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All Journal International Journal on Advanced Technology, Engineering, and Information System (IJATEIS) Journal Pesona Indonesia
Amaechi, Okafor Anthony
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Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Electrical & Electronics Engineering Industrial & Manufacturing Engineering

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Effect of Alkaline Treatment on Tensile Properties of HybridComposite of Arachis hypogaea and Pentaclethra macrophyllaAgro-Waste Fibres Ekene, Ilechukwu Anthonia; Okechukwu, Chikelu Peter; Amaechi, Okafor Anthony; Ezechi, Dara Jude; Princewill, Odeh Calistus
Jurnal Pesona Indonesia Vol. 2 No. 1 (2025): JPI 2025
Publisher : Institut Teknologi Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.71436/jpi.v2i1.25

Abstract

Recently, there has been a growing interest in using natural fibres for developing sustainable composites, mainly because synthetic fibres can harm the environment. However, one of the challenges is that these natural fibres often don’t bond well with the matrices, which limits their use. This is why research aimed at improving the properties of these composites is so important, and one effective method is alkaline treatment. In this study, agro-waste fibres from the fruit husks of Arachis hypogaea and Pentaclethra macrophylla were processed by treating them with NaOH solutions at concentrations of 2%, 4%, 6%, 8%, and 10% by weight. The tensile properties of the hybrid composites made from these fibres were then assessed using analysis of variance and regression analysis in Minitab software. The results showed that the composite made with the 2% NaOH-treated fibres had the highest tensile strength and elastic modulus. Interestingly, beyond the 2% NaOH treatment, both tensile strength and elastic modulus started to decline. Overall, we observed increases of 3% in tensile strength and 6% in elastic modulus. Additionally, the ANOVA and regression analysis yielded a P-value of ≤0.05 in both cases, indicating that the treatment significantly impacts the hybrid composite's tensile strength and elastic modulus. Therefore, our findings suggest that treating fibres with NaOH is a promising way to enhance the mechanical properties of hybrid fibre composites.
Effect of Mercerisation Soaking Time and Concentration on Tensile Properties of Pentaclethra macrophylla Fibre Reinforced Composite for Automotive Application Okechukwu, Chikelu Peter; Ekene, Ilechukwu Anthonia; Chimezie, Anyaora Sunday; Amaechi, Okafor Anthony; Ndubuisi, Okoye Chibuzor
INTERNATIONAL JOURNAL ON ADVANCED TECHNOLOGY, ENGINEERING, AND INFORMATION SYSTEM Vol. 4 No. 2 (2025): MAY
Publisher : Transpublika Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55047/ijateis.v4i2.1735

Abstract

Lately, there has been a growing global awareness about the negative impact of synthetic fibres and the need for replacement with eco-friendly, plant-based natural fibres. However, the hydrophilic nature of these natural fibres can create compatibility issues with various matrices, which limits their use. This has sparked an increased research interest in finding an effective mercerization process to modify the surface of these plant-based fibres, ultimately enhancing their mechanical properties. In this study, fruit fibres from the Pentaclethra macrophylla plant was processed, experimented with NaOH soaking times of 1 hour, 3 hours, and 5 hours, along with treatment concentrations of 2%, 5%, and 8% by weight. The tensile properties of the composite made from these processed fibres were examined, and statistical analysis using one-way analysis of variance (ANOVA) and regression in Minitab software was conducted. The results showed a 21% decrease in tensile strength and a 32% increase in elastic modulus as the soaking time increased from 1 hour to 5 hours. Additionally, increasing the NaOH treatment concentration from 2% to 8% led to enhancements in both tensile strength and elastic modulus. This study shows that the tensile properties of the fiber composite are greatly impacted by both the soaking time and NaOH concentration. Therefore, optimising the parameters of the mercerisation process can enhance these properties, making the Pentaclethra M. fibre-reinforced composite a viable option for automotive applications.
Co-Authors Chimezie, Anyaora Sunday Ekene, Ilechukwu Anthonia Ezechi, Dara Jude Ndubuisi, Okoye Chibuzor Okechukwu, Chikelu Peter Princewill, Odeh Calistus