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Mode I interlaminar fracture toughness of thin-ply laminates with CNT webs at the crack interface

机译:裂纹界面处具有CNT腹板的薄层板的I型层间断裂韧性

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摘要

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.
机译:在两种不同的薄碳纤维增强聚合物系统(NTPT 402预浸料和TeXtreme / SE84LV)的层间区域引入了原始的和功能化的碳纳米管(CNT)网。 NTPT 402材料的I型层间断裂韧性(ILFT)明显较低。相反,当使用SE84LV树脂时,电阻曲线几乎没有变化,并且ILFT的稳态值没有下降。这表明,仔细选择树脂对于在不影响结构性能的前提下允许将CNT纤维网嵌入薄层状层压板至关重要,这为开发多功能薄层结构开辟了一条新途径。

著录项

  • 来源
    《Composite Structures》 |2019年第10期|111178.1-111178.6|共6页
  • 作者单位

    Univ Palermo, Dipartimento Ingn, Viale Sci Ed 8, I-90128 Palermo, Italy;

    UCL, Inst Mat Discovery, Roberts Bldg, London WC1E 7JE, England;

    Queens Univ Belfast, Sch Mech & Aerosp Engn, ACRG, Belfast BT9 5AH, Antrim, North Ireland;

    Queens Univ Belfast, Sch Mech & Aerosp Engn, ACRG, Belfast BT9 5AH, Antrim, North Ireland|Monash Univ, Dept Mat Sci & Engn, Clayton, Vic 3800, Australia;

    Queens Univ Belfast, Sch Mech & Aerosp Engn, ACRG, Belfast BT9 5AH, Antrim, North Ireland;

  • 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

    Thin-ply laminates; Carbon nanotube (CNT) webs; Interlaminar fracture toughness;

    机译:薄层层压板;碳纳米管(CNT)网;层间骨折韧性;

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