What question did this study set out to answer?

The aim is to optimize the process parameters in abrasive water jet machining of AA7175-ZrB2 composites to enhance machinability.

July 23, 2026MicroOpen Access

Multi-Response Optimisation of Process Parameter in Abrasive Water Jet Machining of Machining AA7175/ZrB2 Using Central Composite Design

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Randomized trial examines machining efficiency and quality in AA7175-ZrB2 composites, suggesting optimal parameter settings.

The aim is to optimize the process parameters in abrasive water jet machining of AA7175-ZrB2 composites to enhance machinability.
Investigated the effects of jet pressure, traverse speed, standoff distance, and abrasive flow rate.
Utilized response surface methodology with central composite design to analyze the interaction of parameters.
Conducted analysis of variance to assess the impact of each parameter on surface roughness, kerf taper angle, and material removal rate.
Jet pressure had the strongest influence on material removal rate (MRR), enhancing efficiency due to increased kinetic energy.
Higher traverse speeds resulted in increased surface roughness and kerf taper angle, correlating with reduced interaction time between the jet and material.
Regression models showed strong predictive performance with R² values exceeding 0.95, indicating effective parameter representation.

Benedict et al. (2026) studied this question.

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