Experimental evaluation of the low-velocity impact damage resistance of CFRP tubes with integrated rubber layer

被引：40
|
作者：
Stelldinger, E. [1 ]
Kuehhorn, A. [1 ]
Kober, M. [1 ]
机构：
[1] Brandenburg Univ Technol Cottbus Senftenberg, Chair Struct Mech & Vehicle Vibrat Technol, Siemens Halske Ring 14, D-03046 Cottbus, Germany
来源：
COMPOSITE STRUCTURES | 2016年 / 139卷
关键词：
Composites; Tubes; Low-velocity impact; Damage resistance; DYNAMIC-RESPONSE; COMPOSITE; PERFORMANCE; INTERLAYER;
D O I：
10.1016/j.compstruct.2015.11.069
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
The impact performance of structural components made of fibre-reinforced plastic is often one of the limiting properties during the design process. To improve the damage resistance regarding transverse low-velocity impact loading, a rubber layer (KRAIBON (R)) is integrated into the composite laminate of tubular carbon/epoxy specimens. Numerous impact tests, using two different rubber compounds and three different layups, are carried out. The specimens are impacted using a modified Charpy pendulum. Force time histories have been used to determine the damage threshold load. To visualise damage such as delaminations and inter-fibre failures, the impacted samples have been examined using microsectioning. It is shown that a significant improvement in impact damage resistance can be achieved by integrating a rubber layer into a carbon/epoxy laminate. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：30 / 35
页数：6
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