STRENGTH OF ARAMID-EPOXY COMPOSITES DURING MOISTURE ABSORPTION

被引：26

作者：

DOXSEE, LE

JANSSENS, W

VERPOEST, I

DEMEESTER, P

机构：

[1] Department of Metallurgy and Materials Engineering, Katholieke Universiteit Leuven, Leuven

来源：

JOURNAL OF REINFORCED PLASTICS AND COMPOSITES | 1991年 / 10卷 / 06期

关键词：

Aramid Epoxy Composites - Interlaminar Shear Strength;

D O I：

10.1177/073168449101000606

中图分类号：

TB33 [复合材料];

学科分类号：

摘要：

Tests were performed to determine the effects of a fiber surface treatment on the interlaminar shear strength of dry and moist Twaron aramid-epoxy composites. Unidirectional specimens, some containing treated fibers and some containing untreated fibers, were subjected to elevated temperatures and humidities for periods of up to 14 months. Periodically, the interlaminar shear strength was measured and correlated with the moisture concentration at the plane of failure, i.e., near the midplane of the specimen. The data indicated that for dry specimens, the fiber surface treatment increased the interlaminar shear strength by about 44% over specimens with untreated fibers. As the specimens absorbed moisture, their strengths decreased, in inverse proportion to the moisture concentration at the plane of failure. For a given moisture concentration at the plane of failure, the specimens with treated fibers were stronger than those with untreated fibers. However this difference in strength decreased with increasing moisture concentrations.

引用

页码：645 / 655

页数：11

共 8 条

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