Research on hollow composites fabricated by 2D triaxial braiding technology

doi:10.19936/j.cnki.2096-8000.20211028.008

Abstract

Abstract: Owing to the advantage of high automation, excellent integrity, neat-shaping and flexible designability, braiding technology can be used to fabricate complex composite tubes by typical liquid composite molding methods such as Resin Transfer Molding (RTM) and Vacuum Assisted Resin Infusion (VARI). Braided composites are now becoming a new trend of low-cost composites in the future. In this paper, the features and application of 2D triaxial braided composites (2DTBCs) are introduced. Meanwhile, typical 2DTBCs were fabricated by RTM process,and the basic mechanical properties of the composites were investigated. The results show that the performances of 2DTBC depend on the braiding angle. And the damage area of 2DTBCs after impact was much smaller than the classical laminate composite because of much effective force transferring routes of the fibers in the interfaced braiding structure. The development of a typical hollow composites barrel by braiding and RTM process verified the engineering feasibility of this method.

Key words: braided composite, resin transfer molding, static mechanical properties, impact properties, runner design

CLC Number:

TB332

LUO Wei, CHENG Yong, YANG Yong-zhong, GUO Qiang, PENG Ke. Research on hollow composites fabricated by 2D triaxial braiding technology[J]. COMPOSITES SCIENCE AND ENGINEERING, 2021, 0(10): 56-60.

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