Flexural behaviour of hybrid laminated composites

被引：130
|
作者：
Reis, P. N. B.
Ferreira, J. A. M. [1 ]
Antunes, F. V.
Costa, J. D. M.
机构：
[1] Univ Beira Interior, Dept Electromech Engn, P-6200 Covilha, Portugal
[2] Univ Coimbra, FCTUC, Dept Mech Engn, P-3030 Coimbra, Portugal
来源：
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING | 2007年 / 38卷 / 06期
关键词：
hybrid; fatigue; damage mechanisms; finite element analysis;
D O I：
10.1016/j.compositesa.2006.11.010
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The present paper studies the flexural behaviour of hand manufactured hybrid laminated composites with a hemp natural fibre/polypropylene core and two glass fibres/polypropylene surface layers at each side of the specimen. When compared with full glass fibres reinforced polypropylene laminates, the hybrid composites have economical, ecological and recycling advantages and also specific fatigue strength benefits. Static and fatigue tests were performed in three point bending for both laminates to evaluate flexural strength properties and fatigue behaviour. Fatigue damage was measured in terms of the stiffness loss. Failure sites and mechanisms were evaluated through microscopy studies and a 3D numerical analysis using finite element method. (c) 2006 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1612 / 1620
页数：9
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