Early prediction of the failure of textile-reinforced thermoplastic composites using hybrid yarns
Early prediction of the failure of textile-reinforced thermoplastic composites using hybrid yarns
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DOI：
10.1016/j.compscitech.2012.04.007
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发表时间：
2012-06-08
影响因子：
9.1
通讯作者：
Matthes, A.
中科院分区：
文献类型：
--
作者：
Hasan, M. M. B.;Cherif, Ch.;Matthes, A.
在这项研究中，制造的芯鞘混合纱组成的钢纤维和玻璃长丝纱（GFY）使用摩擦纺纱技术和它们的可用性在复合材料中的故障预测的报告。利用DREF-2000摩擦纺纱技术，可以制造具有芯鞘结构的混合纱线。钢纤维用作鞘，GFY用作纱线的芯。这些混合纱线嵌入在两层玻璃/聚丙烯（GF/PP）基针织物复合材料之间。通过改变钢纤维含量，可以调节混合纱线的初始电阻以及灵敏度，以测量拉伸载荷期间热塑性基针织复合材料中的相间应变。具有较低钢纤维含量的混杂纱线被发现是更敏感的预测中的复合材料的早期损伤。通过在拉伸试验期间执行准静态和逐渐增加的载荷，可以确定复合材料的临界载荷。前面提到的混合纱线显示出它们对于结构健康监测的适用性以及通过纺织加工被整合到热塑性基复合材料中的潜力。(C)2012爱思唯尔有限公司保留所有权利。
In this study, the manufacturing of core-sheath hybrid yarns consisting of steel fibres and glass filament yarn (GFY) using a friction spinning technique and their usability for failure prediction in composites is reported. With the DREF-2000 friction spinning technique, it is possible to manufacture hybrid yarns having a core-sheath structure. Steel fibres are used as the sheath and the GFY is used as the core of the yarns. These hybrid yarns are embedded between two layers of glass/polypropylene (GF/PP)-based knitted fabric composites. By varying the steel fibre content, it is possible to adjust the initial resistance as well as the sensitivity of the hybrid yarns to measure the interphase strain in the thermoplastic-based knit composite during tensile loading. The hybrid yarns with lower steel fibre content are found to be more sensitive in the prediction of the early damage in the composite. By performing a quasi-static and gradual increase of loading during the tensile tests, it is possible to identify the critical load for the composite. The before mentioned hybrid yarns show their suitability for the structural health monitoring and the potential to be integrated into thermoplastic-based composites by textile processing. (C) 2012 Elsevier Ltd. All rights reserved.