3D Fibre Reinforced Polymer Composites


Author : Liyong Tong

Published in : ELSEVIER  SCIENCE

ISBN :  0-08-043938-1

File type : pdf

File Size : 7 mb

Language : English


Fibre reinforced polymer  (FRP)  composites are used in almost every type of advanced engineering structure, with their usage ranging from aircraft, helicopters and spacecraft through to boats, ships and offshore platforms and to automobiles, sports goods, chemical processing equipment and civil infrastructure such  as  bridges and buildings. The usage of  FRP  composites continues to grow at an impressive rate  as  these materials are used more in their existing markets and become established in relatively new markets such as biomedical devices and civil structures.  A  key factor driving the increased applications of composites over recent years is the development of new advanced forms of  FRP  materials. This includes developments in high performance resin systems and new styles of reinforcement, such  as  carbon nanotubes and nanoparticles.  A  major driving force has been the development of advanced  FRP composites reinforced with a three-dimensional  (3D)  fibre structure.  3D  composites were originally developed in the early  1970s,  but it has only been in the last  10-  15  years that major strides have been made to develop these materials to  a  commercial level where they can be used in both traditional and emerging markets. The purpose of this book is to provide an up-to-date account of the fabrication, mechanical properties, delamination resistance, impact damage tolerance and applications of  3D  FRP composites. The book will focus on  3D  composites made using the textile technologies of weaving, braiding, knitting and stitching  as  well  as  by  z-pinning. This book  is  intended for undergraduate and postgraduate students studying composite materials and also for the researchers, manufacturers and end-users of composites. Chapter  1  provides a general introduction to the field  of  advanced  3D  composites. The chapter begins with a description of the key economic and technology factors that are providing the impetus for the development of  3D  composites. These factors include lower manufacturing costs, improved material quality, high through-thickness properties, superior delamination resistance, and better impact damage resistance and post-impact mechanical properties compared to conventional laminated composites. The current and potential applications of  3D  composites are then outlined in Chapter  1, including a description of the critical issues facing their future usage. Chapter  2  gives a description of the various weaving, braiding, knitting and stitching processes used to manufacture  3D  fabrics that are the preforms to  3D  composites. The processes that are described range from traditional textile techniques that have been used  for  hundreds of years up to the most recent textile processes that are still under development. Included in the chapter is an examination of the affect the processing parameters of the textile techniques have on the quality and fibre architecture of  3D composites.
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