on all aspects of lightweight ballistic composites, from fiber manufacturing, to commercial products and testing Discusses the wider applications of lightweight ballistic composites in military and law-enforcement industries Edited by a highly respected industry expert with over thirty years’ experience developing lightweight composite ballistic materials and products

Lightweight Ballistic Composites

Lightweight Ballistic Composites
Author: Ashok Bhatnagar
Publisher: Woodhead Publishing
Total Pages: 444
Release: 2006-06-30
Genre: Technology & Engineering
ISBN: 1845691555
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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.After an introductory chapter, Lightweight ballistic composites is split into two main sections. 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. Topics discussed include high-performance ballistic fibres and ceramics, non-woven ballistic and prepreg composites, and their uses in body armour, vehicle and aircraft protection.This major book is the first of its kind to give a comprehensive review of the current use of lightweight ballistic composites in both military and law-enforcement applications. It is an invaluable reference for all those involved in personnel and vehicle protection in defence and police forces around the world. Reviews the current use of lightweight ballistic composites in both military and law-enforcement application An authoritative overview of the range of materials used, production methods and applications Explores material requirements and testing

Composite Solutions for Ballistics

Composite Solutions for Ballistics
Author: Yasir Nawab
Publisher: Woodhead Publishing
Total Pages: 392
Release: 2021-08-05
Genre: Technology & Engineering
ISBN: 0128219904
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Academic researchers who are working on the development of composite materials for ballistic protection need a deeper understanding on the theory of material behavior during ballistic impact. Those working in industry also need to select proper composite constituents, to achieve their desired characteristics to make functional products. Composite Solutions for Ballistics covers the different aspects of ballistic protection, its different levels and the materials and structures used for this purpose. The emphasis in the book is on the application and use of composite materials for ballistic protection. The chapters provide detailed information on the various types of impact events and the complexity of materials to respond to those events. The characteristics of ballistic composites and modelling and simulation results will enable the reader to better understand impact mechanisms according to the theory of dynamic material behavior. A complete description of testing conditions is also given that includes sensors and high-speed devices to monitor ballistic events. The book includes detailed approaches and schemes that can be implemented in academic research into solutions for ballistic protection in both theoretical and experimental fields, to find solutions for existing and next generation threats. The book will be an essential reference resource for materials scientists and engineers, and academic and industrial researchers working in composite materials and textiles for ballistic protection, as well as postgraduate students on materials science, textiles and mechanical engineering courses. Discusses the fundamentals of impact response mechanisms and related solutions covering advantages and disadvantages for both existing and next generation applications Includes various methods for evaluation of ballistic constituents according to economic and environmental criteria, types of green ballistics are considered to enhance sustainable production of applications as well as hybrid composites from natural wastes Discusses selection methodologies for ballistic applications and detailed information on the use of textiles for reinforcement fabrication

Advanced Fibrous Composite Materials for Ballistic Protection

Advanced Fibrous Composite Materials for Ballistic Protection
Author: Xiaogang Chen
Publisher: Woodhead Publishing
Total Pages: 550
Release: 2016-01-21
Genre: Technology & Engineering
ISBN: 1782424849
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Advanced Fibrous Composite Materials for Ballistic Protection provides the latest information on ballistic protection, a topic that remains an important issue in modern times due to ever increasing threats coming from regional conflicts, terrorism, and anti-social behavior. The basic requirements for ballistic protection equipment are first and foremost, the prevention of a projectile from perforating, the reduction of blunt trauma to the human body caused by ballistic impact, the necessity that they are thermal and provide moisture comfort, and that they are lightweight and flexible to guarantee wearer’s mobility. The main aim of this book is to present some of the most recent developments in the design and engineering of woven fabrics and their use as layering materials to form composite structures for ballistic personal protection. Chapter topics include High Performance Ballistic Fibres, Ultra-High Molecular Weight Polyethylene (UHMWPE), Ballistic Damage of Hybrid Composite Materials, Analysis of Ballistic Fabrics and Layered Composite Materials, and Multi-Scale Modeling of Polymeric Composite Materials for Ballistic Protection. Contributions from leading experts in the field Cutting edge developments on the engineering of ballistic materials Comprehensive analysis of the development and uses of advanced fibrous composite materials

Fiber-reinforced PC/ABS Composite for Light Weight Ballistic Armor

Fiber-reinforced PC/ABS Composite for Light Weight Ballistic Armor
Author:
Publisher:
Total Pages: 234
Release: 2006
Genre: Ballistic fabrics
ISBN:
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This research aims to develop light weight ballistic armor by using Kevlar-reinforced PC/ABS composite. It has been known that optimal interaction between polymer matrix and its reinforcement plays a crucial role in its mechanical behavior such as impact properties. At present, the matrix development for reinforcing fiber particularly in the ballistic composite application is scarcely investigated because the restriction in the lack of tailor-made properties of the matrix itself. Many researchers disclosed various properties of PC/ABS which can be fine-tuned to acquire desired properties by, for example, adjusting the blending ratios between the PC and the ABS. This investigation emphasized on the effect of PC/ABS blend compositions on their blend properties as well as the ballistic efficiency of their composites. The DSC thermograms of PC/ABS blends exhibited two Tg's of the PC-rich and ABS-rich phases. The glass transition temperatures of each component were observed to shift towards each other possibly as a result of their partial miscibility. From the mechanical property investigation of the blends, the elastic modulus of these PC/ABS blends exhibited synergistic behavior giving the ultimate modulus value within the blend compositional range of 40 - 60 wt% of the PC. It was also found that the composites with 40/60 mass ratio of the PC/ABS matrix exhibited the highest ballistic efficiency in comparison with other blend compositions. The flexural modulus of the composite with highest ballistic resistance was about 10-13 GPa with an average areal density of 0.23 g/cm2 in a 10 piles/panel composite. Additionally, at least 50 piles of the Kevlar cloth in the composite panel were found to be sufficient to protect ballistic impact penetration of the ammunition at a relatively high level of NIJ class IIIA.

Opportunities in Protection Materials Science and Technology for Future Army Applications

Opportunities in Protection Materials Science and Technology for Future Army Applications
Author: National Research Council
Publisher: National Academies Press
Total Pages: 176
Release: 2011-08-27
Genre: Technology & Engineering
ISBN: 0309212855
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Armor plays a significant role in the protection of warriors. During the course of history, the introduction of new materials and improvements in the materials already used to construct armor has led to better protection and a reduction in the weight of the armor. But even with such advances in materials, the weight of the armor required to manage threats of ever-increasing destructive capability presents a huge challenge. Opportunities in Protection Materials Science and Technology for Future Army Applications explores the current theoretical and experimental understanding of the key issues surrounding protection materials, identifies the major challenges and technical gaps for developing the future generation of lightweight protection materials, and recommends a path forward for their development. It examines multiscale shockwave energy transfer mechanisms and experimental approaches for their characterization over short timescales, as well as multiscale modeling techniques to predict mechanisms for dissipating energy. The report also considers exemplary threats and design philosophy for the three key applications of armor systems: (1) personnel protection, including body armor and helmets, (2) vehicle armor, and (3) transparent armor. Opportunities in Protection Materials Science and Technology for Future Army Applications recommends that the Department of Defense (DoD) establish a defense initiative for protection materials by design (PMD), with associated funding lines for basic and applied research. The PMD initiative should include a combination of computational, experimental, and materials testing, characterization, and processing research conducted by government, industry, and academia.

Lightweight Polymer Composite Structures

Lightweight Polymer Composite Structures
Author: Sanjay Mavinkere Rangappa
Publisher: CRC Press
Total Pages: 411
Release: 2020-09-01
Genre: Technology & Engineering
ISBN: 0429520824
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This book provides a comprehensive account of developments in the area of lightweight polymer composites. It encompasses design and manufacturing methods for the lightweight polymer structures, various techniques, and a broad spectrum of applications. The book highlights fundamental research in lightweight polymer structures and integrates various aspects from synthesis to applications of these materials. Features Serves as a one stop reference with contributions from leading researchers from industry, academy, government, and private research institutions across the globe Explores all important aspects of lightweight polymer composite structures Offers an update of concepts, advancements, challenges, and application of lightweight structures Current status, trends, future directions, and opportunities are discussed, making it friendly for both new and experienced researchers.

Machining Technology for Composite Materials

Machining Technology for Composite Materials
Author: H Hocheng
Publisher: Elsevier
Total Pages: 488
Release: 2011-11-28
Genre: Technology & Engineering
ISBN: 0857095145
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Machining processes play an important role in the manufacture of a wide variety of components. While the processes required for metal components are well-established, they cannot always be applied to composite materials, which instead require new and innovative techniques. Machining technology for composite materials provides an extensive overview and analysis of both traditional and non-traditional methods of machining for different composite materials. The traditional methods of turning, drilling and grinding are discussed in part one, which also contains chapters analysing cutting forces, tool wear and surface quality. Part two covers non-traditional methods for machining composite materials, including electrical discharge and laser machining, among others. Finally, part three contains chapters that deal with special topics in machining processes for composite materials, such as cryogenic machining and processes for wood-based composites. With its renowned editor and distinguished team of international contributors, Machining technology for composite materials is an essential reference particularly for process designers and tool and production engineers in the field of composite manufacturing, but also for all those involved in the fabrication and assembly of composite structures, including the aerospace, marine, civil and leisure industry sectors. Provides an extensive overview of machining methods for composite materials Chapters analyse cutting forces, tool wear and surface quality Cryogenic machining and processes for wood based composites are discussed

Delamination Behaviour of Composites

Delamination Behaviour of Composites
Author: Srinivasan Sridharan
Publisher: Elsevier
Total Pages: 787
Release: 2008-10-21
Genre: Technology & Engineering
ISBN: 1845694821
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Given such advantages as low weight compared to strength and toughness, laminated composites are now used in a wide range of applications. Their increasing use has underlined the need to understand their principal mode of failure, delamination. This important book reviews key research in understanding and preventing delamination. The first part of the book reviews general issues such as the role of fracture mechanics in understanding delamination, design issues and ways of testing delamination resistance. Part two describes techniques for detecting and characterising delamination such as piezoelectric sensors, the use of lamb waves and acoustic emission techniques. The next two sections of the book discuss ways of studying and modelling delamination behaviour. The final part of the book reviews research on delamination behaviour in particular conditions such as shell and sandwich structures, z-pin bridging and resin bonding. With its distinguished editor and international team of contributors, Delamination behaviour of composites is a standard reference for all those researching laminated composites and using them in such diverse applications as microelectronics, aerospace, marine, automotive and civil engineering. Reviews the role of fracture mechanics in understanding delamination, design issues and ways of testing delamination resistance Discuss ways of studying and modelling delamination behaviour A standard reference for all those researching laminated composites

Sandwich Structural Composites

Sandwich Structural Composites
Author: Wenguang Ma
Publisher: CRC Press
Total Pages: 495
Release: 2021-12-15
Genre: Science
ISBN: 1000484610
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Sandwich Structural Composites: Theory and Practice offers a comprehensive coverage of sandwich structural composites. It describes the structure, properties, characterization, and testing of raw materials. In addition, it discusses design and process methods, applications and damage assessments of sandwich structural composites. The book: Offers a review of current sandwich composite lamination processes and manufacturing methods Introduces raw materials, including core materials, skin reinforcements, resin substrates and adhesives Discusses sandwich structure characterization, finite element analysis of the structures, and product design and optimization Describes benefits other than structural, including acoustic, thermal, and fire Details applications in various industries, including aerospace, wind energy, marine ships, recreational boats and vehicles, sport equipment, building construction, and extreme temperature applications The book will be of benefit to industrial practitioners, researchers, academic faculty, and advanced students in materials and mechanical engineering and related disciplines looking to advance their understanding of these increasingly important materials.