Investigation of Dynamic Mechanical Behavior of Nanosilica Filled Carbon-Kevlar-Epoxy Polymer Hybrid Nanocomposite

Abstract

Reinforcement of epoxy-carbon-Kevlar fabric composite with the addition of nanosilica has resulted in the evolution of new hybrid polymer nanocomposite, which results in the improved mechanical properties of polymer hybrid nanocomposite. The current investigation concentrated on the dynamic mechanical behavior of unfilled and nanosilica filled carbon-Kevlar-epoxy polymer composite with five and four layers of carbon and Kevlar woven fibers respectively with epoxy matrix (5C4K). Nanosilica was mixed into the epoxy at different weight percentages (wt.%) of 0, 0.5, 1.0, and 1.5. The laminates were fabricated using the vacuum-assisted resin infusion moulding (VARIM) technique. The dynamic mechanical properties, storage modulus, loss modulus, damping factor (tan delta), and glass transition temperature was investigated using a dynamic-mechanical analyzer at temperature ranging from 25 to 165 degrees Celsius. The test specimens were prepared in accordance with the ASTM D4065 standard to investigate dynamic mechanical analysis (DMA) of the hybrid polymer nanocomposite. The results of the tested specimens for dynamic mechanical behaviors of carbon-Kevlar-epoxy hybrid nanocomposites are very much influenced by the presence of nanosilica. The storage modulus, loss modulus for nanosilica added hybrid polymer composites were more than the unfilled ones and the damping factor (tan delta) was observed more in an unfilled composite.

Improved Mechanical Properties of Basalt and Glass Fibre Reinforced Polymer Composite by Incorporating Nano Silica

“…In synthesis, the mechanical property data for nano silica-glass Fiber-Reinforced Polymer Composite (NS-GFRPC) retraces the trends evident in prior instances. The compressive strength and modulus variances tied to nano silica content remain consistent, while strain at fracture escalates until a threshold and diminishes beyond [23], [28]. These patterns underscore the pronounced influence of nano silica on composite performance and the indispensability of refined composite formulations in attaining the desired mechanical attributes [17].…”

“…The initial summit from 0 wt% to 1wt% nano silica harmonises with prior findings, while the ascent tapers fluctuate at higher nano silica proportions[18].In synthesis, the mechanical property data for nano silica-glass Fiber-Reinforced Polymer Composite (NS-GFRPC) retraces the trends evident in prior instances. The compressive strength and modulus variances tied to nano silica content remain consistent, while strain at fracture escalates until a threshold and diminishes beyond[23],[28]. These patterns underscore the…”

“…There is an optimal nano silica percentage that yields the highest impact strength for each composite type. For NS-BFRPC, the optimal percentage might be around 1 wt%, and for NS-GFRPC, it could be around 1 wt% to 3 wt% [23]- [24].…”

Green nanosilica and highly efficient removal of methylene blue

“…Currently, nanosilica is used in various applications, especially in cement [20,21] and polymer industries [22,23]. Furthermore, nanosilica from SCBA can be utilised to absorb methylene blue (MB), which is a cationic thiazine dye that is harmful to human and environment [24], and to remove heavy metals [25] which are commonly found in textile industry effluents.…”