Ageing of a carbon epoxy composite for aeronautic applications

被引：40
|
作者：
Bellenger, V [1 ]
Decelle, J [1 ]
Huet, N [1 ]
机构：
[1] Ecole Natl Super Arts & Metiers, LTVP, F-75013 Paris, France
来源：
COMPOSITES PART B-ENGINEERING | 2005年 / 36卷 / 03期
关键词：
carbon-epoxy composite; oxidation; weight loss; modelling;
D O I：
10.1016/j.compositesb.2004.04.016
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
It is possible to simulate the weight loss and the density increase of an epoxy matrix induced by oxidation with a kinetic model of radical chain oxidation coupled with the equation of oxygen diffusion. In this paper, we checked this kinetic model for UD composite samples and showed that it allows the calculation of the weight loss taking into account two diffusion coefficients of oxygen, the first in the parallel direction to fibres and the second in the transverse direction. Our simulation tool is valid in the validity domain of Arrhenius law and if the crack density remains under a critical value. The carbon fibres do not show a specific effect on the weight loss induced by oxidation at the ageing temperature under consideration. (c) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码：189 / 194
页数：6
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