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Effect of weaving structures on the geometry variations and mechanical properties of 3D LTL woven composites

机译：织造结构对3DL1织造复合材料几何变化和力学性能的影响

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摘要

This paper presents a comprehensive experimental study of the effect of weaving structures on the geometry variations and mechanical properties of three dimensional (3D) layer-to-layer interlock (LTL) woven composites. 3D woven composites with four different weaving structures are prepared. Geometry variations of the unit cell structures are investigated based on the micro-computed tomography (micro-CT) images. Tension and compression tests are performed to the four composites. The digital image correlation (DIC) method is used to obtain surface strain fields of the specimens under tension load. Both tension and compression properties of the composites are affected by the waviness of load-bearing yarns. The addition of stuffer yarns significantly improves the warp direction performance. Nonlinear behavior, failure modes and scatter of testing results for the specimens are closely related to the weaving structures.
机译：本文介绍了织造结构对三维（3D）层到层互锁（LTL）编织复合材料的几何变化和机械性能的综合实验研究。准备3D编织复合材料，具有四种不同的织造结构。基于微计算机断层扫描（Micro-CT）图像来研究单位电池结构的几何变体。张力和压缩测试是对四个复合材料进行的。数字图像相关（DIC）方法用于在张紧载荷下获得样品的表面应变场。复合材料的张力和压缩性能受承载纱线的波纹的影响。添加填充纱线显着提高了翘曲方向性能。标本的非线性行为，故障模式和试验结果的散射与织造结构密切相关。

著录项

  • 来源
    《Composite Structures》 |2020年第11期|112756.1-112756.11|共11页
  • 作者

    Jiao Wei; Chen Li; Xie Junbo; Yang Zhi; Fang Jing; Chen Lei;

  • 作者单位

    Tiangong Univ Inst Composite Mat Key Lab Adv Text Composite Mat Minist Educ Tianjin 300387 Peoples R China|Tiangong Univ Sch Text Sci & Engn Tianjin 300387 Peoples R China;

    Tiangong Univ Inst Composite Mat Key Lab Adv Text Composite Mat Minist Educ Tianjin 300387 Peoples R China|Tiangong Univ Sch Text Sci & Engn Tianjin 300387 Peoples R China;

    Tiangong Univ Inst Composite Mat Key Lab Adv Text Composite Mat Minist Educ Tianjin 300387 Peoples R China|Tiangong Univ Sch Text Sci & Engn Tianjin 300387 Peoples R China;

    Tiangong Univ Inst Composite Mat Key Lab Adv Text Composite Mat Minist Educ Tianjin 300387 Peoples R China|Tiangong Univ Sch Text Sci & Engn Tianjin 300387 Peoples R China;

    Tiangong Univ Inst Composite Mat Key Lab Adv Text Composite Mat Minist Educ Tianjin 300387 Peoples R China|Tiangong Univ Sch Text Sci & Engn Tianjin 300387 Peoples R China;

    Tiangong Univ Inst Composite Mat Key Lab Adv Text Composite Mat Minist Educ Tianjin 300387 Peoples R China|Tiangong Univ Sch Text Sci & Engn Tianjin 300387 Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Weaving structure; Layer-to-layer interlock; Woven composite; Mechanical properties;

    机译：织造结构;层到层互锁;编织复合材料;机械性能;

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