棉纺织技术2024，Vol.52Issue(12)：38-44,7.
低捻纱三维角联锁机织预制体的不稳定结构变形模型
Deformation model of unstable-structural 3D angle-interlock woven preform with undertwisted yarn
摘要
Abstract
In order to study the deformation happening in the process of forming curved surfaces for 3D angle-interlock woven preform,the structural instability factors and deformation types of the preform were analyzed.A bending deformation model of the representative volume unit of the preform was built.The functional relationship between the geometric structure parameters of the preform and the deformation coefficient of yarn section was explored.The change principle of fabric knot length,warp angle and percentage of fiber volume with the deformation coefficient of yarn section was obtained under equal and non-equal deformation.The 3D angle-interlock woven preform were prepared using glass fibers,and bending tests were conducted to verify the reasonableness of the deformation model.It is considered that the research achievement could provide theoretical support for the secondary molding with curved surfaces of 3D angle-interlock woven preform with undertwisted yarn.关键词
三维机织预制体/角联锁/不稳定结构/变形模型/纱线截面变形系数Key words
3D woven preform/angle-interlock/unstable structure/deformation model/yarn cross-section deformation coefficient分类
轻工业引用本文复制引用
蔣永亮,马文锁,马振宇,许泳豪,朱梦蝶..低捻纱三维角联锁机织预制体的不稳定结构变形模型[J].棉纺织技术,2024,52(12):38-44,7.基金项目
河南省博士后科研项目(HN2022167) （HN2022167）
