Mechanical properties of glass fiber composites with an epoxy resin modified by a liquid crystalline epoxy

被引：9
|
作者：
Punchaipetch, P
D'Souza, NA [1 ]
Brostow, W
Smith, JT
机构：
[1] Univ N Texas, Dept Mat Sci, Denton, TX 76203 USA
[2] Tarleton State Univ, Dept Ind Technol, Stephenville, TX 76402 USA
来源：
POLYMER COMPOSITES | 2002年 / 23卷 / 04期
关键词：
D O I：
10.1002/pc.10457
中图分类号：
TB33 [复合材料];
学科分类号：
摘要：
The effect of liquid crystalline networks on epoxy + glass fiber composites is investigated. The matrix obtained from in-situ curing of liquid crystalline (LC) diglycidyl ether of 4,4'-dihydroxybiphenol (DGE-DHBP) with diglycidyl ether of bisphenol F (DGEBP-F) by anhydride curing agent was used as the matrix for polymer composites. Impact, tensile, and flexural testing results are compared between the unmodified and modified systems. The interlaminar fracture toughness of composites in the shear mode was determined by end notch flexure (ENF) tests. Scanning electron microscopy is used to study the fracture surfaces to understand the mechanism of fracture and interphase formation between the fiber and the matrix.
引用
收藏
页码：564 / 573
页数：10
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