Low-velocity Impact Behaviour of 3-D Glass Fibre Hollow Integrated Core Sandwich Composites

被引：13
作者：
Cao, Haijian [1 ]
Qian, Kun [1 ]
Wei, Qufu [1 ]
Li, Hongshun [1 ]
机构：
[1] Jiangnan Univ, Minist Educ, Key Lab Ecotext, Wuxi 214122, Jiangsu, Peoples R China
来源：
POLYMERS & POLYMER COMPOSITES | 2010年 / 18卷 / 04期
关键词：
PLATES;
D O I：
10.1177/096739111001800401
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
In the current work, 3-D glass fibre woven fabric-reinforced composites were fabricated by impregnating epoxy resin in a hand lay-up procedure for the hollow integrated core sandwich structure. Four types of 3-D structures were investigated in terms of the impact properties as a function of the z-direction fibre length (5, 6 and 7 mm) and covered skins (covered with aluminium) in core structures. Impact properties including peak load, time to peak load, and absorbed energy were evaluated. It was found that the 3-D hollow integrated core sandwich composites covered with aluminium skin considerably enhanced the impact resistance. Photographs of the impact damage taken after impact tests were analyzed and discussed in terms of a hollowing on the front face sheet against the load applied, and whitening spread in the impact point on the back face sheet of the composites was also studied.
引用
收藏
页码：175 / 179
页数：5
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