Paper Title:
The Investigation of the Zirconium Silicate Coatings Prepared by APS
  Abstract

The zirconium silicate can be deposited as functional coatings which will be used at high temperature because of its high melting point and low thermal conductivity. It can also prevent the oxygen of the environment through the coatings and react with the substrate. In this paper, plasma spraying technology was selected to prepare the coatings of zirconium silicate. The orthogonal design method was used to optimize the parameter of plasma spraying process. The content of zirconium silicate in the coatings was checked by XRD because of the decomposition of the zirconium silicate at 1711K.The bond strength and porosity of the coatings were also measured after the optimizing of the plasma spraying parameters in this paper. According the impact on the porosity, the factors of the process can be ordered as follows: spraying distance, current, primary gases and secondary gases. And the order of spraying factors according the impact on the content of zirconium silicate in the coatings was showed as follows: spraying distance, secondary gas, primary gas and current.

  Info
Periodical
Edited by
Yafang Han, Fusheng Pan, Jianmao Tang, Chungen Zhou
Pages
678-685
DOI
10.4028/www.scientific.net/MSF.686.678
Citation
Y. B. Liu, Q. S. Wang, Z. Ma, Z. Du, J. Liu, "The Investigation of the Zirconium Silicate Coatings Prepared by APS", Materials Science Forum, Vol. 686, pp. 678-685, 2011
Online since
June 2011
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