Hybrid multi-scale epoxy composite made of conventional carbon fiber fabrics with interlaminar regions containing electrospun carbon nanofiber mats

被引：67

作者：

Chen, Qi ^{[2
]}

Zhang, Lifeng ^{[2
]}

Rahman, Arifur ^{[1
]}

Zhou, Zhengping ^{[1
]}

Wu, Xiang-Fa ^{[1
]}

Fong, Hao ^{[2
]}

机构：

[1] N Dakota State Univ, Dept Mech Engn, Fargo, ND 58108 USA

[2] S Dakota Sch Mines & Technol, Dept Chem, Rapid City, SD 57701 USA

来源：

COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING | 2011年 / 42卷 / 12期

基金：

美国国家航空航天局;

关键词：

Polymer-matrix composites (PMCs); Fibers; Mechanical properties; Electrical properties; NANOCOMPOSITES;

D O I：

10.1016/j.compositesa.2011.09.010

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Herein we report the development and evaluation of hybrid multi-scale epoxy composite made of conventional carbon fiber fabrics with interlaminar regions containing mats of electrospun carbon nanofibers (ECNs). The results indicated that (1) the interlaminar shear strength and flexural properties of hybrid multi-scale composite were substantially higher than those of control/comparison composite without ECNs; in particular, the interlaminar shear strength was higher by similar to 86%; and (2) the electrical conductivities in both in-plane and out-of-plane directions were enhanced through incorporation of ECNs, while the enhancement of out-of-plane conductivity (similar to 150%) was much larger than that of in-plane conductivity (similar to 20%). To validate the data reduction procedure, a new shear stress formula was formulated for composite laminates, which took into account the effect of layup and inter-layers. The study suggested that ECNs could be utilized for the development of high-performance composites, particularly with the improved out-of-plan properties (e.g., interlaminar shear strength). (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：2036 / 2042

页数：7

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