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首页> 外文期刊>Journal of Industrial Textiles >Influence of fabric architecture on crushing behavior of semi-hexagonal composite structures under axial loading
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Influence of fabric architecture on crushing behavior of semi-hexagonal composite structures under axial loading

机译：织物结构对轴向载荷作用下半六角复合结构抗压性能的影响

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摘要

This paper reports the mechanical response of semi-hexagonal part with three different multi-layer reinforcements. Unidirectional, plain woven and orthogonal fabric under quasi-static axial compression were considered. Meso-scale finite element numerical models with failure criterion were also established to simulate the onset and development of internal damage during the compression process. There were two different crush-failure modes occurring in the crush tests of the three different composite samples: a splaying mode for samples with unidirectional fabric, a buckling mode for samples with 3D orthogonal woven fabric and a mixture mode of both buckling and splaying for samples with the plain woven fabric. The samples reinforced by unidirectional fiber have the highest specific energy absorption and lowest peak loading, whereas the samples by 3D orthogonal fabric present the lowest specific energy absorption and highest peak loading. It was also demonstrated by a numerical model that the existence of Z-binder suppresses the delamination by restraining the expanding of warp and weft yarns. The comparison of numerical results and experimental data indicates that the structure of reinforcement has a significant role in the mechanical performance of textile composite.
机译：本文报道了具有三种不同多层增强材料的半六角形零件的力学响应。考虑了准静态轴向压缩下的单向，平纹和正交织物。建立了具有破坏准则的中尺度有限元数值模型，以模拟压缩过程中内部损伤的发生和发展。在三种不同的复合材料样品的压碎测试中，发生了两种不同的压坏-破坏模式：单向织物样品的张开模式，3D正交机织物样品的屈曲模式以及样品屈曲和张开的混合模式与平纹织物。单向纤维增强的样品具有最高的比能量吸收和最低的峰值载荷，而3D正交织物的样品具有最低的比能量吸收和最高的峰值载荷。数值模型还表明，Z-粘合剂的存在通过抑制经纱和纬纱的膨胀来抑制分层。数值结果与实验数据的比较表明，增强材料的结构在纺织复合材料的机械性能中具有重要作用。

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  • 来源
    《Journal of Industrial Textiles》 |2019年第2期|162-180|共19页
  • 作者

    Wu Zhenyu; Wang Maolin; Ying Zhiping; Cheng Xiaoying; Hu Xudong;

  • 作者单位

    Zhejiang Sci Tech Univ, Fac Mech Engn & Automat, 928 Second Ave, Hangzhou 310018, Peoples R China;

    Zhejiang Sci Tech Univ, Fac Mech Engn & Automat, 928 Second Ave, Hangzhou 310018, Peoples R China;

    Zhejiang Sci Tech Univ, Fac Mech Engn & Automat, 928 Second Ave, Hangzhou 310018, Peoples R China;

    Zhejiang Sci Tech Univ, Fac Mech Engn & Automat, 928 Second Ave, Hangzhou 310018, Peoples R China;

    Zhejiang Sci Tech Univ, Fac Mech Engn & Automat, 928 Second Ave, Hangzhou 310018, Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    Textile composites; semi-hexagonal part; axial crushing; finite element analysis;

    机译：纺织复合材料;半六角零件;轴向破碎;有限元分析;

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