Synthesis and Tribocorrosion Performances of Multilayer (Ta/ZrN)n Coatings

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Beliardouh N. E., Ramoul C. E., Nouveau C., Kaleli E. H., Montagne A.

Thin Solid Films, cilt.0040609022001043, sa.22, ss.1-36, 2022 (SCI-Expanded)

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 0040609022001043 Sayı: 22
  • Basım Tarihi: 2022
  • Doi Numarası: 10.1016/j.tsf.2022.139184
  • Dergi Adı: Thin Solid Films
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus, Academic Search Premier, PASCAL, Aerospace Database, Applied Science & Technology Source, Chimica, Communication Abstracts, Compendex, Computer & Applied Sciences, INSPEC, Metadex, Civil Engineering Abstracts
  • Sayfa Sayıları: ss.1-36
  • Yıldız Teknik Üniversitesi Adresli: Evet

Özet

Multilayer thin coatings (~ 3 µm in thickness) were deposited using reactive radio frequency magnetron sputtering on Ti-6Al-4V substrate for biomaterial applications. Films are a combination of hard zirconium nitride with pure tantalum, used to manage interfacial stress and to avoid crack growth. Alternating hard/ductile material is a biomimetic design inspired by nature (nacre-inspired materials). Tribocorrosion tests were performed in Hank’s solution at 37 °C, under open circuit potential by using a ball-on-disc reciprocating tribometer. A tendency to high resistance against corrosion was found for all the samples. Coatings with a top 100 nm thick ZrN layer showed more noble potential as well as a reduction of both the friction coefficient and the wear rate during the sliding phase. The principal wear mechanism is related to a tribocorrosion layer formation