Out-of-plane permeability of 3D woven fabrics for composite structures

被引:1
|
作者
May, David [1 ]
Willenbacher, Bjoern [1 ]
Semar, Jan [1 ]
Sharp, Keith [2 ]
Mitschang, Peter [1 ]
机构
[1] Inst Verbundwerkstoffe GmbH, D-67663 Kaiserslautern, Germany
[2] Tex Tech Ind Inc, Portland, ME USA
关键词
Permeability; textiles; reinforcements; processing; impregnation; 3D weaving; 3D-WF; COMPACTION;
D O I
10.1080/00405000.2019.1682759
中图分类号
TB3 [工程材料学]; TS1 [纺织工业、染整工业];
学科分类号
0805 ; 080502 ; 0821 ;
摘要
Polymer composites in structural applications commonly provide reinforcement based on 2D textile products, such as woven fabrics or non-crimp fabrics. This leads to sensitivity for delamination and high lay-up effort, especially when a large part thickness is required. 3D woven fabrics (3D-WF) can prevent delamination by incorporating fibers in out-of-plane direction and given the increased areal weight of the single layers, the effort for lay-up is strongly reduced. However, large part thicknesses are also challenging when it comes to impregnation. A high out-of-plane permeability helps facing this challenge. Within this study, the saturated out-of-plane permeability of different 3D-WF (glass fiber) with an areal weight ranging from 1850 g/m(2) to 5242 g/m(2) was measured. It was found that at an equal fiber volume content of 50% the increase of out-of-plane oriented reinforcement fibers leads to an increasing out-of-plane permeability with increasing areal weight.
引用
收藏
页码:1047 / 1053
页数:7
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