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<p>This study investigates the effects of fiber orientation and volume fraction on the mechanical properties of hybrid false banana fiber/E-glass fiber reinforced general-purpose resin composites for automotive body panel applications. False banana fibers were manually extracted, alkali-treated with 7% NaOH for 24&#xa0;h, and hybridized with short random E-glass fibers at total fiber volume fractions of 40% (ratios: 30/10, 20/20, 10/30). Composites were fabricated via hand lay-up using aluminum foil-lined molds and tested per ASTM standards for tensile (D3039), compressive (D3410), and flexural (D790) strengths. Results revealed that tensile, compressive, and flexural strength increased with higher glass fiber content and in the 0 direction of false banana fiber orientation. The maximum tensile, compressive, and flexural strengths obtained at the fiber orientation of Gf, 0<sup>0</sup>FBf, Gf, 0<sup>0</sup>FBf, 0<sup>0</sup>FBf, Gf are 212&#xa0;MPa, 96&#xa0;MPa, and 122.8&#xa0;MPa, respectively, whereas these values are found to be 167&#xa0;MPa, 48&#xa0;MPa, and 107&#xa0;MPa at Fiber volume fractions of FBf/Gf 10/30. Fiber orientation significantly affected load distribution, with longitudinal alignment improving tensile and bending strength properties by 12–21%. The data likely shows that the composites reinforced with false banana fiber have relatively controlled water absorption, which could indicate good interfacial bonding between the fiber and the matrix. Findings demonstrate that strategic hybridization optimizes mechanical performance while promoting eco-friendly, cost-effective alternatives to fully synthetic composites in lightweight automotive structures.</p>

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Effects of fiber orientation and volume fraction on the mechanical properties of false banana with E-glass fiber reinforced general-purpose resin composite for automotive body panel application

  • 期刊论文

  • 发表日期：

    2026年2月7日

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  • Leul Fenta Demisie,
  • Belete Ambachew Mekonen,
  • Amelmal Gelaye Berie,
  • Dasash Dejen Lakew

摘要

This study investigates the effects of fiber orientation and volume fraction on the mechanical properties of hybrid false banana fiber/E-glass fiber reinforced general-purpose resin composites for automotive body panel applications. False banana fibers were manually extracted, alkali-treated with 7% NaOH for 24 h, and hybridized with short random E-glass fibers at total fiber volume fractions of 40% (ratios: 30/10, 20/20, 10/30). Composites were fabricated via hand lay-up using aluminum foil-lined molds and tested per ASTM standards for tensile (D3039), compressive (D3410), and flexural (D790) strengths. Results revealed that tensile, compressive, and flexural strength increased with higher glass fiber content and in the 0 direction of false banana fiber orientation. The maximum tensile, compressive, and flexural strengths obtained at the fiber orientation of Gf, 00FBf, Gf, 00FBf, 00FBf, Gf are 212 MPa, 96 MPa, and 122.8 MPa, respectively, whereas these values are found to be 167 MPa, 48 MPa, and 107 MPa at Fiber volume fractions of FBf/Gf 10/30. Fiber orientation significantly affected load distribution, with longitudinal alignment improving tensile and bending strength properties by 12–21%. The data likely shows that the composites reinforced with false banana fiber have relatively controlled water absorption, which could indicate good interfacial bonding between the fiber and the matrix. Findings demonstrate that strategic hybridization optimizes mechanical performance while promoting eco-friendly, cost-effective alternatives to fully synthetic composites in lightweight automotive structures.