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September 15, 2026Transport engineering

Comparative Analysis of Power Parameters and Surface Quality When Cutting Coarse-Grained and Ultra-Fine-Grained Titanium Alloys

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Authors

LKLouisa KonogorovaMPMihail PesinВМВладимир Макаров

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Overview

Experimental study reveals reduced cutting force and surface roughness in ultrafine-grained VT6 titanium milling, indicating potential for faster manufacturing of aerospace components.

Key Points

  • To establish the influence of milling parameters—cutting speed, feed, and depth—on cutting forces and surface roughness in ultrafine-grained versus coarse-grained VT6 titanium alloy to maximize machining productivity without degrading material stability.
  • Conducted a comparative milling machinability analysis of titanium alloy VT6 in a coarse-grained (CG) state versus an ultrafine-grained (UFG) state.
  • Measured the cutting force component (Pz) and surface roughness parameter (Ra) across varying cutting speeds, feeds, and depths.
  • Machining UFG VT6 reduced surface roughness (Ra) from 2.65 μm to 0.46 μm under increased cutting speeds and feeds compared to identical milling conditions for CG VT6.
  • Identified a reduction in cutting force component Pz attributed to earlier shear formation and severe deformation localization within narrow shear zones.
  • Determined rational milling parameters that enabled a 7.6-fold increase in cutter minute feed while limiting surface deformation depth to 1 μm or less.

Cite This Study

Konogorova et al. (2026) studied this question.

synapsesocial.com/papers/6aa94e6a9013453be30a261ahttps://doi.org/10.30987/2782-5957-2026-9-4-14
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