Tensile characteristics of flexible PU-coated multi-axial warp-knitted fabrics
Tensile characteristics of flexible PU-coated multi-axial warp-knitted fabrics
复制标题
柔性PU涂层多轴向经编针织物的拉伸特性
DOI：
10.1177/1528083716632806
复制
发表时间：
2017-07
影响因子：
3.2
通讯作者：
Chen NL
中科院分区：
文献类型：
--
作者：
Jing Lingxiao;Xu Haiyan;Jiang Jinhua;Chen Nanliang;Guo Nangkuo;Zhang tonghua;Chen NL
在实践中，涂层织物有许多形状和尺寸可供选择，而不仅仅是矩形和平面。为了提高涂层织物的变形能力，开发了氨纶涂层多轴向经编织物(PU-CMWKF)。本文研究了PU-CMWKF的拉伸性能。在恒速下进行了5组离轴角分别为0°、22°、45°、67.5°和90°的拉伸实验。通过对损伤试件的分析，探讨了其破坏机理。此外，利用数字图像相关(DIC)系统研究了PU-CMWKF在三个区域的变形行为，并用正交各向异性模型预测了弹性模量和泊松比分别为22.5°和67.5°。研究结果表明，PU-CMWKF的表观弹性模量强烈依赖于切割方向。面内方向荷载作用下的破坏机理为拉伸破坏和剪切破坏共同作用。在相应的小应变下，用弹性常数表示法沿五个方向对分析模型进行了验证。
In practice, the coated fabric is available in many shapes and sizes, not just rectangle and plane. In order to increase the shape-shifting abilities of coated fabrics, polyurethane-coated multi-axial warp-knitted fabric (PU-CMWKF) is developed. In this paper, the tensile characteristics of PU-CMWKF were investigated. Five groups of tensile experiments, with off-axial angles of 0°, 22°, 45°, 67.5°, and 90°, were conducted under constant velocity. The failure mechanism was explored by analyzing the damaged specimens. Additionally, the deformation behavior of PU-CMWKF in three regions was investigated by utilizing the digital image correlation (DIC) system, and an orthogonal anisotropic model was used to predict the modulus and Poisson’s ratio of 22.5° and 67.5°. Research results showed that the apparent modulus of PU-CMWKF strongly depended on the cut of directions. And the failure mechanism under in-plane direction loading suggests that tensile and shear failure act together. The analytical model is validated along five directions in the representation of elastic constant under corresponding small strain.
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影响因子：
6.3
作者：
H. Kong;A. Mouritz;R. Paton
通讯作者：
H. Kong;A. Mouritz;R. Paton
影响因子：
9.1
作者：
Kang, TJ;Kim, C
通讯作者：
Kim, C
影响因子：
2.3
作者：
Jinyun Zhou;Li Yi;J. Lam;Xuyong Cao
通讯作者：
Jinyun Zhou;Li Yi;J. Lam;Xuyong Cao
影响因子：
9.1
作者：
Du, GW;Ko, F
通讯作者：
Ko, F
影响因子：
0.9
作者：
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G. Jiang;Luying Gu;Honglian Cong;X. Miao;Aijun Zhang;Zhe Gao