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三维横编间隔织物的编织工艺及其性能
引用本文:李晓英,蒋高明,马丕波,聂小林.三维横编间隔织物的编织工艺及其性能[J].纺织学报,2016(7):66-70.
作者姓名:李晓英  蒋高明  马丕波  聂小林
作者单位:1. 江南大学 教育部针织技术工程研究中心,江苏 无锡 214122; 广东工业大学 艺术设计学院,广东 广州 510090;2. 江南大学 教育部针织技术工程研究中心,江苏 无锡,214122
基金项目:国家自然科学基金项目(11302085);江苏省产学研项目(BY2014023-34,BY2014023-20)
摘    要:为开发适合不同应用领域的曲面复合材料,采用新型三维曲面间隔结构,在电脑横机上用芳纶纱编织了带有双层罗纹连接中间层的横编间隔织物,探讨了编织步骤和编织工艺。在此基础上通过在间隔织物纬向的2个表层衬入芳纶增强纱,改进了织物的力学性能。通过调整编织程序,开发出不同曲率的间隔织物。在英斯特朗电子万能材料试验机上测试有增强纱和无增强纱织物的横、纵向拉伸性能,比较分析这2种织物的应力应变曲线。结果表明,在其他条件相同时,有增强纱的三维横编间隔织物横向、纵向拉伸应力增加明显,变形较少,织物尺寸稳定。

关 键 词:三维间隔织物  电脑横机  编织工艺  芳纶纱

Knitting processes and properties of three-dimensional computer flat-knitted spacer fabrics
Abstract:In order to develop curved composites, this paper designed an innovative curved three?dimensional (3?D) spacer structure. First a knitting technique of computer flat?knitted innovative 3?D spacer fabrics with double rib connection is introduced by using aramid fibers, then the aramid reinforcement yarns are integrated into two surface layers of 3?D spacer fabrics in the weft direction to enhance the tensile properties. By changing the weaving process, flat?knitted 3?D speacer fabrics curved in different angles( in the warp direction) were developed. Tensile tests on the universal material testing machine are carried out in the weft and warp directions of the two spacer fabrics ( with and without reinforcement yarns) , and their stress?strain curves are compared. The results revealed that reinforcement yarns reduced deformation, and improved tensile stress and dimensional stability of 3?D spacer fabrics at same experimental conditions.
Keywords:three-dimensional spacer fabric  computer flat-knitting machine  knitting process  aramid yarn
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