Impact Damages Of Braided Composites

This book reports thermo-mechanical coupling constitutive equations and impact damage distributions of 3-D braided composite materials under impulsive loadings, in multidisciplinary fields among mechanical engineering, textile engineering and impact dynamics. The 3-D braided composite is one of the unique textile composites with integrated braided preform structure. Currently the 3-D braided composite has been rapidly applied to aerospace, automotive and medical engineering because the materials could realize the integration of material structure to manufacture complex structural parts and reduce the number of assembly connections. This book presents a thermo-mechanical coupled multiscale geometrical model of the 3-D braiding composite beams and tubes for analyzing damage mechanisms under various impact velocities. Impact deformation and damage morphologies have been described both in experimental observations with high speed cameras, micro-CT and finite element analyses. All the impact damages are shown in figures for unveiling the relationships between microstructure and failure modes. This provides a vivid way for how to design braided structures with high impact damage tolerance. The book is intended for graduate students who are interested in composite materials and mechanics, researchers investigating on impact dynamics of composite structure design, and engineers working on impact-proof structure design. The English translation of this book from its Chinese original manuscript was done with the help of artificial intelligence (machine translation by the service provider DeepL.com). A subsequent human revision of the content was done by the author.

There has been a major resurgence of braiding in worldwide manufacturing and new testing technologies using imaging processes are now being employed. This has allowed significant findings and a better understanding of braided materials. The Handbook of Advances in Braided Composite Materials, Second Edition extensively reviews the properties, design, and manufacturing, testing and next generation applications of braided composite materials. Following the introductory chapter and the opening topic of working with the enclosed composite apps, Part One discusses manufacturing processes and advanced testing of braided composite materials. Part Two then looks at predicting properties and designing braided composite materials, including mechanics for braided composite materials such as micromechanics, macromechanics and ply mechanics. Advances in 2D and 3D modeling, as well as design of braided composite materials, are also covered. Finally, Part Three provides information on the applications of Next Generation braided composite materials. These topics consist of shape memory composites, nanostructures in braids, electrospinning, braidtrusion and green braids. The book presents up-to-date technology developments and recent research findings, along with an android and IPhone App to support design criteria, which is available via an online open source platform provided by the editor. Industrial manufacturers of braided composites, academic researchers working in the design and development of braided composites, professional engineers and postgraduate students will find this book an essential read. Covers new developments in advanced testing methods and imaging technology Presents new findings in manufacturing and material properties Discusses new developments in sustainable green braided composites, and in 3D braiding

Dynamic Deformation, Damage and Fracture in Composite Materials and Structures, Second Edition reviews various aspects of dynamic deformation, damage and fracture, mostly in composite laminates and sandwich structures, and in a broad range of application areas including aerospace, automotive, defense and sports engineering. This book examines low- and high-velocity loading and assesses shock, blast and penetrative events, and has been updated to cover important new developments such as the use of additive manufacturing to produce composites, including fiber-reinforced ones. New microstructural, experimental, theoretical, and numerical studies with advanced tools are included as well. The book also features four new chapters covering topics such as dynamic delamination, dynamic deformation and fracture in 3D-printed composites, ballistic impacts with fragmenting projectiles, and the effect of multiple impacting. Examines dynamic deformation and fracture of composite materials, covering experimental, analytical and numerical aspects Features four new chapters covering topics such as dynamic interfacial fracture, fracture in 3D-printed composites, ballistic impacts with fragmenting projectiles, and the effect of multiple impacting Addresses important application areas such as aerospace, automotive, wind energy, defense and sports

Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.

Braiding is a very old textile manufacturing technology that traditionally has been used to produce items like ropes, shoe laces, and cables. Recently, braiding has gained attention in the medical, aerospace, transportation, and civil engineering communities, among others, due to its ability to produce structures that can fulfill the explicit demands imposed by these technical sectors. Braided Structures and Composites: Production, Properties, Mechanics, and Technical Applications provides a single source of cutting-edge information on braiding and its applications. Featuring chapters authored by leading experts in their respective fields, this first-of-its-kind book: Explains the basic principles of braiding technology for industrial textiles, composites, and products Identifies the key parameters that influence the braiding process and its produced structures Shows how to control these parameters to achieve the desired material characteristics Discusses braided structure modeling and analysis techniques and software tools Describes various application requirements and their design solutions Braided Structures and Composites: Production, Properties, Mechanics, and Technical Applications supplies a critical understanding of braiding from concept to product design and application. This book is vital to the development of multifunctional products with highly specific features using braiding technology.