Microstructure and Properties of Zirconia Co-Doped with Yttria and Cenosphere Coating Prepared by Air Plasma Spraying

Hui Liang Shao; Xin Ying Qi; Jing Jing Song

doi:10.4028/www.scientific.net/MSF.789.513

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HomeMaterials Science ForumMaterials Science Forum Vol. 789Microstructure and Properties of Zirconia Co-Doped...

Microstructure and Properties of Zirconia Co-Doped with Yttria and Cenosphere Coating Prepared by Air Plasma Spraying

Abstract:

Conventional yttria partially stabilized zirconia (YSZ) coating and zirconia co-doped with yttria and cenosphere (ZCYC) coating have been deposited by air plasma spraying (APS). Scanning electron microscope, energy spectrum analysis equipment were used to characterize the microstructure of the coatings. Pore structures made by cenosphere were found inside the ZCYC. It is noticed that adding 20% volume fraction of cenosphere in the YSZ poweders can reduce the density of the coating by 13.2%, compared with the conventional coating. The co-doping with yttria and cenophere improves the the corrosion resistance of the coating. The coating has good shock thermal and abrasion resistances with cenosphere.

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Periodical:

Materials Science Forum (Volume 789)

Pages:

513-517

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.789.513

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Online since:

April 2014

Authors:

Hui Liang Shao*, Xin Ying Qi, Jing Jing Song

Keywords:

Air Plasma Spraying, Cenosphere, Coating, Density

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