Effects of Al2O3 diffusion barrier layer (including Y-containing small oxide precipitates) and nanostructured YSZ top coat on the oxidation behavior of HVOF NiCoCrAlTaY/APS YSZ coatings at 1100 °C

• Main Authors: Daroonparvar, Mohammadreza, Mat Yajid, Muhamad Azizi, M. Kay, Charls, Bakhsheshi-Rad, Hamidreza, Gupta, Rajeev Kumar, Mohd. Yusof, Noordin, Ghandvar, Hamidreza, Arshad, Azrina, Mohd. Zulkifli, Intan Syaqirah
• Format: Article
• Published: Elsevier Ltd. 2018
• Subjects: TJ Mechanical engineering and machinery
• Online Access: http://eprints.utm.my/id/eprint/84428/; http://dx.doi.org/10.1016/j.corsci.2018.07.013

In this research, the effects of thin Al2O3 diffusion barrier layer (including Y-containing small oxide precipitates) and nanostructured YSZ top coat on the high temperature oxidation behavior of HVOF NiCoCrAlTaY/APS YSZ coatings were examined by using isothermal oxidation tests at 1100 °C. Nanostru...