Influence of the Matrix Type on the Mode I Fracture of Carbon-Epoxy Composites Under Dynamic Delamination

被引：14
|
作者：
Argueelles, A. [2 ]
Vina, J. [1 ]
Canteli, A. F. [2 ]
Lopez, A. [1 ]
机构：
[1] Univ Oviedo, Dept Mat Sci & Met Engn, Gijon 33204, Spain
[2] Univ Oviedo, Dept Construct & Mfg Engn, Gijon 33204, Spain
来源：
EXPERIMENTAL MECHANICS | 2011年 / 51卷 / 03期
关键词：
Delamination; Mode I; Fracture; Fatigue; Matrix; INTERLAMINAR FRACTURE; FATIGUE; TOUGHNESS; SIMULATION; GROWTH;
D O I：
10.1007/s11340-010-9364-0
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The delamination energy and fracture behaviour under static and dynamic mode I loading of two composites, made of the same unidirectional carbon reinforcement embedded in two different matrices, one tough and the other brittle, was investigated with the aim of analyzing the influence of the employed resin on the fatigue delamination behaviour of both composites. In the case of dynamic loading, the number of cycles necessary for the onset of delamination was determined for a given elastic energy release rate and crack growth rate for different critical energy rates. The double cantilever beam (DCB) test was found to be suitable for promoting the initial delamination. The experimental results confirm the enhanced performance of the tough resin both in terms of crack initiation and growth rate.
引用
收藏
页码：293 / 301
页数：9
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