Paper Title:
Hydrothermal Electrophoretic Deposition of Yttrium Silicates Coating on SiC-C/C Composites
  Abstract

Yttrium silicates coatings were deposited on SiC-C/C composites surface by a hydrothermal electrophoretic process using yttrium silicates nano-crystallites, isopropanol and siodine as source materials, solvent and charging agent, respectively. The yttrium silicates nano-crystallites were preprepared by a sonochemical process. The influence of deposition temperatures on the microstructures and crystallization of the yttrium silicates coatings were investigated. Surface and cross-section microstructures of the as-prepared multi-coatings were characterized by XRD and SEM. Results show that the coatings are composed by yttrium silicates crystallites with the main phase of Y2Si2O7 and a little Y2SiO5. The thickness and the density of the yttrium silicates coatings increases with the increase of deposition temperatures; and the coating process has little influence on the phase compositions of the coatings.

  Info
Periodical
Key Engineering Materials (Volumes 368-372)
Edited by
Wei Pan and Jianghong Gong
Pages
1291-1293
DOI
10.4028/www.scientific.net/KEM.368-372.1291
Citation
Y. T. Zhang, J. F. Huang, L. Y. Cao, F. Deng, J. P. Wu, "Hydrothermal Electrophoretic Deposition of Yttrium Silicates Coating on SiC-C/C Composites", Key Engineering Materials, Vols. 368-372, pp. 1291-1293, 2008
Online since
February 2008
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$32.00
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