Characterization of Roselle fiber composites for low load bearing structures

Kazi, Atik Mubarak; Devika, D.; Waddar, Sunil; Ramasastry, D.V.A.

doi:10.1002/pc.26004

Cited by 13 publications

(4 citation statements)

References 31 publications

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“…Radzi et al [ 13 ] recommended roselle‐sugar palm fiber composites for aviation, automobile and construction industries. Kazi et al [ 15 ] explored roselle fabric composites as a substitute material for automobile interiors.…”

Section: Introductionmentioning

confidence: 99%

Characterization of interwoven roselle/sisal fiber reinforced epoxy composites

2021

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The present work deals with the characterization of interwoven roselle/sisal fiber fabric reinforced epoxy composites. All the composites are manufactured using the hand layup technique, and the physical (density), mechanical (tensile, flexural, and impact) and dynamic mechanical characteristics are determined as per ASTM standards. The findings reveal that roselle fabric composite has superior mechanical properties than interwoven roselle/sisal fabric composites. The tensile and impact strengths of the sisal fabric composite are lower than those of the roselle fabric composite. However, the roselle fabric composite and sisal fabric composite have similar flexural properties. The sisal fabric composite yields the highest peak value of the loss factor. The loss factor peak height for the roselle/sisal fabric composites increases with increased sisal fiber content. Morphological analysis revealed proof of yarn pullout and matrix damage near the yarn, indicating inadequate stress transfer between the fabric and epoxy. The property map is presented in comparison with available literature.

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Section: Introductionmentioning

confidence: 99%

Characterization of interwoven roselle/sisal fiber reinforced epoxy composites

2021

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“…The possible cause for this is the improved mobility of epoxy polymer chains at low temperatures (60°C–80°C) due to poor bonding between fibre and matrix. 13 Table 4 shows glass transition temperature value based on loss modulus for Hibiscus sabdariffa fibre composites. Similar to the storage modulus result, composite with 45° fibre orientation possesses more loss modulus value than 0° and 90° fibre oriented composite.…”

Section: Resultsmentioning

confidence: 99%

“…For this, they used Hibiscus sabdariffa fibres in particle and chopped form. Kazi et al 13 investigated characteristics of woven Hibiscus sabdariffa fibre epoxy composites and suggested these materials for automotive interiors, door panels, dashboards, etc. Chavali and Taru 14 studied the tensile and wear behaviour of unidirectional banana fibre epoxy composites.…”

Section: Introductionmentioning

confidence: 99%

Characterization of continuous Hibiscus sabdariffa fibre reinforced epoxy composites

Kazi

Ramasastry

2022

Polymers and Polymer Composites

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The influence of fibre orientation on physical, mechanical and dynamic mechanical properties of Hibiscus sabdariffa fibre composites has been studied. The composites with longitudinal (0°), transverse (90°) and inclined (45°) fibre orientation were prepared using the hand layup technique. ASTM standards were used for characterization of continuous Hibiscus sabdariffa fibre composites. The composite with longitudinally placed fibres yields improved mechanical characteristics. The addition of longitudinal (0°) oriented continuous Hibiscus sabdariffa fibres to the epoxy enhances tensile strength by 460%, flexural strength by 160% and impact strength by 603% compared to neat epoxy. The longitudinal (0°) fibre oriented composite offers higher resistance to water absorption and thickness swelling compared to other types of composites. All continuous Hibiscus sabdariffa fibre epoxy composites possess an improved storage modulus than the neat epoxy resin. The glass transition temperature of continuous Hibiscus sabdariffa fibre composites is 8%–31% lower than that of neat epoxy. Scanning electron microscopy (SEM) images confirm the existence of voids in the matrix, fibre pullout and crack propagation near the fibre bundle, which indicates the stress transfer between fibre and matrix is non-uniform.

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“…The plant fibers such as banana [5,6], jute [7,8], kenaf [9,10], abaca [11,12], pineapple [13], sisal [14,15], agave [16], flax [17], hemp [18], cotton [19], and roselle [20] are the traditionally used natural fibers for making the composites. Various thermoplastic [21,22] and thermosetting [23,24] resins are used as matrix material.…”

Section: Introductionmentioning

confidence: 99%

Nontraditional Natural Filler-Based Biocomposites for Sustainable Structures

Kumar

Naik

Kaup

et al. 2023

Advances in Polymer Technology

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In recent years, there has been a growing awareness and demand for global sustainability, as well as a mandate for the use of renewable and environmentally sustainable materials and processes. Due to which, massive efforts are being made to develop and nurture the next generation of composite materials that are energy efficient, environmentally friendly, and biodegradable. Light weight, lower coefficient of thermal expansion, and comparable tensile strength exhibited by natural fibers render them the choice for use in several industrial products and applications over the last decade. Natural fibers as the reinforcing entity are pitted against their synthetic variants primarily because of the superior aspects like biodegradability and excellent strength-to-weight ratio. This article presents the review on various nonconventional natural fibers such as tamarind seed and shell, Luffa cylindrica, groundnut shell, coconut coir, papaya bast, okra, and Ashoka tree seed. The flow of the chapter includes the introduction, extraction methodologies, and fabrication, and investigations of mechanical properties, applications, and sustainability are dealt in detail for nontraditional natural fibers. The okra fibers possess greater tensile strength of up to 262.8 MPa in comparison with other fibers, while the Ashoka tree seed fibers are known to possess a maximum flexural strength of up to 125 MPa. Further, these fibers are used as reinforcements in potential applications in interiors and automobile and aircraft panels and wood-based particle board composites owing to the increase in tensile and flexural strengths of composites.

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Characterization of Roselle fiber composites for low load bearing structures

Cited by 13 publications

References 31 publications

Characterization of interwoven roselle/sisal fiber reinforced epoxy composites

Characterization of interwoven roselle/sisal fiber reinforced epoxy composites

Characterization of continuous Hibiscus sabdariffa fibre reinforced epoxy composites

Nontraditional Natural Filler-Based Biocomposites for Sustainable Structures

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