基于数字单元法的平纹织物压实形态变化研究

doi:10.19936/j.cnki.2096-8000.20250228.017

复合材料科学与工程 ›› 2025, Vol. 0 ›› Issue (2): 137-144.DOI: 10.19936/j.cnki.2096-8000.20250228.017

基于数字单元法的平纹织物压实形态变化研究

颜丙越, 张卓, 尹立, 何剑飞

北京智慧能源研究院,北京 102209

收稿日期:2023-11-20 出版日期:2025-02-28 发布日期:2025-03-25
作者简介:颜丙越(1987—),男,硕士,高级工程师,主要从事绝缘复合材料方面的研究,yanbingyue.good@163.com。
基金资助:
特高压GIS开关设备用芳纶绝缘拉杆关键技术研究项目(5500-202158245A-0-0-00)

Study on compacting morphology change of plain fabric based on digital unit method

YAN Bingyue, ZHANG Zhuo, YIN Li, HE Jianfei

Beijing Smart Energy Research Institute, Beijing 102209, China

Received:2023-11-20 Online:2025-02-28 Published:2025-03-25

摘要/Abstract

摘要： 平纹编织复合材料因其强度高、性能稳定、结构简单等优点,被广泛应用于航空航天、汽车、船舶等领域。作为复合材料的增强结构,平纹织物的几何特征对结构性能有重要影响。作为一种柔性结构,平纹织物纱线的几何形状受工艺参数影响易发生明显形变。针对玻璃纤维平纹织物,采用四种压力制备了四种复合材料试样。对四种试样内部纱线结构进行了Micro-CT扫描。使用数字单元法对平纹织物进行了细观尺度建模,并进行四种压力下的压实模拟。将Micro-CT扫描结果与模拟的纱线形态进行对比,验证了模拟方法的正确性,进一步分析了织物在压力载荷下的纱线形态变化过程。

关键词: Micro-CT技术, 数字单元法, 流动压实, 纱线形态, 复合材料

Abstract: Plain woven composites are widely used in aviation, aerospace, automobile, ship and other fields because of their advantages of high strength, stable performance and simple structure. As a reinforced structure of composite materials, the geometric characteristics of plain fabric have an important effect on the structural properties. As a kind of flexible structure, the geometry of plain fabric yarns is easy to deform significantly under the influence of technological parameters. For glass fiber plain fabric, four kinds of composite material samples were prepared by four kinds of pressure. The internal yarn structure of four samples was scanned by micro-CT. In this paper, the digital element method is used to model the meso-scale of plain fabric, and the compacting simulation under four kinds of pressure is carried out. The results of Micro-CT scan were compared with the simulated yarn shape to verify the correctness of the simulation method and further analyze the yarn shape change process under pressure load.

Key words: Micro-CT technology, digital unit method, flow compaction, yarn pattern, composites

中图分类号:

TB332

颜丙越, 张卓, 尹立, 何剑飞. 基于数字单元法的平纹织物压实形态变化研究[J]. 复合材料科学与工程, 2025, 0(2): 137-144.

YAN Bingyue, ZHANG Zhuo, YIN Li, HE Jianfei. Study on compacting morphology change of plain fabric based on digital unit method[J]. COMPOSITES SCIENCE AND ENGINEERING, 2025, 0(2): 137-144.

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基于数字单元法的平纹织物压实形态变化研究

Study on compacting morphology change of plain fabric based on digital unit method

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