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<p>The primary objective of the present research is to investigate the optimization of drilling parameters on alkali–silane-treated areca fiber reinforced epoxy composite. The research also focusses on the mechanical, shear, and machinability properties of the composites. Further, the drilling parameters are optimized using Taguchi–grey analysis in order to determine the optimal parameter settings in silane treatment. Overall, the composite specimen AAS1 with alkali–silane treatment (4 w/v. %) exhibited high tensile strength of 146.1&#xa0;MPa, flexural strength of 209&#xa0;MPa, impact strength of 5.4&#xa0;J, ILSS of 33.8&#xa0;MPa, and compression strength of 58&#xa0;MPa due to the uniform dispersion of filler in the composite matrix. In contrast, the alkali–silane (6 w/v. %)-treated composite specimen AAS2 shows lesser kerf width of 6.02 for 6-mm drill bit. Further, these are optimized using Taguchi–grey analysis for further analysis. The SEM analysis offers significant insights toward the microstructural analysis and their morphology. The optimization process that followed identified the silane weight percentage as the single most important factor in enhancing drill quality. The projected superior process variable is A2B1C3, but the optimized process variable is A2B2C3 following the grey relational technique. As a result of the acquired process variable, the drill defect rate improved to 4.54% and the drill dimension deviation decreased to 0.1159&#xa0;mm, leading to an improved GRG value of 3.37%. According to the results of the optimization analysis, the concentration and type of silane are the most important process variables. A higher silane weight resulted in a stronger adhesion. From this study when the composites are subjected for high shear force, the silane surface treatment process is mandate with rich in silane weight %.</p>

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Optimization of drilling parameters for alkali–silane-treated areca fiber–epoxy composites using the Taguchi–grey relational method

  • 期刊论文

  • 发表日期：

    2025年5月8日

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  • K. Poyyathappan,
  • A. Ganesh Kumar,
  • K. Venkatesan,
  • Srinivasan Rajaram

摘要

The primary objective of the present research is to investigate the optimization of drilling parameters on alkali–silane-treated areca fiber reinforced epoxy composite. The research also focusses on the mechanical, shear, and machinability properties of the composites. Further, the drilling parameters are optimized using Taguchi–grey analysis in order to determine the optimal parameter settings in silane treatment. Overall, the composite specimen AAS1 with alkali–silane treatment (4 w/v. %) exhibited high tensile strength of 146.1 MPa, flexural strength of 209 MPa, impact strength of 5.4 J, ILSS of 33.8 MPa, and compression strength of 58 MPa due to the uniform dispersion of filler in the composite matrix. In contrast, the alkali–silane (6 w/v. %)-treated composite specimen AAS2 shows lesser kerf width of 6.02 for 6-mm drill bit. Further, these are optimized using Taguchi–grey analysis for further analysis. The SEM analysis offers significant insights toward the microstructural analysis and their morphology. The optimization process that followed identified the silane weight percentage as the single most important factor in enhancing drill quality. The projected superior process variable is A2B1C3, but the optimized process variable is A2B2C3 following the grey relational technique. As a result of the acquired process variable, the drill defect rate improved to 4.54% and the drill dimension deviation decreased to 0.1159 mm, leading to an improved GRG value of 3.37%. According to the results of the optimization analysis, the concentration and type of silane are the most important process variables. A higher silane weight resulted in a stronger adhesion. From this study when the composites are subjected for high shear force, the silane surface treatment process is mandate with rich in silane weight %.