国防科技大学学报Issue(1)：9-14,6.DOI:10.11887/j.cn.201601002
整体缝合夹芯结构复合材料力学性能
Mechanical performance of integrated stitched sandwich composite
摘要
Abstract
The designed new type stitched sandwich structure of composite materials can avoid the disadvantages of fiber cross caused by the traditional angled stitch.The integrated stitched sandwich composite were prepared by VIMP (Vacuum Infusion Molding Process).The flatwise compression test and the three-point bending test were employed to study the effects of stitching structure,stitching mode and stitching yarn on compression properties and bending properties.Results show that the integrated stitched sandwich composites have excellent compression mechanical properties.Compared with the vertical structure,the flexure failure load is increased by 94.4%.Compared with the unpenetrate stitched mode,the compressive strength and the bending load of penetrating stitched mode are improved significantly.The compression properties and the flexure properties of stitched sandwich composite are improved with the increase of stitching yarn.关键词
夹芯结构/缝合/复合材料/平压性能/弯曲性能Key words
sandwich/stitched/composite/flatwise compression properties/bending properties分类
通用工业技术引用本文复制引用
曾竟成,魏凯耀,杜刚,杨金水,鞠苏..整体缝合夹芯结构复合材料力学性能[J].国防科技大学学报,2016,(1):9-14,6.基金项目
国家自然科学基金资助项目（51303208，51402235，11202231）；国防科技大学校预研基金资助项目 （）
