The effect of surface treatment of F-12 aramid fibers with rare earths on the interlaminar shear strength of aramid/epoxy composites

被引：17

作者：

Wu, J ^{[1
]}

Cheng, XH ^{[1
]}

机构：

[1] Shanghai Jiao Tong Univ, Sch Mech Engn, Shanghai 200030, Peoples R China

来源：

MECHANICS OF COMPOSITE MATERIALS | 2005年 / 41卷 / 02期

基金：

中国国家自然科学基金;

关键词：

aramid fibers; modification; rare earths; composites; interlaminar shear strength;

D O I：

10.1007/s11029-005-0045-5

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

Solutions of a rare-earth modifier (RES) and the epoxy chloropropane (ECP) grafting modification method are used for the surface treatment of F-12 aramid fibers. The effects of RES concentration on the interlaminar shear strength (ILSS) of F-12 aramid fiber/epoxy composites are investigated in detail, and the fracture surfaces of ILSS specimens are analyzed by SEM. It is shown that the RES surface treatment is superior to the ECP grafting treatment in promoting the interfacial adhesion between aramid fibers and the epoxy matrix. However, the tensile strength of single fibers is almost unaffected by the RES treatment. The optimum ILSS is obtained at a 0.5 wt. % content of rare-earth elements.

引用

页码：181 / 186

页数：6

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