Mechanical properties of auxetic carbon/epoxy composites: static and cyclic fatigue behaviour

被引：51
|
作者：
Bezazi, A. [1 ]
Boukharouba, W. [1 ]
Scarpa, F. [2 ]
机构：
[1] LMS, Guelma 24000, Algeria
[2] Univ Bristol, Dept Aerosp Engn, Bristol BS8 1TR, Avon, England
来源：
PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS | 2009年 / 246卷 / 09期
关键词：
POISSONS RATIO; MODULUS; STRESS; STRAIN;
D O I：
10.1002/pssb.200982042
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
This work describes the effect that stacking sequence lay-ups have on the static and cyclic fatigue properties of T300/914 auxetic carbon/epoxy composites. Two laminate composites [+/- 20](2S) and [ +/- 25](2S) providing a theoretical NPR effect through the thickness have been subjected to quasi-static and cyclic fatigue under 3-point bending. The static tests have shown that the stiffness and the maximum failure load decrease with increasing fibre orientation angles for the laminates. The fatigue tests also show that the stiffness degradations versus the number of cycles occur on tree stages, with significant energy dissipation recorded for the two auxetic specimens. (C) 2009 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
引用
收藏
页码：2102 / 2110
页数：9
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