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<p>Biofibers are used to develop ecofriendly products for the automotive and construction industries. These industries are evolving towards using natural fibers (NFs) with good damping properties and particulate-reinforced polymer composites as structural elements. This study investigates the effect of mechanical, morphological, and frequency damping properties of a fish tail palm (FTP) fiber epoxy composites with various chemical treatments. The experimental strategy demanded creating borassus flabellifer male inflorescence biochar (BFMIB) filler from biomass waste and FTP fiber from palm trees to make them more compatible with the epoxy matrix. The epoxy composites reinforced with alkaline treated (ALT) and acetic acid- chemical treated (CT) FTP fibers were prepared using the wet hand lay-up technique, incorporating BFMIB filler at varying concentrations (0–15 wt%). FTPF/BFMIB increases the mechanical properties (MPs) of epoxy composites. 10 wt% of BFMIB and NaOH treated FTPF combination exhibit higher tensile strength (TS). The highest TS of the ALT treated fiber with 10 wt% of BFMIB biochar composite (FTPF20-BFMIB10) is 103&#xa0;MPa, which is 28.44% and 39.8% higher than that of the untreated (UT) and acetic-treated (ACT) FTPF/epoxy composites, respectively. Additionally, the investigation of the vibration behaviour exhibited improved damping capabilities, suggesting the possibility of vibration dampening applications. The first mode of vibration behaviour for all the interleaved FTPF/BFMIB composites had a damped natural frequency and damping ratio in the range of 126–178&#xa0;Hz and 0.0321–0.0712.</p>

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Effect of chemically treated fish tail palm fiber and bio borassus flabellifer male inflorescence biochar particulate loading on the mechanical and damping properties of interleaved polymeric composites

  • 期刊论文

  • 发表日期：

    2025年12月29日

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  • Shankar Loganathan,
  • Praveen Kumar Alagesan,
  • Selvakumar Gurusamy,
  • Rajesh Munusamy

摘要

Biofibers are used to develop ecofriendly products for the automotive and construction industries. These industries are evolving towards using natural fibers (NFs) with good damping properties and particulate-reinforced polymer composites as structural elements. This study investigates the effect of mechanical, morphological, and frequency damping properties of a fish tail palm (FTP) fiber epoxy composites with various chemical treatments. The experimental strategy demanded creating borassus flabellifer male inflorescence biochar (BFMIB) filler from biomass waste and FTP fiber from palm trees to make them more compatible with the epoxy matrix. The epoxy composites reinforced with alkaline treated (ALT) and acetic acid- chemical treated (CT) FTP fibers were prepared using the wet hand lay-up technique, incorporating BFMIB filler at varying concentrations (0–15 wt%). FTPF/BFMIB increases the mechanical properties (MPs) of epoxy composites. 10 wt% of BFMIB and NaOH treated FTPF combination exhibit higher tensile strength (TS). The highest TS of the ALT treated fiber with 10 wt% of BFMIB biochar composite (FTPF20-BFMIB10) is 103 MPa, which is 28.44% and 39.8% higher than that of the untreated (UT) and acetic-treated (ACT) FTPF/epoxy composites, respectively. Additionally, the investigation of the vibration behaviour exhibited improved damping capabilities, suggesting the possibility of vibration dampening applications. The first mode of vibration behaviour for all the interleaved FTPF/BFMIB composites had a damped natural frequency and damping ratio in the range of 126–178 Hz and 0.0321–0.0712.