Investigation of the flexural and thermomechanical properties of nanoclay/graphene reinforced carbon fiber epoxy composites

被引：28

作者：

Tareq, Md Sarower ^{[1
]}

Zainuddin, S. ^{[1
]}

Woodside, E. ^{[1
]}

Syed, F. ^{[1
]}

机构：

[1] Tuskegee Univ, Ctr Adv Mat, Tuskegee, AL 36088 USA

来源：

JOURNAL OF MATERIALS RESEARCH | 2019年 / 34卷 / 21期

基金：

美国国家科学基金会;

关键词：

composite; nanoscale; microstructure; MECHANICAL-PROPERTIES; SILICATE NANOCOMPOSITES; THERMAL-PROPERTIES; GRAPHENE; NANOTUBES; STRENGTH; SYNERGY;

D O I：

10.1557/jmr.2019.302

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Flexural and thermomechanical properties of the epoxy-based carbon fiber composites (CFCs) on addition of single and binary nanoparticles (nanoclay and graphene) have been investigated. It was found that nanoclay acts more effectively in increasing the stiffness of the CFCs, whereas graphene is more effective in achieving higher strength. Nanoclay-added samples exhibited highest flexural (64.5 GPa) and storage (25.3 GPa) modulus among all types. Graphene-added samples showed highest improvement (by 21%) in flexural strength and exhibited most stable thermomechanical properties with highest energy dissipation capability (3.1 GPa loss modulus) in flexural test and dynamic mechanical analysis (DMA), respectively. By contrast, addition of binary nanoparticles reduced the stiffness and significantly increased the strain to failure (42%) of the composites. Optical microscopy and scanning electron microscopy indicated that addition of nanoparticles significantly reduced delamination and matrix cracking of the CFCs because of strong interfacial bonding and toughened matrix, respectively.

引用

页码：3678 / 3687

页数：10

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