Thermal and mechanical properties of phenolic-based composites reinforced by carbon fibres and multiwall carbon nanotubes

被引：108

作者：

Eslami, Zahra ^{[1
]}

Yazdani, Farshad ^{[1
]}

Mirzapour, Mir Aidin ^{[1
]}

机构：

[1] Chem & Chem Engn Res Ctr Iran, Tehran, Iran

来源：

COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING | 2015年 / 72卷

关键词：

Polymer-matrix composites (PMCs); High-temperature properties; Mechanical properties; Electron microscopy; FLAMMABILITY PROPERTIES; ABLATIVE PROPERTIES; NANOCOMPOSITES; DISPERSION; MICROSTRUCTURE; DEGRADATION; PROTECTION; BEHAVIOR; MWNT;

D O I：

10.1016/j.compositesa.2015.01.015

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The thermal, mechanical and ablation properties of carbon fibre/phenolic composites filled with multi-wall carbon nanotubes (MWCNTs) were investigated. Carbon fibre/phenolic/MWCNTs were prepared using different weight percentage of MWCNTs by compression moulding. The samples were characterized by scanning electron microscopy (SEM), flexural tests, thermal gravimetric analysis and oxyacetylene torch tests. The thermal stability and flexural properties of the nanocomposites increased by increasing MWCNTs content (wt% <= 1), but they decreased when the content of MWCNTs was 2 wt%. The linear and mass ablation rates of the nanocomposites after modified with 1 wt% MWCNTs decreased by about 80% and 52%, respectively. To investigate the material post-test microstructure, a morphological characterization was carried out using SEM. It was shown that the presence of MWCNTs in the composite led to the formation of a strong network char layer without any cracks or opening. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：22 / 31

页数：10

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