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

A. Belaadi; A. Bezazi; M. Maache; F. Scarpa

doi:10.1016/j.proeng.2014.06.272

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

A. Belaadi^*, A. Bezazi, M. Maache, F. Scarpa

^*Corresponding author for this work

Research output: Contribution to journal › Article (Academic Journal) › peer-review

26 Citations (Scopus)

Abstract

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 rd = 0.55 to 0.95 and the curves of stiffness degradation (F/F0) has been plotted. Failure is reached after the first few cycles for high loading levels, whereas for low values of rd (0.55) fracture is only partial, even after reaching one million of cycles.

Original language	English
Pages (from-to)	325-328
Number of pages	4
Journal	Procedia Engineering
Volume	74
DOIs	https://doi.org/10.1016/j.proeng.2014.06.272
Publication status	Published - 1 Jan 2014

Keywords

3-point bending
Biocomposite
Fatigue
Polyester
Sisal fibre

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title = "Fatigue in sisal fiber reinforced polyester composites: Hysteresis and energy dissipation",

abstract = "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 rd = 0.55 to 0.95 and the curves of stiffness degradation (F/F0) has been plotted. Failure is reached after the first few cycles for high loading levels, whereas for low values of rd (0.55) fracture is only partial, even after reaching one million of cycles.",

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author = "A. Belaadi and A. Bezazi and M. Maache and F. Scarpa",

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T1 - Fatigue in sisal fiber reinforced polyester composites

T2 - Hysteresis and energy dissipation

AU - Belaadi, A.

AU - Bezazi, A.

AU - Maache, M.

AU - Scarpa, F.

PY - 2014/1/1

Y1 - 2014/1/1

N2 - 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 rd = 0.55 to 0.95 and the curves of stiffness degradation (F/F0) has been plotted. Failure is reached after the first few cycles for high loading levels, whereas for low values of rd (0.55) fracture is only partial, even after reaching one million of cycles.

AB - 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 rd = 0.55 to 0.95 and the curves of stiffness degradation (F/F0) has been plotted. Failure is reached after the first few cycles for high loading levels, whereas for low values of rd (0.55) fracture is only partial, even after reaching one million of cycles.

KW - 3-point bending

KW - Biocomposite

KW - Fatigue

KW - Polyester

KW - Sisal fibre

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