Surface modification of a Ti-6Al-4V alloy by thermal oxidation

H. Guleryuz, H. Cimenoglu*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

203 Citations (Scopus)


In this study, the effect of thermal oxidation on the dry sliding wear resistance of a Ti-6Al-4V alloy has been examined. Oxidation has introduced hard surface layers composed of TiO2 and oxygen diffusion zone beneath it. Hardness survey conducted under a load of 10 g with a Vickers pyramid indenter revealed that surface hardness increased from 450 to 1300 HV0,01 upon oxidation at 600 °C for 60 h, which was accompanied by significant improvement in wear resistance. Thus, the dry sliding wear rate of thermally oxidised Ti-6Al-4V alloy was almost negligible when compared to the as-received condition.

Original languageEnglish
Pages (from-to)164-170
Number of pages7
JournalSurface and Coatings Technology
Issue number2-3
Publication statusPublished - 21 Mar 2005


  • Diffusion
  • Oxidation
  • Titanium alloy
  • Wear


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