摘要
Abstract
This research dealt with the impact and Compression-After-Impact properties of epoxy matrix composite beams manufactured from three-dimensional braided glass fabrics.Three different architectures of the braid structures,4-Direction,5-Direction and 6-Direction,were investigated together with three further various braiding angles of each architecture.The effect of architecture and braiding angle parameters upon the impact and CAI properties was examined.Damage morphology and failure mechanisms of the impacted materials were characterized.It has been found that the parameters affected the damage resistance and tolerance of composites evidently.6-Directional composites showed high impact toughness,whereas 5-Directional ones had higher CAI strength compared with others which had same braiding angle.Failure of the specimens with small damage area revealed the brittle characteristic of 3D braided composite.关键词
冲击性能/三维编织复合材料/冲击后压缩/失效Key words
impact behavior/3D braided composite/compression after impact/failure分类
通用工业技术
