<p>Owing to its affordability and superior mechanical properties, natural fiber-reinforced composite (NFRC) is rapidly being utilized across several industrial applications, such as packaging, construction materials, and automotive sectors. This study examines the influence of Boron carbide (B<sub>4</sub>C) and Titanium oxide (TiO<sub>2</sub>) filler content on the mechanical and wear performance of Canna indica/curaua fiber reinforced hybrid composites. In comparison to TiO<sub>2</sub>, B<sub>4</sub>C filler was more efficacious in enhancing the tensile strength of composites. The tensile strength of the unfilled composite was enhanced by 8.63% and 13.15% with the incorporation of 2% B<sub>4</sub>C and 3% TiO<sub>2</sub>, respectively. Increasing the load reduced the coefficient of friction (COF) but elevated the wear rate and mass loss for both neat and hybrid composites, as indicated by wear studies conducted under diverse conditions. Composites infused with B<sub>4</sub>C exhibited the lowest coefficients of friction (COF). Composites infused with TiO<sub>2</sub> and B<sub>4</sub>C exhibited less matrix deformation, pitting, and porosity compared to unmodified composites. The incorporation of TiO<sub>2</sub> and B<sub>4</sub>C fillers improved impact resistance. Hybrid composites containing 3wt% B<sub>4</sub>C exhibited an improvement in impact strength from 5.5 to 10.7&#xa0;J/m². The ANN model effectively estimated the COF and wear rate values, as the experimental results closely aligned with the predicted values.</p>

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Influence of B₄C and TiO₂ fillers on mechanical and tribological performance of Canna indica/Curaua fiber reinforced hybrid composites with ANN prediction

  • Ennamuri Subbarao,
  • Deepak Sharma,
  • Pooja Singh,
  • Raj Kumar Gupta,
  • B. Gayathri,
  • S. Mayakannan

摘要

Owing to its affordability and superior mechanical properties, natural fiber-reinforced composite (NFRC) is rapidly being utilized across several industrial applications, such as packaging, construction materials, and automotive sectors. This study examines the influence of Boron carbide (B4C) and Titanium oxide (TiO2) filler content on the mechanical and wear performance of Canna indica/curaua fiber reinforced hybrid composites. In comparison to TiO2, B4C filler was more efficacious in enhancing the tensile strength of composites. The tensile strength of the unfilled composite was enhanced by 8.63% and 13.15% with the incorporation of 2% B4C and 3% TiO2, respectively. Increasing the load reduced the coefficient of friction (COF) but elevated the wear rate and mass loss for both neat and hybrid composites, as indicated by wear studies conducted under diverse conditions. Composites infused with B4C exhibited the lowest coefficients of friction (COF). Composites infused with TiO2 and B4C exhibited less matrix deformation, pitting, and porosity compared to unmodified composites. The incorporation of TiO2 and B4C fillers improved impact resistance. Hybrid composites containing 3wt% B4C exhibited an improvement in impact strength from 5.5 to 10.7 J/m². The ANN model effectively estimated the COF and wear rate values, as the experimental results closely aligned with the predicted values.