What question did this study set out to answer?

To examine the impact of minimum quantity lubrication combined with ultrasonic vibration on titanium alloy machining.

Investigation of surface integrity in ultrasonic vibration-assisted minimum quantity lubrication milling of Ti-6Al-4V thin-walled parts

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Investigations show that minimum quantity lubrication reduces surface roughness and enhances machinability of Ti-6Al-4V parts.

To examine the impact of minimum quantity lubrication combined with ultrasonic vibration on titanium alloy machining.
Applied ultrasonic vibration-assisted milling (UVAM) on Ti-6Al-4V thin-walled parts with minimum quantity lubrication (MQL).
Measured surface roughness, residual compressive stress, and machining-induced deformation.
Compared results of MQL-UVAM against standard UVAM.
Surface roughness reduced by 20.98% in MQL-UVAM compared to UVAM.
Residual compressive stress increased by 9.49% in MQL-UVAM.
Machining-induced deformation decreased by 34.94% in MQL-UVAM.

Zhang et al. (2026) studied this question.

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