Mechanical and viscoelastic study of functionalized MWCNTs/epoxy/Kevlar composites

被引：10
作者：
Bassyouni, Mohamed Ismail [1 ,2 ]
Abdel-Hamid, Shereen M. -S. [2 ]
Abdel-Aziz, Mohamed Helmy [1 ,3 ]
Zoromba, Mohamed Shafick [1 ,4 ]
机构：
[1] King Abdulaziz Univ, Dept Chem & Mat Engn, Rabigh, Saudi Arabia
[2] Higher Technol Inst, Dept Chem Engn, Ramadan City 10, Egypt
[3] Alexandria Univ, Fac Engn, Chem Engn Dept, Alexandria, Egypt
[4] Port Said Univ, Fac Sci, Chem Dept, Port Fuad, Egypt
来源：
POLYMER COMPOSITES | 2018年 / 39卷
关键词：
INTERLAMINAR FRACTURE-TOUGHNESS; CARBON NANOTUBES; EPOXY; NANOCOMPOSITES; FABRICATION; NH2-MWCNTS; ABLATION; NR;
D O I：
10.1002/pc.24452
中图分类号：
TB33 [复合材料];
学科分类号：
摘要：
Nanomaterials-strengthened diglycidyl ether of bisphenol A (DGEBA) epoxy resin and aramid fiber composites were investigated for 0.16 wt% and 0.32 wt% of industrial and-COOH-functionalized multiwalled carbon nanotubes (MWCNTs). Epoxy/Kevlar fiber/MWCNT hybrid composites were prepared using a vacuum resin-infusion molding method (VRIM) based on 0.68 aramid fiber mass fractions. The effects of MWCNTs on the viscoelastic, mechanical, and thermal properties of composites were investigated. The chemical structure of composites was studied using Fourier-transform infrared spectroscopy. Samples with COOH-functionalized nanotubes showed a strong impact on thermogravimetric analysis, in contrast to composites having the equivalent amount of industrial grade MWCNTs. The outcomes show that addition of MWCNTs to epoxy has a substantial influence on viscoelastic properties. The viscoelastic and thermal analyses show that storage modulus escalates with the addition of functionalized MWCNTs. Micrographs of MWCNTs-enriched epoxy and Kevlar/epoxy samples revealed the uniform distribution of-COOH-functionalized MWCNTs in epoxy (as compared to industrial grade MWCNTs), resulting in increased interfacial strength between fiber/matrix. POLYM. COMPOS., 39:E2064-E2073, 2018. (c) 2017 Society of Plastics Engineers
引用
收藏
页码：E2064 / E2073
页数：10
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