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Improvement on surface properties of titanium alloy by plasma immersion ion implantation technique

  • Hongxi Liu*
  • , Baoyin Tang
  • , Langping Wang
  • , Xiaofeng Wang
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

The surface properties of Ti6A14V alloy were investigated by plasma immersion ion implantation (PIII) technique. Modification effect of hot filament gas discharge PIII was compared with that of radio-frequency (RF) glow discharge PHI. The phase composition, and microstructure of samples were characterized by X-ray diffraction (XRD), and Scanning electron microscope (SEM). The microhardness, friction and wear behavior of treated-and untreated-coupons were also measured. The results reveal that the large crystal grains (α-β phase) are changed into small ones. The superhard TiN layer is formed on the surface. The microhardness is increased by 80 percent, friction coefficient is reduced to 0.16, and wear resistance is improved significantly.

Original languageEnglish
Pages (from-to)1318-1321
Number of pages4
JournalXiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering
Volume34
Issue number8
StatePublished - Aug 2005

Keywords

  • Friction and wear behavior
  • Microhardness
  • Plasma Immersion Ion Implantation (PIII)
  • Ti6A14V alloy

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