Toughening Mechanism and the Application of Epoxy Adhesive Modified by nano-SiO2

被引：4
作者：
Wang, X. [1 ]
Zheng, S. R. [1 ]
Wang, R. M. [1 ]
机构：
[1] NW Polytech Univ, Sch Sci, Dept Applicat Chem, Xian 710072, Peoples R China
来源：
ADVANCED BUILDING MATERIALS AND SUSTAINABLE ARCHITECTURE, PTS 1-4 | 2012年 / 174-177卷
关键词：
Nano-SiO2; Epoxy resin; Modified; NANOCOMPOSITES; ALUMINUM;
D O I：
10.4028/www.scientific.net/AMM.174-177.834
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Epoxy resin adhesives are widely used in various sectors, particularly in the aerospace and automotive industries. However, the solidification of the three-dimensional network structure of pure epoxy resin, which causes greater density and brittleness, results in poor system resilience. With the ultimate goal of improving the resilience of epoxy resin, nano-sized SiO2 particles were introduced to improve the adhesion strength of both modified and unmodified epoxy adhesive. The results indicated increases of shearing strength from 16.66-Mpa to 18.01 -Mpa, impact strength from 15.4-kJ/m(2) to 33.68-kJ/m(2), and flexural strength from 70.5-Mpa to 80.94 Mpa.
引用
收藏
页码：834 / 837
页数：4
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