High performance multiscale glass fibre epoxy composites integrated with cellulose nanocrystals for advanced structural applications

被引：35

作者：

Kumar, Sandeep ^{[1
]}

Falzon, Brian G. ^{[1
]}

Kun, Jeffery ^{[1
]}

Wilson, Emma ^{[1
]}

Graninger, Georg ^{[1
]}

Hawkins, Stephen C. ^{[1
,2
]}

机构：

[1] Queens Univ Belfast, Adv Composite Res Grp, Sch Mech & Aerosp Engn, Ashby Bldg, Belfast BT9 5AH, Antrim, North Ireland

[2] Monash Univ, Dept Mat Sci & Engn, Clayton, Vic 3800, Australia

来源：

COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING | 2020年 / 131卷

基金：

英国工程与自然科学研究理事会;

关键词：

Polymer matrix composites; Cellulose nanocrystals; Rheological properties; Mechanical testing; Vacuum infusion; MECHANICAL-PROPERTIES; CARBON NANOTUBES; GRAPHENE; MORPHOLOGY; BEHAVIOR; NANOCOMPOSITES; IMPROVEMENT; DESIGN; ROUTE;

D O I：

10.1016/j.compositesa.2020.105801

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Recently, considerable effort has been devoted to develop cellulose nanocrystal (CNC)/epoxy (EP) composites with improved properties. However, work on CNC-enhanced continuous fibre reinforced polymer (FRP) composites has received little attention. In this study, a CNC/epoxy mixture was infused through plain-woven glass fabric (GF) reinforcement to develop hierarchical CNC/GFRP composites. The results show that CNC/GFRP composites exhibit significantly enhanced mechanical properties compared to the GFRP control composite. The addition of 2 wt% CNC to GFRP yielded increases of 56% in storage modulus, 50% in flexural modulus, 55% in flexural strength, 14% in tensile modulus and 24% in tensile strength. Morphological studies (SEM) confirm the strong anchoring of CNCs with GF and the EP interphase thin layer around the GF. These results show that CNCs can be effective for strengthening the interface in fibre-reinforced composites for structural applications.

引用

页数：12

共 46 条

[1] Experimental and numerical investigation on the mechanical characteristics of polyethylenimine functionalized graphene oxide incorporated woven carbon fibre/epoxy composites [J].