Investigation of the Impact of Abrasive Water Jet Machining Parameters on Delamination of Glass Fiber Reinforced Polymer Composites during Hole Drilling Process.

abohaggie, Mohamed; Elsabagh, Ahmed; Elmesalamy, Ahmed S.; samy, Y.

doi:10.1088/1757-899X/973/1/amme.2025.449055

	Investigation of the Impact of Abrasive Water Jet Machining Parameters on Delamination of Glass Fiber Reinforced Polymer Composites during Hole Drilling Process.
The International Conference on Applied Mechanics and Mechanical Engineering
Volume 22, Issue 22, October 2025, Page 1-10 PDF (573.13 K)
Document Type: Original Article
DOI: 10.1088/1757-899X/973/1/amme.2025.449055
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Authors
Mohamed abohaggie ¹; Ahmed Elsabagh²; Ahmed S. Elmesalamy¹; Y. samy¹
¹Military Technical College, Cairo, Egypt.
²Ain Shams University, Cairo, Egypt..
Abstract
This study examines the effects of abrasive water jet (AWJ) drilling parameters on delamination, using a fractional factorial design (FFD) to identify significant factors and their interactions. Key process parameters, including water jet pressure, abrasive mass flow rate, traverse speed, standoff distance, laminate stacking sequence, and material thickness, were investigated. The results reveal that abrasive mass flow rate and material thickness are the most critical factors influencing delamination. Increased abrasive mass flow rate reduces delamination due to enhanced cutting efficiency, while greater material thickness exacerbates it due to higher stress concentrations. Additionally, a significant interaction between water jet pressure and abrasive mass flow rate was identified, highlighting the combined influence of these parameters. These findings underscore the potential of AWJ drilling as a precise machining technique and provide actionable insights for minimizing delamination in GFRP composite components.


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