Effect of powder composition upon plasma spray-physical vapor deposition of 8YSZ columnar coating

Jianan Yin; Xiao Zhang; Junli Feng; Xiaofeng Zhang; Jinbing Song; Min Liu; Dechang Zeng; Jie Mao; Chunming Deng; Changguang Deng; Ziqian Deng; Ruimin Zhao; Shunhua Li

doi:10.1016/j.ceramint.2020.03.134

Author(s)

Jianan Yin
Xiao Zhang
Junli Feng
Xiaofeng Zhang
Jinbing Song
And 8 others

Min Liu
Dechang Zeng
Jie Mao
Chunming Deng
Changguang Deng
Ziqian Deng
Ruimin Zhao
Shunhua Li

Related Research Unit(s)

Department of Mechanical Engineering

Detail(s)

Original language	English
Pages (from-to)	15867-15875
Journal / Publication	Ceramics International
Volume	46
Issue number	10, pt. B
Online published	17 Mar 2020
Publication status	Published - Jul 2020

Link(s)

DOI	DOI https://doi.org/10.1016/j.ceramint.2020.03.134 Final Published version
	Check@CityULib
Link to Scopus	https://www.scopus.com/record/display.uri?eid=2-s2.0-85081947652&origin=recordpage
Permanent Link	https://scholars.cityu.edu.hk/en/publications/publication(2d9a18fb-2469-4bcf-9faa-7a3a1a510f35).html

Abstract

Agglomerated 8YSZ nano-powders for thermal barrier coating (TBC) were prepared by spray drying method. The morphology and diameter of 8YSZ powders were adjusted through controlling the solid content of the suspensions. Using prepared agglomerated 8YSZ nano-powders, columnar-structured coatings were obtained on Ni-based superalloy substrates by plasma spray-physical vapor deposition (PS-PVD). The experimental results proved that the spray dried powders characteristics were related to the solid content of suspensions. During the PS-PVD process, the deposition efficiency of the powders was improved with the increase of powder diameter due to the existence of thermophoresis. Moreover, it can be concluded by mathematical derivations that the top area of the plasma flame was sufficient for powder evaporation.

Research Area(s)

Columnar thermal barrier coating, Nano-8YSZ, PS-PVD, Spray drying, Thermophoresis

Citation Format(s)

[ RIS ] [ BibTeX ]

Effect of powder composition upon plasma spray-physical vapor deposition of 8YSZ columnar coating. / Yin, Jianan; Zhang, Xiao; Feng, Junli et al.

In: Ceramics International, Vol. 46, No. 10, pt. B, 07.2020, p. 15867-15875.

Research output: Journal Publications and Reviews (RGC: 21, 22, 62) › 21_Publication in refereed journal › peer-review

Yin, J, Zhang, X, Feng, J, Zhang, X, Song, J, Liu, M, Zeng, D, Mao, J, Deng, C, Deng, C, Deng, Z, Zhao, R & Li, S 2020, 'Effect of powder composition upon plasma spray-physical vapor deposition of 8YSZ columnar coating', Ceramics International, vol. 46, no. 10, pt. B, pp. 15867-15875. https://doi.org/10.1016/j.ceramint.2020.03.134

Yin, J., Zhang, X., Feng, J., Zhang, X., Song, J., Liu, M., Zeng, D., Mao, J., Deng, C., Deng, C., Deng, Z., Zhao, R., & Li, S. (2020). Effect of powder composition upon plasma spray-physical vapor deposition of 8YSZ columnar coating. Ceramics International, 46(10, pt. B), 15867-15875. https://doi.org/10.1016/j.ceramint.2020.03.134

Yin J, Zhang X, Feng J, Zhang X, Song J, Liu M et al. Effect of powder composition upon plasma spray-physical vapor deposition of 8YSZ columnar coating. Ceramics International. 2020 Jul;46(10, pt. B):15867-15875. Epub 2020 Mar 17. doi: 10.1016/j.ceramint.2020.03.134

Yin, Jianan ; Zhang, Xiao ; Feng, Junli et al. / Effect of powder composition upon plasma spray-physical vapor deposition of 8YSZ columnar coating. In: Ceramics International. 2020 ; Vol. 46, No. 10, pt. B. pp. 15867-15875.