Effect of stacking sequence on dynamic mechanical properties of Indian almond – Kenaf fiber reinforced hybrid composites

Jeyaraman, J.; Jesuretnam, Bensam Raj; Ramar, K.

doi:10.1080/15440478.2020.1858219

Cited by 22 publications

(6 citation statements)

References 22 publications

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“…The finding was supported by Akil et al [83], who reported the same trend where the loss modulus peak increased with the increase in kenaf fiber content. The peak of loss modulus is related to the stiffness of the material and signifies the dissipation of heat energy [84]. The high loss modulus obtained is due to the increase in internal friction in the composites and contributes to higher energy dissipation [80,85].…”

Section: Loss Modulus (E )mentioning

confidence: 99%

Thermal Stability, Dynamic Mechanical Analysis and Flammability Properties of Woven Kenaf/Polyester-Reinforced Polylactic Acid Hybrid Laminated Composites

et al. 2022

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This paper presents the thermal and flammability properties of woven kenaf/polyester-reinforced polylactic acid hybrid laminated composites. The effects of the fiber content and stacking sequences of hybrid composites were examined. The hybrid composites were fabricated using the hot press method. Thermogravimetric analysis, differential scanning calorimetry, dynamic mechanical analysis, and flammability properties of woven kenaf/polyester-reinforced polylactic hybrid composites were reported. The thermal results have demonstrated the effect of the hybridization of the composites on the thermal stability and viscoelastic properties of the laminates. The work also measured the burning rate of the hybrid composites during the flammability test. The S7 sample that consisted of all woven kenaf layers in composite recorded the highest char residue of 10%, and the S8 sample displayed the highest decomposition temperature among all samples. However, as for hybrid composites, the S5 sample shows the optimum result with a high char yield and exhibited the lowest burning rate at 29 mm/min. The S5 sample also shows the optimum viscoelastic properties such as storage and loss modulus among hybrid composites.

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Section: Loss Modulus (E )mentioning

confidence: 99%

Thermal Stability, Dynamic Mechanical Analysis and Flammability Properties of Woven Kenaf/Polyester-Reinforced Polylactic Acid Hybrid Laminated Composites

et al. 2022

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“…Figure 10(a) shows that the storage modulus of SHL contact lenses decreased from 13.11 to 1.81 MPa when the temperature was increased from 30 to 100°C. The decrease in storage modulus was attributed to increased polymer chain mobility [34]. As shown in Figure 10(b), the storage modulus of VE/SHL-3 contact lenses decreased from 3.78 to 1.88 MPa when the temperature was increased from 30 to 100°C, and these values were lower than those of SHL contact lenses at 30 and 100°C.…”

Section: Contact Angle Analysismentioning

confidence: 91%

Modification of Silicone Hydrogel Contact Lenses with Vitamin E for the Delivery of Ofloxacin

Zhang

Yuan

Jing

et al. 2023

Journal of Nanomaterials

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This study synthesized silicone hydrogel (SHL) contact lenses modified by vitamin E (VE). First, the prepolymer GKF8010, methacryloxymethyltris (trimethylsiloxy) silane, and N,N-dimethylaniline were used to synthesize SHL contact lenses through ultraviolet irradiation by using ethylene glycol dimethacrylate as crosslinker. Then, VE was combined with SHL contact lenses (VE/SHL) in ethanol solution. The obtained SHL and VE/SHL contact lenses were characterized using Fourier transform infrared spectroscopy, scanning electron microscopy, X-ray photoelectron spectroscopy, transmittance analysis, contact angle test, mechanical property analysis, and dynamic mechanical thermal analysis. Compared with SHL contact lenses, VE/SHL contact lenses had a porous structure, good transmittance, hydrophobic properties, and mechanical properties. Ofloxacin (OFL) was loaded into SHL and VE/SHL contact lenses by the soaking method. The drug release, antibacterial, and biocompatibility properties were further characterized. VE/SHL-OFL contact lenses could deliver OFL at therapeutic doses for 5 days. The antibacterial test indicated that VE/SHL-OFL contact lenses displayed inhibition ring sizes of 8.14 and 16.66 mm for Escherichia coli and Staphylococcus aureus, respectively. Besides, cell viability assays showed that the obtained VE/SHL contact lenses were cytocompatible and might be potential drug carriers for oculopathy treatment.

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“…Jeyaraman et al 38 carried out the dynamic mechanical analysis on Indian almond/kenaf based NFRHCs. The fibers were pretreated with 5% NaOH to eliminate dirt and sand impurities from the outer surface.…”

Section: Mechanical Performance Of Natural Fiber Reinforced Hybrid Co...mentioning

confidence: 99%

Effect of hybridization on natural fiber reinforced polymer composite materials – A review

2023

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This review explores the hybridization effect of natural fiber‐reinforced composites (NFRCs) to reduce energy consumption and environmental pollution. Although natural fibers offer several advantages over synthetic fibers, such as biodegradability, lightweight, and low cost, their application in NFRCs is challenging due to inherent issues such as variable fiber quality, constrained mechanical properties, water absorption, and poor thermal stability. However, recent research has made significant progress in addressing these issues, resulting in better NFRCs. This article surveys the latest developments in plant‐based NFRCs, focusing on methods and innovations to enhance their performance through fiber modification, hybridization, incorporation of lignocellulosic fillers, and fabrication techniques for mechanical, sound absorption, and wear performance. It also discusses the expanding uses of NFRCs in various industrial sectors and the sustainability of plant‐based NFRCs using life‐cycle assessment.

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Effect of stacking sequence on dynamic mechanical properties of Indian almond – Kenaf fiber reinforced hybrid composites

Cited by 22 publications

References 22 publications

Thermal Stability, Dynamic Mechanical Analysis and Flammability Properties of Woven Kenaf/Polyester-Reinforced Polylactic Acid Hybrid Laminated Composites

Thermal Stability, Dynamic Mechanical Analysis and Flammability Properties of Woven Kenaf/Polyester-Reinforced Polylactic Acid Hybrid Laminated Composites

Modification of Silicone Hydrogel Contact Lenses with Vitamin E for the Delivery of Ofloxacin

Effect of hybridization on natural fiber reinforced polymer composite materials – A review

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