Fracture behavior of multi-layered composites under impact loading

被引：11
|
作者：
Tekyeh-Marouf, B. [1 ]
Bagheri, R. [1 ]
机构：
[1] Sharif Univ Technol, Dept Mat Sci & Engn, PMRG, Tehran, Iran
来源：
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2007年 / 448卷 / 1-2期
关键词：
multi-layered composites; impact energy; interfacial fracture energy;
D O I：
10.1016/j.msea.2006.11.078
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
In this investigation, aluminum layers are bonded together using epoxy adhesive. The adhesive is modified using different additives and the influence of adhesive composition on interfacial fracture energy is measured via double cantilever beam (DCB) test. To characterize the mechanical behavior of the adhesive, compression and impact tests were incorporated. The results of compression and impact tests show that compressive and impact properties of adhesives are functions of type and content of modifier. In the DCB test, it was observed that while addition of rubber particles increase interfacial fracture energy of epoxy, incorporating SiC particles decrease this parameter. Also, the results of present study illustrate that there is an optimum for the interfacial fracture energy where beyond that the impact energy of the multi-layered composite drops sharply. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：20 / 24
页数：5
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