What does this research mean for the field?

In abrasive water jet machining of Ti-6Al-4V alloy, an optimal balance of geometrical accuracy, surface finish, and production rate is achieved at specific parameters (45 kPsi pressure, 300g/min flow rate, 75 mm/min speed, 2 mm standoff), and the kerf taper angle is highly sensitive and non-uniformly proportional to penetration depth. Novelty: ClaimNovelty.NOVEL_FINDING. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To optimize abrasive water jet machining parameters for Ti-6Al-4V alloy to minimize kerf taper angle, enhance surface integrity, and maximize cutting rate.

August 30, 2026Journal of Advanced Manufacturing Systems

Taper formation mechanism and Surface integrity assessment in AWJM of Ti-6Al-4V alloy

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To optimize abrasive water jet machining parameters for Ti-6Al-4V alloy to minimize kerf taper angle, enhance surface integrity, and maximize cutting rate.
Applied a Taguchi L25 orthogonal array to evaluate water pressure, stand-off distance, abrasive flow rate, and traverse speed.
Employed the Complex Proportion Assessment (COPRAS) multi-criteria decision-making method alongside response contour plots to balance machining rate, kerf taper, and surface finish.
Characterized kerf taper formation and surface integrity deviations using scanning electron microscopy (SEM) and digital microscopy.
COPRAS optimization established balanced machining conditions at 45 kPsi water pressure, 300 g/min abrasive flow rate, 75 mm/min traverse speed, and 2 mm standoff distance.
Kerf taper angle exhibited the highest parameter sensitivity and experimental variation, whereas surface roughness showed moderate deviation and machining rate showed the least deviation.
Kerf taper measurements demonstrated that taper angle correlates directly with depth of penetration and varies non-uniformly along the cut depth.

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Implication

Experimental investigation reveals optimal abrasive water jet parameters for Ti-6Al-4V alloy, indicating that kerf taper varies non-uniformly across penetration depth.

Cite This Study

Chaturvedi et al. (2026) studied this question.

synapsesocial.com/papers/6a93f1396c1a8fb52e79e004 https://doi.org/10.1142/s021968672850031x

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Implication

Experimental investigation reveals optimal abrasive water jet parameters for Ti-6Al-4V alloy, indicating that kerf taper varies non-uniformly across penetration depth.

Taper formation mechanism and Surface integrity assessment in AWJM of Ti-6Al-4V alloy

Key Points

Discussion

Implication

Cite This Study

Taper formation mechanism and Surface integrity assessment in AWJM of Ti-6Al-4V alloy

Key Points

Discussion

Implication

Cite This Study

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