Damping research in fibre reinforced composites – A review

Parvez, Yusuf; Abuthakeer, S. Syath

doi:10.1016/j.matpr.2020.11.972

Cited by 6 publications

(5 citation statements)

References 46 publications

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“…Glass fibers are less stiff than aramid fibers. The research in the literature were found to be consistent with all of these findings 24–26 …”

Section: Resultssupporting

confidence: 59%

“…The research in the literature were found to be consistent with all of these findings. [24][25][26] It is clear from Figure 6 that hydrothermal aging caused to reduce in the first mode natural frequency of composite groups. The decline in the first mode natural frequency results of the specimens aged in a hot environment was larger than that of the specimens aged at 25 C for each of the water kinds and each composite groups.…”

Section: Vibration Testmentioning

confidence: 97%

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An experimental study on the hydrothermal aging effect on the free vibration properties of hybrid aramid/glass/epoxy composites: Comparison of sea water and distilled water

Doğan,

Oğuz,

Erkliğ

2023

Polymer Composites

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The purpose of this experimental work is to investigate the impact of hydrothermal aging on the viscoelastic characteristics of hybrid aramid/glass/epoxy composites. In addition to the hybrid composites prepared by vacuum infusion method in two different hybrid configurations ([G3A3]S, [A3G3]S) and two non‐hybrid composite groups ([G6]S, [A6]S) were included for comparison purposes. Composite samples were kept in 4 different aging environments (distilled water 25°C, distilled water 70°C, seawater 25°C, and seawater 70°C) for 6 weeks. To assess the dynamic properties (natural frequency and damping ratio) of composites, a free vibration test was conducted. The vibration test results of the samples were calculated by the half‐power bandwidth method. The results revealed that hydrothermal aging did not have serious effects on first‐mode natural frequency. It was observed that the damping ratios of hybrid composites increased after hydrothermal aging when compared with unaged samples. The results from dynamic aspects like the storage modulus and loss modulus were consistent among themselves. The parameters of the storage modulus and loss modulus have both decreased as a result of hydrothermal aging. In addition, the results proved that the rise in temperature accelerated the degradation in mechanically deteriorated composite materials. It was also found that aging in seawater was induced to more deterioration of hybrid and non‐hybrid composite materials.Highlights The order of the fabrics play an important role in free vibration properties of hybrid composites. Aging hybrid composites at different temperatures affects their free vibration properties. and values decreased more as the temperature increased. Hydrothermal aging has increased the dumping ratio values of composite materials.

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“…Glass fibers are less stiff than aramid fibers. The research in the literature were found to be consistent with all of these findings 24–26 …”

Section: Resultssupporting

confidence: 59%

Section: Vibration Testmentioning

confidence: 97%

An experimental study on the hydrothermal aging effect on the free vibration properties of hybrid aramid/glass/epoxy composites: Comparison of sea water and distilled water

Doğan,

Oğuz,

Erkliğ

2023

Polymer Composites

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“…Polymers 2023, 15, x FOR PEER REVIEW 2 of 14 fiber-reinforced composites: viscoelastic properties of the matrix and/or fiber materials, interface damping, damping caused by damage, viscoplastic damping, and thermoelastic damping [5]. Moreover, other complementary variables, such as moisture, temperature variations, fiber orientation, fiber volume fraction, and matrix type, contribute to the damping-energy relationship [6].…”

Section: Methodsmentioning

confidence: 99%

“…The interface dissipates part of the energy, which can be measured by vibration damping and the level of adhesion within the fiber/matrix. There are different sources of energy dissipation in fiber-reinforced composites: viscoelastic properties of the matrix and/or fiber materials, interface damping, damping caused by damage, viscoplastic damping, and thermoelastic damping [ 5 ]. Moreover, other complementary variables, such as moisture, temperature variations, fiber orientation, fiber volume fraction, and matrix type, contribute to the damping–energy relationship [ 6 ].…”

Section: Introductionmentioning

confidence: 99%

Effect of Hydrothermal Aging on Damping Properties in Sisal Mat-Reinforced Polyester Composites

Silva,

Marques

et al. 2024

Polymers

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Hydrothermal aging is a matter of considerable concern for natural fiber-reinforced polymers; it can alter dimensional stability and induce microcracks and macro strain on the composite structure. This study applied a sorption kinetic model and examined the effects of water on the damping factor of sisal mat-reinforced polyester composites. The experimental data were fitted well using a Boltzmann sigmoid function, suggesting a promising first step toward kinetic water sorption modeling. Additionally, a damping test was carried out using the impulse excitation technique, highlighting the composite material’s dynamic response under varying water absorption conditions. The result showed that damping exhibited sensitivity to water absorption, increasing significantly during the first 24 h of immersion in water, then remained steady over time, inferring a critical time interval. An empirical model proved satisfactory with the correlation coefficient for sorption rates and damping of sisal mat polymeric composites.

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“…Plant fiber-reinforced polymer matrix composites have shown adequate potential as alternative materials to synthetic fiber-reinforced composites for commercial and domestic purposes [ 54 , 55 ]. Thermoplastic and thermoset polymers are commonly used matrix materials for the production of natural-based fiber-reinforced composites [ [56] , [57] , [58] ]. Examples of thermoplastic materials used for this purpose include polyethylene (PE), polyvinyl chloride (PVC), polypropylene (PP), and polystyrene (PS).…”

Section: Lignocellulosic Fiber and Its Compositementioning

confidence: 99%

Potential of lignocellulosic fiber reinforced polymer composites for automobile parts production: Current knowledge, research needs, and future direction

Musa,

Onwualu

2024

Heliyon

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Damping research in fibre reinforced composites – A review

Cited by 6 publications

References 46 publications

An experimental study on the hydrothermal aging effect on the free vibration properties of hybrid aramid/glass/epoxy composites: Comparison of sea water and distilled water

An experimental study on the hydrothermal aging effect on the free vibration properties of hybrid aramid/glass/epoxy composites: Comparison of sea water and distilled water

Effect of Hydrothermal Aging on Damping Properties in Sisal Mat-Reinforced Polyester Composites

Potential of lignocellulosic fiber reinforced polymer composites for automobile parts production: Current knowledge, research needs, and future direction

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