Formation of titanium interlayer by vacuum arc deposition to increase the durability of titanium nitride coatings under thermal cycling conditions

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Abstract

It is found that the formation of a titanium interlayer between a zirconium alloy doped with niobium (Zr–1% Nb) and a magnetron-sputtered titanium nitride coating by means of cathodic vacuum arc increases the adhesion strength of titanium nitride. Titanium nitride coatings have a NaCl-type cubic lattice and are mainly oriented parallel to the (100) plane. Upon thermal cycling in the temperature range of 20–800°C, the structure of the titanium interlayer transforms from α phase to β phase. Ti–TiN coatings are stable upon thermal cycling in the temperature range of 20–800°C. The deposition of a titanium interlayer does not increase the hydrogen permeability of titanium nitride.

Original languageEnglish
Pages (from-to)1277-1280
Number of pages4
JournalJournal of Surface Investigation
Volume9
Issue number6
DOIs
Publication statusPublished - 1 Nov 2015

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Keywords

  • hydrogen permeability
  • magnetron sputtering
  • rate of absorption
  • thermal cycling
  • titanium nitride
  • vacuum arc deposition

ASJC Scopus subject areas

  • Surfaces, Coatings and Films

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