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<p>The effects of plasma nitriding (PN) on the tribological and corrosion properties of TC6 titanium alloy were studied using X-ray diffraction, microhardness testing, scanning electron microscopy, a friction wear testing machine, and an electrochemical workstation. The results reveal that following PN treatment, a 5-μm-thick nitrided layer and diffusion layer formed on the surface of the TC6 titanium alloy. The surface hardness of the PN sample reached 1321.1 HV<sub>0.5</sub>, representing a 2.77-fold increase, while the wear scar volume decreased by approximately 99%, significantly enhancing wear resistance. Additionally, corrosion resistance showed marked improvement.</p>

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The effects of plasma nitriding on the microstructure, friction wear, and electrochemical properties of TC6 titanium alloy

  • 期刊论文

  • 发表日期：

    2025年2月10日

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  • Wenbo Sun,
  • Zeyuan Zhao,
  • Junbiao Wang,
  • Chaorun Si

摘要

The effects of plasma nitriding (PN) on the tribological and corrosion properties of TC6 titanium alloy were studied using X-ray diffraction, microhardness testing, scanning electron microscopy, a friction wear testing machine, and an electrochemical workstation. The results reveal that following PN treatment, a 5-μm-thick nitrided layer and diffusion layer formed on the surface of the TC6 titanium alloy. The surface hardness of the PN sample reached 1321.1 HV0.5, representing a 2.77-fold increase, while the wear scar volume decreased by approximately 99%, significantly enhancing wear resistance. Additionally, corrosion resistance showed marked improvement.