Fatigue in sisal fiber reinforced polyester composites: hysteresis and energy dissipation

被引：22

作者：

Belaadi, A. ^{[1
]}

Bezazi, A. ^{[1
]}

Maache, M. ^{[1
]}

Scarpa, F. ^{[2
]}

机构：

[1] Univ 8 Mai 1945, LMANM, BP 401, Guelma 24000, Algeria

[2] Univ Bristol, Dept Aerosp Engn, Bristol BS8 1TR, Avon, England

来源：

XVII INTERNATIONAL COLLOQUIUM ON MECHANICAL FATIGUE OF METALS (ICMFM17) | 2014年 / 74卷

关键词：

sisal fibre; polyester; biocomposite; 3-point bending; fatigue; BEHAVIOR;

D O I：

10.1016/j.proeng.2014.06.272

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Natural fibre reinforced polymer biocomposites (NFPBCs) constitute an important branch in the field of green composite materials. The work describes the fatigue behaviour of polyester biocomposites reinforced with natural sisal fibres and stacked as cross laminates with [0/90](s). sequence Three-point bending static and cyclic tests have been used to investigate the fatigue behaviour of these particular bio-reinforced composites. The cyclic tests have been carried out at 1.5 Hz of frequency using a sinusoidal waveform and loading levels varying between r(d) = 0.55 to 0.95 and the curves of stiffness degradation (F/F-0) has been plotted. Failure is reached after the first few cycles for high loading levels, whereas for low values of r(d) (0.55) fracture is only partial, even after reaching one million of cycles. (C) 2014 Elsevier Ltd.

引用

页码：325 / 328

页数：4

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