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

被引：14

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

页码：175 / 179

页数：5

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