Mechanical Performance of Epoxy Composite Reinforced with Wood Dust and Crumb Rubber Waste

Authors

  • Al Ichlas Imran Universitas Halu Oleo
  • Januar Parlaungan Siregar Universiti Malaysia Pahang Al-Sultan Abdullah
  • Tezara Cionita INTI International University
  • Deni Fajar Fitriyana Universitas Negeri Semarang
  • Samsudin Anis Universitas Negeri Semarang
  • Rozanna Dewi Universitas Malikussaleh
  • Thomas Junaedi Universiti Malaysia Pahang Al-Sultan Abdullah
  • Etanto Heiliano Wijayanto Universiti Malaysia Pahang Al-Sultan Abdullah
  • Wisnu Prayogo Chung Yuan Christian University

DOI:

https://doi.org/10.26877/kkjzs792

Keywords:

polymer composites, waste fillers, mechanical properties

Abstract

The incorporation of wood dust and crumb rubber waste as filler in polymer matrix composite still requires in-depth evaluation of mechanical properties because they have different characteristics. This study evaluates the tensile, flexural, and hardness properties of epoxy composites reinforced with various fractions of wood dust and crumb rubber (5, 10, and 15%). The results showed that the composite with 5% crumb rubber produced the highest tensile strength of 15.52 MPa (CR5), while the highest flexural strength was 30.46 MPa (CR10), and the highest hardness was 75.9 HRC (CR15), indicating superior performance for CR fillers. The observations of the fracture surface showed that increasing the fraction of wood dust contributed to lowering the mechanical performance due to the relatively large distribution of voids and agglomeration. This finding confirms the importance of filler type and fraction selection on composite performance. Future research is recommended to explore filler surface modification and hybrid combinations to improve dispersion and bonding between phases in composites.

Author Biographies

  • Al Ichlas Imran, Universitas Halu Oleo

    Department of Mechanical Engineering, Faculty of Engineering, Universitas Halu Oleo, Kendari, 93232, Indonesia

  • Januar Parlaungan Siregar, Universiti Malaysia Pahang Al-Sultan Abdullah

    Faculty of Mechanical and Automotive Engineering Technology, Universiti Malaysia Pahang Al-Sultan Abdullah, Pekan 26600, Pahang, Malaysia

    Centre for Automotive Engineering, Universiti Malaysia Pahang Al-Sultan Abdullah (UMPSA), 26600 Pekan, Pahang, Malaysia

  • Tezara Cionita, INTI International University

    Faculty of Engineering, Built Environment & Information Technology, SEGi University, 47810, Selangor, Malaysia

  • Deni Fajar Fitriyana, Universitas Negeri Semarang

    Department of Mechanical Engineering, Faculty of Engineering, Universitas Negeri Semarang, 50229 Semarang, Indonesia

  • Samsudin Anis, Universitas Negeri Semarang

    Department of Mechanical Engineering, Faculty of Engineering, Universitas Negeri Semarang, 50229 Semarang, Indonesia

  • Rozanna Dewi, Universitas Malikussaleh

    Faculty of Engineering, Universitas Malikussaleh, 24353 Lhokseumawe, Aceh, Indonesia

  • Thomas Junaedi, Universiti Malaysia Pahang Al-Sultan Abdullah

    Faculty of Mechanical and Automotive Engineering Technology, Universiti Malaysia Pahang Al-Sultan Abdullah, Pekan 26600, Pahang, Malaysia

    Department of Mechanical Engineering, Faculty of Engineering, Universitas Sains Indonesia, 11650 Bekasi, Indonesia

  • Etanto Heiliano Wijayanto, Universiti Malaysia Pahang Al-Sultan Abdullah

    Faculty of Mechanical and Automotive Engineering Technology, Universiti Malaysia Pahang Al-Sultan Abdullah, Pekan 26600, Pahang, Malaysia

    Department of Mechanical Engineering, Faculty of Engineering, Universitas Medan Area, 20223 Medan, Indonesia

  • Wisnu Prayogo, Chung Yuan Christian University

    Department of Environmental Engineering, Chung Yuan Christian University, Taoyuan, 320314, Taiwan (R.O.C)

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Published

2025-08-28

Issue

Vol. 7 No. 4 (2025): August-October

Section

Articles