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Investigate the impact of different drilling parameters on the quality of CF/PEEK composites to optimize surface and structural integrity.

Experimental investigation and optimization of abrasive water jet drilling parameters for CF/PEEK thermoplastic composites

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Investigate the impact of different drilling parameters on the quality of CF/PEEK composites to optimize surface and structural integrity.
Employ Taguchi L18 orthogonal array for experimental design.
Analyze the effects of traverse rate, water-jet pressure, and abrasive mass flow rate.
Integrate grey relational analysis with Taguchi methodology for multi-response optimization.
Optimum conditions to reduce defects: 1250 mm/min traverse rate, 2000 bar pressure, 350 g/min abrasive flow.
Traverse rate significantly affects hole quality, accounting for approximately 60% of variability (ANOVA).
Lower traverse rates induce interlaminar delamination, while higher rates lead to fiber fracture and erosion.

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Experimental investigation optimizes drilling parameters in CF/PEEK laminates, suggesting improved tooling techniques.

Yakut et al. (2026) studied this question.

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