FRACTURE-TOUGHNESS CHARACTERIZATION OF PHENOLIC RESIN AND ITS COMPOSITE

被引：24

作者：

CHARALAMBIDES, MN

WILLIAMS, JG

机构：

[1] Mechanical Engineering Department, Imperial College of Science Technology and Medicine, London

来源：

POLYMER COMPOSITES | 1995年 / 16卷 / 01期

关键词：

D O I：

10.1002/pc.750160105

中图分类号：

TB33 [复合材料];

学科分类号：

摘要：

The aim of this study is to determine the fracture toughness of phenolic resin and its composite. Fracture tests on phenolic resin resulted in a fracture toughness close to values quoted for unmodified epoxy resins. Composite specimens of glass fiber reinforced phenolic were also tested. The interlaminar fracture toughness in both mode I and mode II failures was determined. The mode I initiation values were lower than the neat resin's toughness. Mode I propagation values were strongly influenced by fiber bridging. The mechanism of fiber bridging was found to be sensitive to specimen dimensions. The effect of fiber bridging on the mode I analysis is discussed. Fiber bridging was also evident in mode II failures. Two different geometries were used for the mode II tests (end loaded split and end notched flexure); a correlation between the results from the two geometries is made.

引用

页码：17 / 28

页数：12

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