Mechanical and Thermodynamic Properties of Unidirectional Flax Fiber Reinforced CNT Modified Epoxy Composites

被引：23

作者：

Wang, Hongguang ^{[1
]}

Yang, Lanjie ^{[1
]}

Guo, Huajie ^{[2
,3
]}

Zhao, Yagebai ^{[1
]}

Zhao, Jianing ^{[2
,3
]}

机构：

[1] Northeast Forestry Univ, Sch Civil Engn, Harbin 150040, Heilongjiang, Peoples R China

[2] Northeast Forestry Univ, Sch Mat Sci, Harbin 150040, Heilongjiang, Peoples R China

[3] Northeast Forestry Univ, Coll Engn, Harbin 150040, Heilongjiang, Peoples R China

来源：

FIBERS AND POLYMERS | 2019年 / 20卷 / 06期

基金：

中国国家自然科学基金;

关键词：

Cross-linked DGEBF epoxy resin; Multi-walled carbon nanotubes; Molecular dynamics simulation; Thermodynamic properties; Glass transition temperature; WALLED CARBON NANOTUBE; MOLECULAR-DYNAMICS SIMULATIONS; ELECTRICAL-PROPERTIES; INTERFACIAL ADHESION; MATRIX MODIFICATION; ELASTIC PROPERTIES; CONCRETE; BEHAVIOR; NANOCOMPOSITES; ENHANCEMENT;

D O I：

10.1007/s12221-019-8836-9

中图分类号：

TB3 [工程材料学]; TS1 [纺织工业、染整工业];

学科分类号：

0805 ; 080502 ; 0821 ;

摘要：

In this paper, the mechanical and thermodynamic properties of diglycidyl ether of bisphenol-F (DGEBF) epoxy resin and flax fiber FRP composites, which was modified with multi-walled carbon nanotubes (MWCNTs) were studied. The mechanical property tests show significant improvements in the tensile strength (48.7 %), tensile modulus (25.2 %) at 1.0 wt.% of MWCNTs. DMTA test reveals that mixture of 1.0 wt.% MWCNTs into the epoxy resin increases 10.68 K of T-g, which is in accordance to the simulated results from molecular dynamics. These improvements in mechanical and thermodynamic properties are attributed to the balanced effect of stress concentration and radiation. The mechanical and thermodynamic properties of flax fiber FRP composites are improved with the addition of MWCNTs. This study is expected to provide an opportunity to develop high performance of natural fiber FRP composites.

引用

页码：1266 / 1276

页数：11

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