2D Braided Composites: A Review for Stiffness Critical Applications

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2D Braided Composites: A Review for Stiffness Critical Applications
Cagri Ayranci, Jason Carey *
Department of Mechanical Engineering, University of Alberta, Edmonton, Alberta, Canada T6G 2G8
Abstract
Composite materials offer numerous advantages over conventional engineering metals. Over the years, the use of composite materials
has increased significantly. Braiding is a promising and already very commonly used method to form continuous fiber reinforced composite materials. Braided structures are used in a broad range of applications including, but not limited to, medical, aerospace, and automotive. This paper reviews studies published in the field of 2D braiding in order to outline advantages and disadvantages of the process,
common preform impregnation techniques, and common stiffness critical applications. Furthermore, elastic property prediction models
published in the field are presented for the purpose of stiffness critical designs and applications.
Keywords: Braided composites; 2D braiding; Preform impregnation; Fiber reinforced composites; Elastic constants of braided composites
9. Conclusion
In this report, braiding technique used for composite
materials manufacturing was reviewed. Advantages and
disadvantages of 2D and 3D braiding were outlined. Resin
impregnation of fibers and different methods to achieve
proper impregnation were listed. A broad range of applications of 2D braided composite materials were listed to
show the nearly endless possibilities and advantages of
2D braids, which reinforce the notion of braiding as a
strong alternative to other types of composite manufacturing techniques available. A large number of analytical
models used to predict the elastic properties of braided
composites were outlined and discussed.
2D braided composite materials offer numerous advantages over the conventional materials. The recent improvements in their fabrication techniques and understanding of
their mechanical behaviors through predictive models contribute to the increasing popularity of these materials.
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