High temperature properties of the Cr-Nb-Al-N coatings with increasing Al contents

Article Portuguese OPEN
Li, W. Z. ; Polcar, T. ; Evaristo, M. ; Cavaleiro, A. (2013)
  • Publisher: Elsevier
  • Related identifiers: doi: 10.1016/j.surfcoat.2013.04.027
  • Subject: High | Cr- Nb- Al- N coatings | Thermal stability | Oxidation resistance | Mechanical properties

Cr-Nb-Al-N coatings with Al content from 0 to 12 at.% were deposited by d.c. reactive magnetron sputtering. The coatings were annealed in protective atmosphere at 800 and 900 °C for 1 h and exposed to air at 800, 900 and 1200 °C for different times. The chemical composi... View more
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