EPOXY COMPOSITES BASED ON GLASS-BEADS .2. MECHANICAL-PROPERTIES

被引：67

作者：

AMDOUNI, N ^{[1
]}

SAUTEREAU, H ^{[1
]}

GERARD, JF ^{[1
]}

机构：

[1] INST NATL SCI APPL,CNRS,URA 507,MAT MACROMOLEC LAB,20 AVE A EINSTEIN,F-69621 VILLEURBANNE,FRANCE

来源：

JOURNAL OF APPLIED POLYMER SCIENCE | 1992年 / 46卷 / 10期

关键词：

D O I：

10.1002/app.1992.070461004

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

A DGEBA/DDA network was used to study the toughening effect due to the introduction of glass beads with different volume fractions. The influence of surface treatment was also studied by comparing untreated, silane-treated glass beads, and beads coated with different thicknesses of an elastomeric adduct. The effect of the volume fraction of glass and the surface treatment were discussed in terms of elastic and plastic properties. The results were compared with the usual theoretical models. Linear elastic fracture mechanics and impact tests were performed to study the crack propagation process. The various parameters influenced the deformation mechanism, especially for the coated glass bead composites, for which an optimum thickness was displayed. A large improvement in G(Ic) value was obtained with a slight decrease for the stiffness.

引用

页码：1723 / 1735

页数：13

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