Electrically conductive carbon fiber / PEKK / silver nanowires multifunctional composites

被引：26

作者：

Cortes, Luis Quiroga ^{[1
]}

Racagel, Sebastien ^{[1
]}

Lonjon, Antoine ^{[1
]}

Dantras, Eric ^{[1
]}

Lacabanne, Colette ^{[1
]}

机构：

[1] Univ Toulouse, Inst Carnot CIRIMAT, Phys Polymeres, F-31062 Toulouse, France

来源：

COMPOSITES SCIENCE AND TECHNOLOGY | 2016年 / 137卷

关键词：

HIGH-PERFORMANCE COMPOSITES; THERMOPLASTIC MATRIX; POLYEPOXY COMPOSITES; NANOTUBES; BLACK; PERCOLATION; LAMINATE; KETONE;

D O I：

10.1016/j.compscitech.2016.10.029

中图分类号：

TB33 [复合材料];

学科分类号：

摘要：

New multifunctional composites with high through-thickness electrical conductivity were elaborated with carbon fiber (CF) reinforced PEKK filled with silver nanowires (AgNWs). Composites were fabricated by film stacking at high temperature for the first series of samples and by powder impregnation for the second series. Morphological analysis of composites was performed by scanning electron microscopy (SEM) in order to check impregnation quality of carbon fibers and dispersion of AgNWs across the ply. Electrical conductivity was measured in the out-of-plane direction of laminates and recorded as a function of the volume fraction of silver nanowires. It was observed that the presence of small fractions of AgNWs (similar to 1.5 vol%) within the carbon fiber reinforced PEKK increased the transverse conductivity of non-filled CF/PEKK laminates by at least 3 orders of magnitude. The maximum conductivity achieved by laminates is 250 S m(-1). These new multifunctional composites may be used as structural high performance composites for electromagnetic shielding, or lightning strike protection. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：159 / 166

页数：8

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