A study of the corrosion properties of TiN coated and nitrided Ti-6Al-4V

B. S. Yilbas*, A. Z. Sahin, Z. Ahmad, B. J. Abdul Aleem

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

61 Citations (Scopus)

Abstract

TiN PVD coating and plasma nitriding are two well-known techniques for improving tribological properties of treated samples. The study examines the corrosion resistance of plasma nitrided and TiN coated Ti-6A1-4V samples. The potentiodynamic polarization technique was used to measure the corrosion rate and corrosion resistance of the substrates. A micro PIXE technique was employed to determine the nitrided zone depth profile. SEM was carried out to investigate the pitting defects. To achieve a comparative study, TiN coated, nitrided and untreated samples were examined. It was found that TiN coating improves the corrosion properties, but nitriding worsens the corrosion resistance of the substrate.

Original languageEnglish
Pages (from-to)1627-1636
Number of pages10
JournalCorrosion Science
Volume37
Issue number10
DOIs
Publication statusPublished - Oct 1995
Externally publishedYes

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