Dielectric properties and interfacial adhesion of jute, kenaf and E‐glass fabrics reinforcing epoxy composites

Omri, Mohamed Amin; Sanjay, M. R.; Triki, A.; Yogesha, B.; Kallel, A.

doi:10.1002/pc.25001

Cited by 36 publications

(22 citation statements)

References 92 publications

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“…This study revealed that higher adhesion between the reinforcement and the epoxy matrix was achieved with E-glass fabrics. [438] Mayandi et al reported on the effects of chemical treatments, such as sodium hydroxide (NaOH) and calcium hydroxide [Ca (OH) 2 ] and silane coupling agent (NaOH 1 silane) on fibers in composites made from veldt grape fibers (VGFs) with unsaturated polyester (UP) matrix. [439] Nadlene et al reported on the effect of different treatments applied to roselle fibers, which were then used to prepare roselle fiber reinforced vinyl ester composites.…”

Section: Progress In 2011-2015mentioning

confidence: 99%

Lignocellulosic fiber reinforced composites: Progress, performance, properties, applications, and future perspectives

Rangappa¹,

Siengchin²,

et al. 2021

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Environmental awareness across the world has motivated researchers to focus their attention on the use of cellulosic fiber as reinforcement in polymer matrices.Lignocellulosic fibers are an abundantly available resource in all countries, which is cheap and easily renewable. Also, due to their properties, cellulosic plant fibers exhibit a great potential for use in polymer reinforcement. As a result, considerable research and development efforts have been directed towards the use of cellulosic fibers as a reinforcing material in composites. The use of cellulosic fiber reinforced composites has continuously increased during recent years, which benefits the cultivation of fiber plants and the economy of the country. This research area continues to be of interest to both industry and academia, the use of cellulosic fibers in composite applications being investigated throughout the world. Cellulosic fiber reinforced composites are reasonably strong, lightweight, harmless to human health and the environment, and biodegradable, hence they have the potential to be used in various applications. Recent progress in cellulosic fiber composites research has illustrated their great potential as structural components in automobiles, aerospace structures, construction, and building, and so forth. This study is an effort to create awareness about the research works that have been published in the field of natural fiber composites. This review briefly illustrates the main paths and results of major research published in the field of natural fiber reinforced polymer composites. The topics covered include the aspects of fiber treatment to improve the mechanical properties of the composites, manufacturing methods, performance of hybrid composites, effect of laminate configuration, and many different applications of natural fiber composites.By presenting a systematic view of the work performed in this area so far, this review will hopefully serve as a starting point for the development of new ideas in the research on natural fiber polymer composites.

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Section: Progress In 2011-2015mentioning

confidence: 99%

Lignocellulosic fiber reinforced composites: Progress, performance, properties, applications, and future perspectives

Rangappa¹,

Siengchin²,

et al. 2021

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“…Whereby, the real part ε ′ was modified into an imaginary part

ε_{deriv}^{''}

. The first derivative technique was used in the case of Jute, Kenaf and E‐Glass Fabrics reinforcing epoxy Composites 32 and hybrid unsaturated polyester composites 33 in order to highlight the presence of the interfacial polarization matrix/reinforcement. Figure 9 depicts the derivative

ε_{deriv}^{''}

data variation with frequency for all nanocomposites at 100°C.…”

Section: Resultsmentioning

confidence: 99%

Dielectric and interfacial properties investigation of poly(acrylonitrile‐co‐2,2,2‐trifluoroethyl methacrylate) copolymer/organomodified beidellite clay nanocomposites

et al. 2020

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The dielectric properties of fluorinated cyano copolymer poly(acrylonitrileco-2,2,2-Trifluoroethyl methacrylate) (poly[AN-co-MATRIF]), reinforced with a natural Moroccan beidellite nanoclay organomodified with cetyltrimethylammonium bromide were studied. The effect of varying nanofillers loadings (1 wt%, 2 wt%, 3 wt%, and 5 wt%) on the molecular dynamics was investigated using broadband dielectric spectroscopy from 10 −1 to 10 6 Hz and temperatures ranging between 30 C to 100 C. For the copolymer matrix, the real (ε 0

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“…This effect is more significant at high temperatures. Furthermore, the increase in temperature results in a greater tendency of dipoles to be polarized, usually accompanied by a subtle shift of the relaxation maxima towards higher frequencies [ 51 ]. Overall, the composites reinforced with EXP fibers showed lower values of dielectric strength in comparison with composites reinforced with REF fibers (reduction of Δε from 33.6 to 25.9 at 135 °C for composites with raw 50/50 PP/PBT blend).…”

Section: Resultsmentioning

confidence: 99%

Interfacial Polarization in Thermoplastic Basalt Fiber-Reinforced Composites

2020

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The aim of this work was to study the interfacial behavior of basalt-fiber-reinforced thermoplastic blends of polypropylene and poly(butylene terephthalate) (PP/PBT). We examined the effect of two compatibilizers and two basalt fiber (BF) sizings: commercial (REF) and experimental (EXP). Differential scanning calorimetry was used to assess the influence of BFs on the phase structure of obtained composites. Furthermore, dielectric relaxation spectroscopy was used for the first time to non-destructively study the interfacial adhesion within an entire volume of BF-reinforced composites by assessing the α relaxation, DC conductivity, and Maxwell–Wagner–Sillars (MWS) polarization. The fiber–matrix adhesion was further investigated using the Havriliak–Negami model. Using complex plane analysis, the dielectric strength, which is inversely related to the adhesion, was calculated. The composites reinforced with EXP fibers showed significantly lower values of dielectric strength compared to the REF fibers, indicating better adhesion between the reinforcement and blend matrix. Static bending tests also confirmed improved fiber adhesion with EXP fibers, while also suggesting a synergistic effect between compatibilizer and sizing in enhancing interfacial properties. Thus, we conclude that substantially improved adhesion of PP/PBT BF-reinforced composites is the result of mutual interactions of functional groups of blend matrix, mostly from blend compatibilizer, and fiber surface due to sizing.

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Dielectric properties and interfacial adhesion of jute, kenaf and E‐glass fabrics reinforcing epoxy composites

Cited by 36 publications

References 92 publications

Lignocellulosic fiber reinforced composites: Progress, performance, properties, applications, and future perspectives

Lignocellulosic fiber reinforced composites: Progress, performance, properties, applications, and future perspectives

Dielectric and interfacial properties investigation of poly(acrylonitrile‐co‐2,2,2‐trifluoroethyl methacrylate) copolymer/organomodified beidellite clay nanocomposites

Interfacial Polarization in Thermoplastic Basalt Fiber-Reinforced Composites

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