Analysis of composite T-joint designs for enhanced resistance to hydrodynamic ram

被引：21

作者：

May, Michael ^{[1
]}

Ganzenmueller, Georg ^{[1
]}

Wolfrum, Johannes ^{[2
]}

Heimbs, Sebastian ^{[3
]}

机构：

[1] Ernst Mach Inst, Fraunhofer Inst High Speed Dynam, D-79104 Freiburg, Germany

[2] WIWeB, Bundeswehr Res Inst Mat Fuels & Lubricants, D-85435 Erding, Germany

[3] Airbus Grp Innovat, D-81663 Munich, Germany

来源：

COMPOSITE STRUCTURES | 2015年 / 125卷

关键词：

Composite joints; Experimental testing; High rate; Through-thickness reinforcement; Hydrodynamic ram; FAILURE; STRENGTH;

D O I：

10.1016/j.compstruct.2015.02.012

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

This study is concerned with the feasibility of different T-joint designs for application in aircraft composite fuel tanks which may be subjected to hydrodynamic ram loading. In a first step, the response of a hybrid metallic/composite T-joint is compared against a state-of-the-art composite T-joint. In a second step, two different resin systems are compared using a third T-joint design one state-of-the-art aerospace resin and one novel, toughened system. Experimental work is done under both, quasi-static and under high-rate loading conditions. The hybrid metallic/composite T-joint showed superior post-failure behavior compared to the state-of-the-art composite T-joint. The use of the toughened resin system results in a significant increase of joint strength. The post-failure behavior is however not affected by the resin system. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：188 / 194

页数：7

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