Modelling the permeability of random discontinuous carbon fibre preforms

被引：4
|
作者：
Xiao, Zhaofei [1 ]
Liu, Xiaoling [2 ]
Harper, Lee T. [3 ]
Endruweit, Andreas [3 ]
Warrior, Nicholas A. [3 ]
机构：
[1] Univ Glasgow, Sch Engn, Glasgow, Lanark, Scotland
[2] Univ Nottingham, Adv Composite Ctr, Ningbo, Peoples R China
[3] Univ Nottingham, Fac Engn, Nottingham, England
来源：
JOURNAL OF COMPOSITE MATERIALS | 2020年 / 54卷 / 20期
关键词：
Permeability; discontinuous carbon fibre; computational modelling; CAPILLARY-PRESSURE; FLOW-THROUGH;
D O I：
10.1177/0021998320902506
中图分类号：
TB33 [复合材料];
学科分类号：
摘要：
A force-directed algorithm was developed to create representative geometrical models of fibre distributions in directed carbon fibre preforms. Local permeability values were calculated for the preform models depending on the local fibre orientation, distribution and volume fraction. The effect of binder content was incorporated by adjusting the principal permeability values of the meso-scale discontinuous fibre bundles, using corresponding experimental data obtained for unidirectional non-crimp fabrics. The model provides an upper boundary for the permeability of directed carbon fibre preform architectures, where predictions are within one standard deviation of the experimental mean for all architectures studied.
引用
收藏
页码：2739 / 2751
页数：13
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