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Sustainable and Light Weight Cellulose-Based Hybrid Reinforced Epoxy Composites for Automotive Application

Isiaka Oluwole Oladele
Department of Metallurgical and Materials Engineering, Federal University of Technology, Akure, Ondo, State, Nigeria
Samuel Olumide Falana
Department of Metallurgical and Materials Engineering, Federal University of Technology, Akure, Ondo, State, Nigeria
Nnabuike Linus Onuha
Faculty of Materials and Chemical Engineering, University of Miskolc, Miskolc, Egyetem ut 1, 3515 Hungary
Ebube Precious Nnodu
Department of Metallurgical and Materials Engineering, Federal University of Technology, Akure, Ondo, State, Nigeria
Isaiah Olaoluwa Olumuyiwa
Department of Metallurgical and Materials Engineering, Federal University of Technology, Akure, Ondo, State, Nigeria
Samson Oluwagbenga Adelani
Materials Science and Engineering Program, University of Colorado Boulder, 80303, Colorado, USA

Published 2024-06-09

abstract views: 91 // Full text article (PDF): 30


Keywords

  • Plant fibers,
  • Sisal fiber,
  • Dombeya fiber,
  • Paper particles,
  • Hybrid composites,
  • Sustainable,
  • Lightweight
  • ...More
    Less

How to Cite

Oluwole Oladele, I., Olumide Falana, S., Linus Onuha, N., Precious Nnodu, E., Olaoluwa Olumuyiwa, I., & Oluwagbenga Adelani, S. (2024). Sustainable and Light Weight Cellulose-Based Hybrid Reinforced Epoxy Composites for Automotive Application. Advanced Technologies and Materials. https://doi.org/10.24867/ATM-2024-2-001

Abstract

This study focuses on the development and investigation of sustainable and lightweight cellulosebased hybrid reinforced epoxy composites. The research contributes to the ongoing efforts to create durable and biodegradable composite materials for automotive applications. The hybrid composites were fabricated using a hand layup approach, combining sisal/dombeya fiber with paper particles as reinforcements in an epoxy matrix. Prior to incorporation, the fibers underwent mercerization to reduce hydrophilicity. Hybrid composites with 3-15 wt% reinforcements were produced. Mechanical properties, including tensile, flexural, impact, and hardness, were evaluated, and scanning electron microscopy (SEM) was used to examine the surface morphology of fractured composites. Wear resistance, density, and water absorption were also studied. Results demonstrated significant improvements in all properties compared to the unreinforced epoxy matrix. Notably, composites with 9-12 wt% sisal fiber-paper particles (SF-PP) exhibited optimal mechanical properties. Flexural modulus, hardness, tensile and impact strengths were 721 MPa, 67 HS, 32.94 MPa and 46.24 kJ/m2, respectively from 9 wt.% while flexural strength and tensile modulus were of 57.30 MPa and 438.21 MPa, respectively from 12 wt.%. On the other hand, the composite reinforced with 12 wt% dombeya fiber-paper particles (DF-PP) demonstrated superior wear resistance. DF-PP-based composites exhibited low moisture absorptivity and density compared to SF-PP. Conclusively, the study recommends epoxy-based composites reinforced with hybrid sisal fiber and paper particles for automotive components like bumpers and dashboards, while composites reinforced with hybrid dombeya fiber and paper particles are suitable for battery enclosures and wheel covers.

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