Interlaminar fracture of CF/EP composites modified with nano-silica

被引：9
|
作者：
Deng, S. [1 ]
Rosso, P. [2 ]
Ye, L. [1 ]
Friedrich, K. [2 ]
机构：
[1] Univ Sydney, Sch Aerosp Mech & Mechatron Engn, Sydney, NSW 2006, Australia
[2] Tech Univ Kaiserslautern, Inst Composite Mat IVW GmbH, D-67663 Kaiserslautern, Germany
来源：
NANOSCIENCE AND TECHNOLOGY, PTS 1 AND 2 | 2007年 / 121-123卷
关键词：
nano-silica; CF/EP composites; interlaminar fracture toughness; delamination;
D O I：
10.4028/www.scientific.net/SSP.121-123.1403
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Fracture toughness and other mechanical properties of epoxies modified with nano-slica particles were measured to elaborate effects of nano-additives on fracture behaviour of the modified epoxies. Interlaminar fracture behaviours of the nano-silica modified CF/EP composites were subsequently investigated by conducting Mode-I and Mode-II interlaminar fracture toughness tests as well as transverse tension tests. It was found that the fracture toughness of the nano-silica modified epoxies and the interlaminar fracture toughness of nano-silica modified CF/EP composites have been increased significantly (> 50%), while the strength and modulus of the materials remain unchanged or slightly higher. In particular, the nano-silica modified epoxies showed only very little reduction in the glass transition temperature (T-g).
引用
收藏
页码：1403 / 1406
页数：4
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