Fabrication and isothermal oxidation behavior of the co-deposited EB-PVD (NiAl + YSZ) coating

  • Gong Shengkai*
  • , Li Hefei
  • , A. Hesnawi
  • , Jiang Kuo
  • , Sun Lidong
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

The influence of YSZ addition on isothermal oxidation behavior of EB-PVD NiAl bond coatings on Ni based superalloy was investigated. The oxidation rate of the YSZ doped bond coat is almost the same as the bond coat without the doping of YSZ. Four different areas exist on the surface of the coating after 100 h oxidation, including the spalled area, the high Al-contained area, the high Cr&Ni-contained area and the high Ti-contained area.

Original languageEnglish
Pages (from-to)1767-1769
Number of pages3
JournalKey Engineering Materials
Volume336-338 II
StatePublished - 2007

Keywords

  • Electron beam physical vapor deposition
  • Isothermal oxidation
  • NiAl
  • Thermal barrier coatings

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