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<p>Electroplastic effect of electric pulse has been used in the metal plastic deformation process and has some advantages such as low flow stress and high-quality surfaces, which provides some reference for electric pulse-assisted cutting titanium alloy, but the influence of athermal effect of the electroplastic effect on the machinability of titanium alloy is rarely seen. In this paper, the influence of athermal effect on the machinability of the TC11 titanium alloy was studied under the condition of that the workpiece surface temperature kept 25&#xa0;°C. Compared with conventional cutting, cutting temperature, the frictional coefficient, chip segmentation degree, workpiece surface roughness and workpiece surface microhardness during athermal cutting were reduced by 10.17, 20.58, 41.13, 26.78, 12.25%, respectively. Workpiece surface defects were greatly eliminated, and workpiece surface metamorphic depth greatly increased and reached above 26&#xa0;μm. The machinability of the titanium alloy was greatly improved during the electric pulse-assisted cutting due to the athermal effect.</p>

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Influence of Athermal Effect of Electric Pulse on Machining Performance of TC11 Titanium Alloy

  • 期刊论文

  • 发表日期：

    2025年9月2日

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  • Jiang Zhixian,
  • Sun Fujian,
  • Li Yazhou,
  • Li Shichun,
  • Xiao Gang

摘要

Electroplastic effect of electric pulse has been used in the metal plastic deformation process and has some advantages such as low flow stress and high-quality surfaces, which provides some reference for electric pulse-assisted cutting titanium alloy, but the influence of athermal effect of the electroplastic effect on the machinability of titanium alloy is rarely seen. In this paper, the influence of athermal effect on the machinability of the TC11 titanium alloy was studied under the condition of that the workpiece surface temperature kept 25 °C. Compared with conventional cutting, cutting temperature, the frictional coefficient, chip segmentation degree, workpiece surface roughness and workpiece surface microhardness during athermal cutting were reduced by 10.17, 20.58, 41.13, 26.78, 12.25%, respectively. Workpiece surface defects were greatly eliminated, and workpiece surface metamorphic depth greatly increased and reached above 26 μm. The machinability of the titanium alloy was greatly improved during the electric pulse-assisted cutting due to the athermal effect.