The Influence of Graphene Reinforced Electrospun Nano-Interlayers on Quasi-Static Indentation Behavior of Fiber-Reinforced Epoxy Composites

被引：20
|
作者：
Goodarz, M. [1 ]
Bahrami, S. H. [1 ]
Sadighi, M. [2 ]
Saber-Samandari, S. [3 ]
机构：
[1] Amirkabir Univ Technol, Text Engn Dept, Tehran 15914, Iran
[2] Amirkabir Univ Technol, Dept Mech Engn, Tehran 15914, Iran
[3] Amirkabir Univ Technol, New Technol Res Ctr, Tehran 15914, Iran
来源：
FIBERS AND POLYMERS | 2017年 / 18卷 / 02期
关键词：
Polymer composites; Aramid; Graphene reinforced nanofibers; Interleaving; Indentation; INTERLAMINAR FRACTURE-TOUGHNESS; LOW-VELOCITY IMPACT; MODE-I; MECHANICAL-BEHAVIOR; THERMAL-PROPERTIES; NANOFIBERS; OXIDE; THICKNESS; DAMAGE; VEILS;
D O I：
10.1007/s12221-017-6700-3
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：
The aim of this research is to investigate the development and evaluation of hybrid multi-scale aramid/epoxy composites interleaved with electrospun graphene nanoplatelets/nylon 66 (GNPs/PA66) mats. The reinforced nanofiber mats were explored for their best mechanical properties and PA66 nanofibers with 1 wt% GNPs were selected for composite production. Quasi-static indentation tests were performed on both pristine and nanofiber-modified composites. The experimental results revealed that the introduction of reinforced interleaves within the interlaminar interfaces of composites promotes fracture toughness compared to pristine interleaves. It is shown that there is a particular interleaf thickness for optimum toughening effect of nanofibers. The optimum thicknesses for pristine and reinforced interleaves are 35 and 17.5 mu m, respectively.
引用
收藏
页码：322 / 333
页数：12
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