Flatwise compression and flexural behavior of foam core and polymer pin-reinforced foam core composite sandwich panels

被引：47
|
作者：
Abdi, B. [1 ]
Azwan, S. [1 ]
Abdullah, M. R. [1 ]
Ayob, Amran [1 ]
Yahya, Yazid [1 ]
Xin, Li [1 ]
机构：
[1] Univ Teknol Malaysia, Ctr Composites, Johor Baharu 81310, Johor, Malaysia
来源：
INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES | 2014年 / 88卷
关键词：
Loading rate; Flexural; Flatwise compression; Sandwich panel; Polymer pins; FACE-SHEETS; BEAMS; COLLAPSE; THICKNESS;
D O I：
10.1016/j.ijmecsci.2014.08.004
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The behavior of foam core sandwich (FCS) and polymer pin-reinforced foam core sandwich (PRFCS) panels was experimentally explored for flatwise compression and flexural loadings. The FCS and PRFCS panels were made of chopped strand mat glass/polyester as face sheets and polyurethane foam as core material using a vacuum infusion process. The aim of the study is to determine the effect of the polyester pin reinforcement in the foam core when the panels are subjected to flexural and flatwise compression loadings. Moreover, the effects of different loading rates on the flexural response of glass/polyester laminate and both types of the sandwich panels were determined. It was found that by reinforcing the foam core with cylindrical polymer pins, the flatwise compression and flexural properties of panels were increased significantly. Furthurmore, it was found that the diameter of polymer pins had a large influence while the loading rate had a moderate influence on the flexural stiffness of both types of the composite sandwich panels. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：138 / 144
页数：7
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