On fracture toughness of nano-particle modified epoxy

被引：215
作者：
Liu, Hong-Yuan [1 ]
Wang, Gong-Tao [1 ]
Mai, Yiu-Wing [1 ]
Zeng, Ying [1 ]
机构：
[1] Univ Sydney, CAMT, Sch Aerosp Mech & Mechatron Engn J07, Sydney, NSW 2006, Australia
来源：
COMPOSITES PART B-ENGINEERING | 2011年 / 42卷 / 08期
基金：
澳大利亚研究理事会;
关键词：
Fracture toughness; Silica nano particles; Rubber nano particles; Nano composites; HYBRID-PARTICULATE COMPOSITES; BEHAVIOR; FATIGUE; RUBBER; SILICA; NANOCOMPOSITES; MECHANISMS; POLYMERS; RESINS;
D O I：
10.1016/j.compositesb.2011.05.014
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A systematic study on the effects of silica and rubber nano-particles on the fracture toughness behavior of epoxy was conducted. Mode I fracture toughness (G(IC)) of binary silica/epoxy, binary rubber/epoxy and ternary silica/rubber/epoxy nanocomposites with different particle weight fractions was obtained by compact tension tests. It is found that G(IC) of epoxy can be significantly increased by incorporating either rubber or silica nano-particles. However, hybrid nanocomposites do not display any "synergistic" effect on toughness. Microstructures before and after fracture testing were examined to understand the role of nano-particles on the toughening mechanisms. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2170 / 2175
页数：6
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