RTM processing and electrical performance of carbon nanotube modified epoxy/fibre composites

被引：68
作者：
da Costa, Elisabete F. Reia [1 ]
Skordos, Alexandros A. [1 ]
Partridge, Ivana K. [1 ]
Rezai, Amir [2 ]
机构：
[1] Cranfield Univ, Composites Ctr, Cranfield MK43 0AL, Beds, England
[2] BAE Syst, Adv Technol Ctr, London BS34 7QW, England
来源：
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING | 2012年 / 43卷 / 04期
基金：
英国工程与自然科学研究理事会;
关键词：
Nano-structures; Electrical properties; Resin transfer moulding; Resin Flow; FLOW; SUSPENSION; DISPERSION;
D O I：
10.1016/j.compositesa.2011.12.019
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This investigation focuses on nanoparticle filtration in the processing of multiscale carbon and glass fibre composites via resin transfer moulding. Surface modified and unmodified carbon nanotubes (CNTs) were incorporated into a commercial epoxy resin. The dispersion quality was evaluated using electrical measurements of the liquid suspensions. The manufacturing process was adapted to the challenges posed by the modified rheological behaviour of the CNT loaded resin. Nanoparticle filtration was observed; with some of the unmodified systems following so called 'cake filtration' behaviour. This resulted in nonlinear flow behaviour that deviated from the ideal response observed in RTM filling in conventional composites. The electrical conductivity of relatively high fibre volume fraction multiscale carbon and glass laminates increased by less than an order of magnitude with the addition of the nanotubes. (c) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：593 / 602
页数：10
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