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<p>This study examines the influence of Abrasive Water Jet Machining (AWJM) parameters on the surface integrity of graphene/silica dioxide reinforced epoxy glass fiber polymer composites. Taguchi approach is adopted for experimental planning and to evaluate the effects of process variables. Analysis of variance is used to identify the most significant contributors. Results indicate that filler content and abrasive flow rate are dominant factors affecting machining performance, while transverse feed shows minimal influence on delamination. To achieve unique machining parameter hybrid optimization technique combining CRITIC (Criteria Importance Through Intercriteria Correlation) and WASPAS (Weighted Aggregated Sum Product Assessment) is utilized. The integrated approach suggested that optimal conditions with a surface roughness of 2.52&#xa0;µm, kerf taper of 0.52°, and delamination factor of 0.92, demonstrating the effectiveness of precision AWJM for advanced composite materials.</p> Graphical abstract <p></p>

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High precision abrasive water jet machining of graphene/SiO₂ polymer composites: experimental investigation, optimization and surface integrity assessment

  • 期刊论文

  • 发表日期：

    2026年4月12日

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  • K. Murugesan,
  • P. Suresh,
  • M. Prabu,
  • V. Kavimani

摘要

This study examines the influence of Abrasive Water Jet Machining (AWJM) parameters on the surface integrity of graphene/silica dioxide reinforced epoxy glass fiber polymer composites. Taguchi approach is adopted for experimental planning and to evaluate the effects of process variables. Analysis of variance is used to identify the most significant contributors. Results indicate that filler content and abrasive flow rate are dominant factors affecting machining performance, while transverse feed shows minimal influence on delamination. To achieve unique machining parameter hybrid optimization technique combining CRITIC (Criteria Importance Through Intercriteria Correlation) and WASPAS (Weighted Aggregated Sum Product Assessment) is utilized. The integrated approach suggested that optimal conditions with a surface roughness of 2.52 µm, kerf taper of 0.52°, and delamination factor of 0.92, demonstrating the effectiveness of precision AWJM for advanced composite materials.

Graphical abstract