THERMAL AGING PROPERTIES OF GRAPHITE FIBER REINFORCED PEEK AND GRAPHITE FIBER REINFORCED BMI COMPOSITES

被引：4

作者：

LI, L

机构：

[1] Institute of FRP Research and Design, State Administration of Building Materials Industry

来源：

POLYMER-PLASTICS TECHNOLOGY AND ENGINEERING | 1990年 / 29卷 / 5-6期

关键词：

D O I：

10.1080/03602559008049860

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Graphite fiber reinforced poly(ether ether ketone) (PEEK) and graphite fiber reinforced bismaleimide (BMI) composite materials are two kinds of advanced fiber-reinforced polymer matrix composites with good thermal stability and excellent mechanical properties at high temperature. They are currently receiving considerable attention. The main limitation on their application is the lack of knowledge regarding their behaviors during extended use at high temperature. Thermal aging properties are the main parameters for new polymer matric composites that will be used in advanced spacecraft structural components. From the results of thermal aging effects on the properties-including interlaminar shear strength, drop-weight impact strength, and impact energy-of graphite/PEEK and graphite/BMI composites, it is found that unidirectional graphite fiber reinforced composites retain higher strength compared to multidirectional, and that multidirectional graphite/PEEK composites keep higher property retentions than multidirectional graphite/BMI composites after thermal aging at 190-degrees-C. From scanning electron photomicrographs, it is also found that graphite/PEEK composites have better fiber/resin adhesion, intraply adhesion, and microcrack resistance compared to graphite/BMI composites after thermal aging.

引用

页码：549 / 562

页数：14

共 11 条

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