The Friction and Wear Properties of ECP Surface-Treated Kevlar Fiber-Reinforced Thermoplastic Polymide Composites

被引：8
|
作者：
Li, J. [1 ]
Cai, C. L. [1 ]
机构：
[1] Shanghai Second Polytech Univ, Sch Mech & Elect Engn, Shanghai 201209, Peoples R China
来源：
POLYMER-PLASTICS TECHNOLOGY AND ENGINEERING | 2010年 / 49卷 / 02期
关键词：
ECP; Friction and wear; Interfacial adhesion; Kevlar fiber; PI; MICROBOND TEST; INTERFACE; STRENGTH; TESTS;
D O I：
10.1080/03602550903284263
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Epoxy chloropropane (ECP) grafting modification method was used for the surface treatment of Kevlar fiber to improve the interfacial adhesion of the Kevlar fiber-reinforced polyimide (PI) composite. The surface characteristics of untreated and treated Kevlar fiber were characterized by Fourier transform infrared (FT-IR) spectroscope. The friction and wear properties of the polyimide (PI) composites filled with differently surface treated Kevlar fibers (20 vol%), sliding against GCr15 steel, were investigated on a ball-on-block reciprocating UMT-2MT tribometer. Experimental results revealed that ECP treatment largely reduced the friction and wear of Kevlar/PI composites. Scanning electron microscope (SEM) investigation of worn surfaces of PI composites showed that ECP treated Kevlar/PI composite had the strongest interfacial adhesion and the smoothest worn surface under given load and reciprocating sliding frequency.
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页码：178 / 181
页数：4
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