Mode I interlaminar fracture toughness of thin-ply laminates with CNT webs at the crack interface
Mode I interlaminar fracture toughness of thin-ply laminates with CNT webs at the crack interface
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DOI：
10.1016/j.compstruct.2019.111178
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发表时间：
2019-10-01
影响因子：
6.3
通讯作者：
Falzon, Brian G.
中科院分区：
文献类型：
--
作者：
Di Leonardo, Sofia;Nistal, Andres;Falzon, Brian G.
在两种不同的薄层碳纤维增强聚合物系统（NTPT 402预浸料和TeXtreme/SE 84 LV）的层间区域引入原始和官能化的碳纳米管（CNT）网。NTPT 402材料的I型层间断裂韧性（ILFT）明显较低。相比之下，当使用SE 84 LV树脂时，电阻曲线几乎不变，并且ILFT的稳态值没有下降。这表明，仔细选择树脂是必不可少的，以允许嵌入的CNT网在薄层层压板，而不损害结构性能，并打开了一个新的方式向多功能薄层结构的发展。
Pristine and functionalized carbon nanotube (CNT) webs were introduced at the interlaminar region of two different thin-ply carbon fibre reinforced polymer systems (NTPT 402 prepreg, and TeXtreme/SE84LV). The Mode I interlaminar fracture toughness (ILFT) for the NTPT 402 material was substantially lower. In contrast when SE84LV resin was used, the resistance curves were virtually unchanged and with no depreciation in the steady state value of the ILFT. This demonstrates that a careful choice of the resin is essential to permit the embedding of CNT webs in thin-ply laminates without compromising structural performance and opens a new way towards the development of multifunctional thin-ply structures.