Fundamentals and Applications of Tri-axially Woven Fafric Composites
Tri-axially woven fabric (TWF) composite is the form of composite system made up of three sets of interwoven tows placed in three equally placed in-plane directions combined with the matrix resin impregnated in the tows. The in-plane and bending characteristics of carbon fiber/epoxy TWF composite are analytically and experimentally investigated. The stiffness isotropy observed under tensile loading is shown to hold as well under the flexural loading based on the linear analysis combined with the assumption of infinite size specimens. The anisotropy that emerges at high loading levels under tensile load is predicted to be not as salient under the flexural loading. The experimental results support the predicted isotropy for infinite plates, though the actual specimens are of finite width. Thermal expansion test is also conducted to experimentally obtain the thermal expansion coefficients, which are found to be larger than that predicted through the analysis. The overall isotropic nature as well as the excellent flexural strength of the TWF indicates the expected applications as various components of lightweight deployable structures. Some of the practical applications of the TWF composite are introduced. Deployable space structure is one of the promising applications, taking advantage of high bending durability of this material system.
Fabric Composite Mechanical Property Thermal Property Isotropic Behavior Flexural Element Deployable Structure
Takahira Aoki Keishiro Yoshida
Department of Aeronautics and Astronautics University of Tokyo, 113-8656, Japan Department of Aeronautical Systems Engineering, Kanazawa Institute of Technology
国际会议
The Ninth China-Japan Joint Conference on Composite Materials(第九届中日复合材料学术会议 CJJCC-9)
呼和浩特
英文
33-38
2010-09-01（万方平台首次上网日期，不代表论文的发表时间）